Bussmann electrical full line catalog

Leadership in Circuit  
Protection

 

Introducing Bussmann by Eaton

The protection you rely on. For more, visit Bussmann.com

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

Leadership in Circuit Protection.

The only company

The Eaton advantage.

Powering business worldwide

As a global diversified power management company, we 
help customers worldwide manage the power needed for 
buildings, aircraft, trucks, cars, machinery and businesses.

Eaton’s innovative technologies help customers manage 
electrical, hydraulic and mechanical power more reliably, 
efficiently, safely and sustainably.

We provide integrated solutions that help make energy, 
in all its forms, more practical and accessible.

With 2012 sales of $16.3 billion, Eaton has approximately 
103,000 employees around the world and sells products 
in more than 175 countries. 

Eaton.com

O

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l

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 Ea

t

o

n

 ca

n

 del

i

ve

r

...

• 

 The most diverse solutions to mitigate arc flash energy to keep people and equipment safe 

• 

 The smallest and most cost effective way to meet selective coordination requirements 

• 

 The most experienced, time-tested solutions to meet national & local code requirements 

• 

 The easiest specifications with the most tested fuse/circuit breaker and circuit breaker/circuit breaker 
 series rated combinations

• 

 The only one-stop shop to solve your design challenges using our expertise and an unmatched portfolio 

that can provide a complete circuit 
protection solution for all applications.

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

3

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

Introducing Fuses Made Simple

™

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

4

Alternative Energy Vertical Market

A Complete Line of

Circuit

Protection Solutions

for the

Alternative Energy Markets

60

Ferrule

Photovoltaic

Fuses

56

PVM Midget

& PV Fuses

59

PVS-R RK5

PV Fuses

57

CUBEFuse™

PVCF & WCF

121

Square Body,

BS and UL

High Speed Fuses

63

XL Photovoltaic

Fuses and Blocks

442

Surge Protection

Solutions 

Photovoltaic and Wind

270

Safety Switches

AC & DC

274

Modular Fuse

Holders

325

Power

Distribution 

Blocks

289

Modular

Knifeblade

Fuse Blocks

266

Quik-Spec™

Coordination

Panelboard

62

NH Fuses & 

Fuse Blocks

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

5

Data Centers Vertical Market

A Complete Line of

Circuit

Protection Solutions

for

Data Centers

23

Low-Peak™

CC Fuses

380

Compact Circuit

Protectors

333

DIN-Rail Terminal

Blocks and

Connectors

125

DFJ

High Speed

Fuses

266

Quik-Spec™

Coordination

Panelboard

121

Square Body,

BS and UL

High Speed Fuses

441

Surge Protection

Solutions 

– UL, IEC and LV

28

CUBEFuse™

TCF & FCF

325

Power

Distribution 

Blocks

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

6

Oil & Gas/ Mining Vertical Market

A Complete Line of

Circuit

Protection Solutions

for

Oil & Gas / Mining

26

CUBEFuse™

TCF & FCF

46

Fusetron™ Energy

Efficient Fuses

23

Low-Peak™

Fuses

380

Compact Circuit

Protectors

327

Power

Distribution 

Blocks

99

Medium

Voltage Fuses

121

Square Body,

BS and UL

High Speed Fuses

441

Surge Protection

Solutions 

– UL, IEC and LV

274

Modular Fuse

Holders

62

NH Fuses & 

Fuse Blocks

289

Modular

Knifeblade

Fuse Blocks

125

DFJ

High Speed

Fuses

266

Quik-Spec™

Coordination

Panelboard

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

7

Circuit Protection Products for the Electrical Industry

Table of Contents

Bussmann circuit protection solutions comply with major industrial standards and agency requirements such as: BS, IEC, DIN, UL, NEMA, CSA, CE, C-UL, etc. and are manufactured at facilities that are ISO 9000 certified.

This catalog is intended to present product data and provide technical information that will help the end user with design application. Bussmann reserves the right, without notice, to change design or construction or any products
and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this catalog. Once a product has been selected, it should be
tested by the user in all possible applications. Further, Bussmann takes no responsibility for errors or omissions contained in this catalog, or for mis-application of any Bussmann product. Extensive product information is available
in the Bussmann product data sheets available on line at 

www.cooperbussmann.com/DatasheetsEle

.

©2013 Bussmann

RED 

indicates

NEW 

information

Vertical Market Product Pages  . . . . . . . . . . . . .4-6

Alternative energy  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Data centers  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Oil & gas / mining  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Peel and Stick Tabs  . . . . . . . . . . . . . . . . . . . . . .11

Selecting Circuit Protection . . . . . . . . . . . . . .12-16

2011 NEC

®

guide to fuse selection for various 

applications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-16

Low Voltage, Branch Circuit Rated Fuses  . . .17-52

Holders & blocks for branch circuit rated fuses  . . . . . . .18-20
Dimensions data for branch circuit rated fuses  . . . . . . .21-22

Class CC

LP-CC Low-Peak  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
FNQ-R CC-Tron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
KTK-R Limitron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Class CF

TCF, 

FCF & WCF CUBEFuse  . . . . . . . . . . . . . . . . . . . . .26-31

CUBEFuse finger-safe holder system  . . . . . . . . . . . . . . .32-33

Class G

SC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Class J

LPJ-_SP & LPJ-_SPI Low-Peak  . . . . . . . . . . . . . . . . . . . . .35
JKS Limitron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Class K5 & H

NON (250V) & NOS (600V) One time   . . . . . . . . . . . . . . . . .37

Class L

KRP-C_SP Low-Peak  . . . . . . . . . . . . . . . . . . . . . . . . . .38-39
KRP-CL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
KTU & KLU Limitron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Class RK1

LPN-RK_SP & LPN-RK_SPI (250V) Low-Peak  . . . . . . . .41-43
LPS-RK_SP & LPS-RK_SPI (600V) Low-Peak  . . . . . . . .41-43
KTN-R (250V) Limitron . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

KTS-R (600V) Limitron  . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Class RK5

FRN-R (250V) Fusetron (Energy Efficient)  . . . . . . . . . . . . . .46
FRS-R (600V) Fusetron (Energy Efficient)  . . . . . . . . . . . . . .47

Class T

JJN (300V) T-Tron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
JJS (600V) T-Tron  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Edison & Rejection Base Plug Fuses

Plug Fuses (S, SL, T, TL & W)  . . . . . . . . . . . . . . . . . . . .50-51
MB Edison Base Circuit Breakers  . . . . . . . . . . . . . . . . . . . .52
SA Rejection-base plug fuse adapters  . . . . . . . . . . . . . . . .52

Solar Fuse Products  . . . . . . . . . . . . . . . . . . .53-70

PVM (600Vdc)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
PVCF (600Vac/300Vdc)  . . . . . . . . . . . . . . . . . . . . . . . .57-58
PVS-R (600Vac/dc)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
PV (1000Vdc) 10x38mm  . . . . . . . . . . . . . . . . . . . . . . . . . .60
PV (1000/1100Vdc) 14x51mm  . . . . . . . . . . . . . . . . . . . . .61
NH1 (1000Vdc)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
XL PV (1000Vdc) XL Size 01, 1, 2, 3  . . . . . . . . . . . . . . .63-65
PV (1300/1500Vdc) 14x65mm  . . . . . . . . . . . . . . . . . . . . .66
XL PV (1200/1500Vdc) XL Size 01, 1, 2, 3  . . . . . . . . . .67-69

Low Voltage Supplementary Fuses  . . . . . . . .71-84

Holders & blocks for supplemental fuses  . . . . . . . . . . . .72-73
Cable (K Series) & Welder (64000/68000 Series) Limiters  . .74

13

⁄

32

" x 1 

1

⁄

2

" fast-acting fuses BAF, KTK & KLM . . . . . . . . . . .75

13

⁄

32

" x 1 

1

⁄

2

" time-delay fuses FNM & FNQ  . . . . . . . . . . . . . .76

13

⁄

32

" x 1 

3

⁄

8

" fast-acting fuses BBS  . . . . . . . . . . . . . . . . . . . .77

Pin indication fuses GBA/GLD, MIC & MIN, FNA, 

MIS & KAZ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78-79

Limiters & blocks ANL & ANN . . . . . . . . . . . . . . . . . . . . . . .79
In-line size rejecting fuses and holders GLQ, GMQ, HLQ  . . .80
In-line non-rejecting fuses and holders GLR, GMF, GRF, 

HLQ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Automotive blade fuses and holders ATM, ATC, MAX  . . .82-83
Automotive PCB fuse clips for ATM & ATC . . . . . . . . . . . . . .84

Electronic - PC Board and Small Dimension 

Fuses  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-98

5 x 15mm Ferrule fuses C515, C516, C517, C518, 

C519, C520  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

5 x 20mm European (IEC) fuses 

S500, S501, S505, S506, GDA, GDB, GDC  . . . . . . . .87-88

5 x 20mm North American (UL) fuses GMA, GMC, 

GMD-  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

1

⁄

4

" Diameter x 

5

⁄

8

" to 1" length ferrule fuses AGA, 

AGW, AGX  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

1

⁄

4

" Diameter x 1 

1

⁄

4

" length fast-acting ferrule fuses ABC, 

AGC, GBB  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

1

⁄

4

" Diameter x 1 

1

⁄

4

" length time-delay ferrule fuses MDA, 

MDL, MDQ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

PC Board mount fuse holders HTC-, HBH-, HBV-, HBW-, 

FBI, FBM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93-94

PC Board fuseclips HTC-_M, 1A_, 56_  . . . . . . . . . . . . .95-98

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

8

Circuit Protection Products for the Electrical Industry

Table of Contents

RED 

indicates

NEW 

information

Medium Voltage Fuses  . . . . . . . . . . . . . . . .99-120

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
E-Rated fuses for transformers & feeders  . . . . . . . . .101-104

E-Rated fuses: CL-14 & bolt-in  . . . . . . . . . . . . . . . . .105-107

E-Rated fuses for potential & small power 

transformers  . . . . . . . . . . . . . . . . . . . . . . . . . . . .108-110

Potential transformer fuses  . . . . . . . . . . . . . . . . . . . . . . .111
R-Rated fuses for motor circuit protection  . . . . . . . . .112-114
British Standard IEC fuses for motor circuit protection   . . .115
DIN IEC fuses for transformers  . . . . . . . . . . . . . . . . . . . . .116

Expuision Fuse Links  . . . . . . . . . . . . . . . . . . . . . . . .117-118

EEI-NEMA Type K & T, and Type H & N fuses . . . . . . . . . . .119
Fuseclips for medium voltage fuses  . . . . . . . . . . . . . . . . .120

High Speed Semiconductor Fuses  . . . . . .121-244

General Applications . . . . . . . . . . . . . . . . . . . . . . . . .122-123
North American fuses and accessories 

DFJ, FWA, FWH, FWJ, FWP, FWX, KAC, KBC,   . . . .124-141

Square body fuses and accessories 

DIN 43 620, DIN 43 653, flush-end contact, French Style, 
US Style 170E, 170F, 170H, 170M  . . . . . . . . . . . .142-213

British BS 88 fuses and accessories

CT, ET, EET, FE, FEE, FM, FMM, LCT, LET, LMMT, LMT, 
MMT, MT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214-222

Ferrule fuses and accessories 

FWA, FWC, FWH, FWJ, FWK, FWL, FWP, FWS, 
FWX  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223-244

IEC & British Standard Fuses  . . . . . . . . . .245-264

Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . .245-246
CSA Type P and Type D fuses CDN, CDS, PON  . . . . . . . . .247
HRC Form II Class C Tron

™

fuses CGL . . . . . . . . . . . . . . . .248

HRCI Industrial ceramic body fuses CIF . . . . . . . . . . . . . . .249
HRCI-J Fast-acting fuses CJ  . . . . . . . . . . . . . . . . . . . . . .250
MRCI-Miscellaneous Type K fuses CIH, CIK, CIL . . . . . . . . .251
HRC Form II Current-limiting fuses H07C, K07C, L09C, 

L14C, M09C, M14C, P09C, P11C, R11C  . . . . . . . . . . .252

BS 88 British Standard low voltage fuses AAO, AC, AD, 

BAO, BC, BD, CD, CEO, DD, DEO, ED, EF, EFS, ESD, FF, 
FG, GF, GG, GH, NITD, NSD, OSD, SSD, STD . . . . . .253-254

DIN Type D and Neozed low voltage fuses D16, D27, D33, 

D125, NZ  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255

NH HRC Fuse links & bases NHG  . . . . . . . . . . . . . . .256-259
Class gG/gL IEC 60 269 fuses C08G, C08M, C10G, C10M, 

C14G, C14M, C22G, C22M  . . . . . . . . . . . . . . . . .260-262

HRC Fuse holders CAMaster, SAFEloc . . . . . . . . . . . . . . . .263

Quik-Spec™ Electrical Gear  . . . . . . . . . . .265-272

Quik-Spec™ Coordination Panelboards . . . . . . . . . . .266-267
Quik-Spec™ Power Module™ Elevator Disconnect 

Switches & Panels PS, PMP  . . . . . . . . . . . . . . . . .268-269

Quik-Spec™ DC Safety Switches BD  . . . . . . . . . . . . . . . .270
Quik-Spec™ AC Safety Switches CF  . . . . . . . . . . . . . . . .271
HVAC Disconnects B221, B222  . . . . . . . . . . . . . . . . . . . .272

Fuse Holders and Blocks . . . . . . . . . . . . . .273-322

CH Series global modular fuse holders - Class CC, midget & metric 

CHCC, CHPV, CHM, CH08, CH14, CH22 . . . . . . . . .274-277

Remote fuse monitoring - CH-PLCCH  . . . . . . . . . . . . . . . .278
Comb-bus bar specifications and selection guide  . . . . . . .279
Comb-bus bar features and installation guide  . . . . . . . . . .280

CH Series Class J global modular fuse holders CH  . . . . . .281
Optima - fuse holder module and disconnect switch  . . . . .282
Optima fuse holder module  . . . . . . . . . . . . . . . . . . . . . . .283
Optima NG 3-pole overcurrent protection module . . . .284-285
Safety J Class J (finger-safe) fuse holder JT, JTN . . . .286-287
SAMI™ fuse covers SAMI  . . . . . . . . . . . . . . . . . . . . . . . .288

Modular Knifeblade Fuse Holders  . . . . . . . . . . . . . . .289-290

Class R, H(K), 250 & 600V  . . . . . . . . . . . . . . . . . .291-292
Class J, 600V  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .293

Class H(K) and R fuse blocks - 250V . . . . . . . . . . . . .294-295
Class H(K) and R fuse blocks - 600V . . . . . . . . . . . . .296-297
Class J fuse blocks J600, JP, JA Add-a-Pole  . . . . . . .298-299
Class T fuse blocks - 300V . . . . . . . . . . . . . . . . . . . .300-301
Class T fuse blocks - 600V . . . . . . . . . . . . . . . . . . . .302-303
Add-on fuse blocks BCA, BMA  . . . . . . . . . . . . . . . . . . . . .304
Class CC, Type M and Class G fuse blocks BC, BCCM, 

BG, BM, G  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305

Modular fuse blocks BH  . . . . . . . . . . . . . . . . . . . . . . . . . .306
Box cover units for plug fuses SCY, SKA, SOU, SOW, 

SOX, SOY, SRU, SRW, SRX, SRY, SSN, SSU, SSW, SSX, 
SSY, STY,   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .307

In-line fuse holders HFA, HFB, HHB, HHT, HM, 

HR, HRK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .308-309

Tron

™

in-line fuse holders

HEB, HEC, HEG, HEH, HEJ, HET, 

HEX, HEY, 

HEZ

 . . . . . . . . . . . . . . . . . . . . . . . . . . .309-311

Panel mounted fuse holders (including indicating) HJL, HK, 

HKP, HLD,HPC, HPD, HPF, HPG, HPM, HPS, HPS, HTB, 
HTC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312-318

Fuse blocks for 

1

⁄

4

" x 1 

1

⁄

4

" and 

1

⁄

4

" x 1" fuses  . . . . . . .319-320

Fuse blocks for 

13

⁄

32

" x 1 

1

⁄

2

" fuses  . . . . . . . . . . . . . . . . . . .321

Rail mount fuse blocks & holders  . . . . . . . . . . . . . . . . . . .322

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

9

Circuit Protection Products for the Electrical Industry

Table of Contents

RED 

indicates

NEW 

information

Power Distribution Blocks  . . . . . . . . . . . . .323-332

Power Distribution Block Selection Chart . . . . . . . . . . . . . .324
PDBFS  Series finger-safe power distribution blocks  . . . . .325
PDB Series power distribution blocks  . . . . . . . . . . . . . . . .326
163 Series power terminal blocks  . . . . . . . . . . . . . . .327-328
Series 11675 & 11725 power terminal blocks  . . . . . . . . .329
Series 160, 162, 163 & 165 power terminal blocks  . . . . .329
Series 162, 163 & 165 power stud terminal blocks . . . . . .330
Series 160, 162, 163 & 165 power splicer terminal 

blocks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .330

Series 14002 (barrier) & 14004 (dead front) terminal 

blocks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331

Connectors  . . . . . . . . . . . . . . . . . . . . . . . .333-378

DIN-Rail

Feed through blocks (DS series)  . . . . . . . . . . . . . . . . . . . .334
Feed through blocks (DP series)  . . . . . . . . . . . . . . . .335-336
Mini feed through blocks (DM series)  . . . . . . . . . . . . . . . .337
Double level blocks (DDP series) . . . . . . . . . . . . . . . . . . . .338
Disconnect blocks (DG series) . . . . . . . . . . . . . . . . . .339-340
Fuse holder blocks (F520 series) . . . . . . . . . . . . . . . .341-342
Internally jumpered blocks (DDNS series)  . . . . . . . . . . . . .343
Test blocks (DTST2 series)  . . . . . . . . . . . . . . . . . . . . . . . .343
Panel mount blocks  . . . . . . . . . . . . . . . . . . . . . . . . .344-345
Short-Circuit Current Ratings (SCCRs)  . . . . . . . . . . . .346-347
Top screw-on bridges  . . . . . . . . . . . . . . . . . . . . . . . . . . .348
End brackets  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
Partition plates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
Jumper slides  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .350
Top insertion bridges  . . . . . . . . . . . . . . . . . . . . . . . . . . . .350
Side insertion bridges . . . . . . . . . . . . . . . . . . . . . . . .351-352
Mounting rails and brackets  . . . . . . . . . . . . . . . . . . . . . . .353
Marking system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .354
Marking labels  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .355-357
Feed through blocks (NDN series)  . . . . . . . . . . . . . . .358-359
Feed through blocks (C-Rail series)  . . . . . . . . . . . . . .360-361
Depluggable blocks  . . . . . . . . . . . . . . . . . . . . . . . . .362-363
Multi-pole panel mount blocks  . . . . . . . . . . . . . . . . . . . . .364
Quick connect blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . .365

Panel Mount

Series TB100 2- to 36-Pole blocks  . . . . . . . . . . . . . .366-367
Series TB200 & TB200HB 2- to 30-Pole blocks . . . . .368-369
Series TB300 & TB345 2- to 24-Pole blocks  . . . . . . .370-371
Marking options and covers for double row series  . . . . . . .372
Top & bottom marking strips for terminal blocks  . . . . . . . .373
Series TB400 2- to 12-Pole blocks . . . . . . . . . . . . . . . . . .374
Series KU 2- to 12-Pole panel mount blocks . . . . . . . . . . .375
Series C7021 1- to 6-Pole block  . . . . . . . . . . . . . . . . . . .376
Series C7024 1- to 12-Pole block  . . . . . . . . . . . . . . . . . .377

Disconnects . . . . . . . . . . . . . . . . . . . . . . . .379-424

Compact Circuit Protector (CCP) disconnect switches

30A Class CC, Midget & 10x38 . . . . . . . . . . . . . . . . . . 380-381

30A 60A and 100A Class CF . . . . . . . . . . . . . . . . . . . . 382-383

CCPB - Compact Circuit Protector Base . . . . . . . . . . . . 384-385

UL 98 fused disconnect switches 30 to 800A

Introduction & Agency Information . . . . . . . . . . . . . . . . . . . . 386
Product Line Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
30A Compact Class CC & Class J . . . . . . . . . . . . . . . . 388-389
30A Class J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390-391
60A Compact Class J . . . . . . . . . . . . . . . . . . . . . . . . . 392-393
60A Class J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394-395
100A Class J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396-397
200A & 400A Class J . . . . . . . . . . . . . . . . . . . . . . . . . 398-400
600A Class J and 800A Class L. . . . . . . . . . . . . . . . . . 402-403

UL 98 non-fused disconnect switches 30 to 1200A

Introduction & Agency Information . . . . . . . . . . . . . . . . . . . . 404
Product Line Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
30A, 60A and 100A Compact . . . . . . . . . . . . . . . . . . . 406-407
100A, 200A and 400A Standard . . . . . . . . . . . . . . . . . 408-409
600A, 800A, 1000A and 1200A Standard . . . . . . . . . . 410-411

UL 508 non-fused disconnect switches 16 to 80A

Introduction and Agency Information . . . . . . . . . . . . . . . . . . 412
Product Line Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
16A, 25A, 40A, 63A and 80A Standard . . . . . . . . . . . . 414-416

Enclosed UL 98 & UL 508 disconnect switches

Introduction & Agency Information . . . . . . . . . . . . . . . . . . . . 417

Fused UL 98 

30A to 800A Enclosed Disconnects . . . . . . . . . . . . . . . 418-419

Non-Fused UL 98 

30 to 1200A Enclosed Disconnects . . . . . . . . . . . . . . . 420-421

Non-Fused UL 508 

16 to 80A Enclosed Disconnects . . . . . . . . . . . . . . . . . 422-423

Fused, dead front disconnect switches . . . . . . . . . . . . . . . . 424

Telecom Protection Devices  . . . . . . . . . . .425-439

Telpower compact fused disconnect switch . . . . . . . . . . . .426
Telpower miniature fused disconnect switch  . . . . . . . . . . .427
Fused disconnect switches for TPA fuses  . . . . . . . . .428-429
Fused disconnect switches for TPS fuses  . . . . . . . . . . . . .430
Fused disconnect switches  . . . . . . . . . . . . . . . . . . . .431-437
Telpower specialty fuses  . . . . . . . . . . . . . . . . . . . . . .438-439

Surge Protective Devices (SPD)  . . . . . . . .441-460

SurgePOD HEAVY DUTY SPD  . . . . . . . . . . . . . . . . . .442-445
SurgePOD PRO SPD  . . . . . . . . . . . . . . . . . . . . . . . . .446-448
UL DIN-Rail - High SCCR SPDs

1-Pole, Type 2, BSPM_S2G  . . . . . . . . . . . . . . . . . . .449-450
2-Pole, Type 2, BSPM_S3G  . . . . . . . . . . . . . . . . . . .451-452

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10

Circuit Protection Products for the Electrical Industry

Table of Contents

Catalog Sections

Page

Low Voltage, Branch Circuit Rated Fuses...17

Solar Fuse Products.....................................53

Low Voltage Supplementary Fuses .............71

Electronic - PC Board and Small

Dimension Fuses ..........................................85

Medium Voltage Fuse and Fuse Links ........99

High Speed Fuses.......................................121

IEC & British Standard Fuses ....................245

Quik-Spec

™

Electrical Gear .......................265

Fuse Holders and Blocks ...........................273

Power Distribution & Terminal Blocks ......323

Connectors .................................................333

Disconnects................................................379

Telecom Protection Devices (SPD) ............425

Surge Protective Devices...........................441

Accessories ................................................503

Services & Application Guide ....................511

Index by Part Number ................................532

RED 

indicates

NEW 

information

Surge Protective Devices (SPD) - (Continued)

3-Pole, Type 2, BSPM_WYG/DLG  . . . . . . . . . . . . . . .453-454
4-Pole, Type 2, BSPM_WYNG/HLG  . . . . . . . . . . . . . .455-456

UL DIN-Rail - Low Voltage AC/DC Power

1-Pole, Type 2, BSPM_LV  . . . . . . . . . . . . . . . . . . . . .457-458

UL DIN-Rail - Low Voltage AC/DC Control

2-Pole, Type 3, BSPH2A_LV  . . . . . . . . . . . . . . . . . . .459-460

IEC DIN-Rail - Class I

2-Pole, Class I, BSPS_TN/TT  . . . . . . . . . . . . . . . . . .461-462
3-Pole, Class I, BSPS_TNC  . . . . . . . . . . . . . . . . . . . .463-464
4-Pole, Class I, BSPS_TNS/TT  . . . . . . . . . . . . . . . . .465-466

IEC DIN-Rail - Class II

1-Pole, Class II, BSPM_TN / BSPG_NPE  . . . . . . . . . .467-468
2-Pole, Class II, BSPM_TN / BSPH_TT  . . . . . . . . . . .469-470
3-Pole, Class II, BSPM_TNC  . . . . . . . . . . . . . . . . . . .471-472
4-Pole, Class II, BSPM_TNS / BSPH_TT  . . . . . . . . . .473-474

PV DIN-Rail - Lightning Arrester

1-Pole, PV Advance Lightning Arrester / BSPS_PV  . . .475-476

PV DIN-Rail - SPDs

2-Module, PV HEAVY DUTY SPD / BSPH2_PV  . . . . . .477-478
3-Module, PV HEAVY DUTY SPD / BSPH_YPV  . . . . . .479-480
3-Module, PV PRO SPD / BSPP_YPV . . . . . . . . . . . . .481-482

Wind Power DIN-Rail - Class I

1-Pole, Class I, BSPS_WE  . . . . . . . . . . . . . . . . . . . .483-484

Wind Power DIN-Rail - Class II

1-Pole, Class II, BSPM_WE / BSPS_WE  . . . . . . . . . .485-486
2-Pole, Class II, BSPM_WE / BSPH_WE  . . . . . . . . . .487-488
3-Pole, Class II, BSPM_WE . . . . . . . . . . . . . . . . . . . .489-490
4-Pole, Class II, BSPM_WE / BSPH_WE  . . . . . . . . . .491-492

UL 4978 Data Signals SPDs  . . . . . . . . . . . . . . . . . . . .493-501
SurgePOD™ Series, 150 to 550Vac MCOV . . . . . . . . .502-503

DIN-Rail TVS Series with holder  . . . . . . . . . . . . . . . . . . . . .504

Accessories  . . . . . . . . . . . . . . . . . . . . . . . .505-512

Bussmann service kits and assortments  . . . . . . . . . .506-508
Clip clamps and rail adapters (DIN & American) . . . . . . . . .509
Spare fuse holders, 

pullers,

testers and cabinets . . . . . . . .510

Fuse reducers and dummy "neutrals" . . . . . . . . . . . . . . . .511

Services & Application Guide  . . . . . . . . . . . . . .513

Testing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .514
Custom Products  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .515

Application Guide . . . . . . . . . . . . . . . . . . . . . . . . . .516-525

Bussmann fuse technology  . . . . . . . . . . . . . . . . . . . .516-522
Motor Circuit Branch Circuit Protection  . . . . . . . . . . . . . . .523
Glossary  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .524-526

Out-of-Stock Substitutions/Upgrades  . . . . . . . . . . . . . . . .526

Commercial & industrial fuse applications . . . . . . . . . . . . .527

FUSEFinder cross reference  . . . . . . . . . . . . . . . . . . . . . . .528
FC

2

Mobile App  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .530

Index by Part Number  . . . . . . . . . . . . . . . .532-537
Low-Peak Upgrade  . . . . . . . . . . . . . .

Inside back cover

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Circuit Protection Products for the Electrical Industry

Services &

Application Guide

Services &

Application Guide

Low Voltage

Branch Circuit

Low Voltage

Branch Circuit

Low Voltage

Supplementary

Low Voltage

Supplementary

Electronic

Fuses

Electronic

Fuses

Medium Voltage

Fuses

Medium Voltage

Fuses

High Speed

Fuses

High Speed

Fuses

IEC & British

Standard Fuses

IEC & British

Standard Fuses

Quik-Spec™

Electrical Gear

Quik-Spec™

Electrical Gear

Fuse Holders

& Blocks

Fuse Holders

& Blocks

Power Distribution

& Terminal Blocks

Power Distribution

& Terminal Blocks

Connectors

Connectors

Disconnects

Disconnects

Index by

Part Number

Index by

Part Number

Telecom Protection

Devices

Telecom Protection

Devices

Surge Protection

Devices

Surge Protection

Devices

Accessories

Accessories

Solar

Products

Solar

Products

New

Product

New

Product

New

Product

New

Product

New

Product

New

Product

PEEL & STICK TABS

Mark the products that are important to you. 

Write Your Own 
Descriptions Here

11

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12

Circuit Protection Products for the Electrical Industry

Selecting Circuit Protection

The following fuse selection guides are based on the 2011
NEC

®

and provided fuse recommendations for the various

applications listed.

These are only suggestions. Final fuse selection should be
performed only by qualified personnel able to fully assess an
application’s circuit protection requirements. If you need
assistance in selecting a fuse for a particular application, call

the Cooper Bussmann Application Engineering team for
technical and application support Monday – Friday, 8:00 a.m.
– 5:00 p.m. Central Time.

Application Engineering can be reached via phone and 
e-mail:

• Toll-free phone: 855-287-7626 (855-BUSSMANN)
• E-mail: fusetech@cooperindustries.com

Fuse & Holder Recommendations

Fuse

Holder(s)

Fuse

Holder(s)

BAF

HEB

KTK-R

HEY

KTK

HEX

FNQ-R

FNM

HPC-D

LP-CC

FNQ

Mercury, Sodium, etc.

Fluorescent

All Other (Mercury,
Sodium, etc.)

Indoor

Outdoor

Consult fixture manufacturer for size and type.

Consult fixture manufacturer for size and type.

Consult fixture manufacturer for size and type.

Fuse & Holder Recommendations

Fuse

Holder(s)

Fuse

Holder(s)

GLR

HLR

GLQ

HLQ

GMF

GMQ

GRF

Ballasts

Fuse & Holder Recommendations

Fuse

Holder(s)

Fuse

Holder(s)

Fuse

Holder(s)

BAF

HPF

KTK-R

HPS-RR

SC 0-15

HPF-EE

KTK

HPS

FNQ-R

HPF-RR

HPS-EE

FNM

LP-CC

SC 20

HPF-JJ

FNQ

HPS-JJ

KTQ

HPS-L

SC 25-30 HPF-FF

BBS

HPF-L

HPS-FF

Capacitors (NEC

®

460)

Protected by

Time-Delay Fuses.

150% to 175% of Full Load Current

On Load Side of Motor Running

Overcurrent Device.

Protection recommended as shown, but not required.

Protected by

Non-Time-Delay Fuses.

250% to 300% of Full Load Current.

Fuse Recommendations

Volts

Fuse(s)

0-250

LPN-RK_SP, FRN-R

0-600

LPS-RK_SP, FRS-R
LPJ_SP, LP-CC, 
FNQ-R, TCF

Fuse Recommendations

Volts

Fuse(s)

0-250

KTN-R, NON

0-300

JJN

0-600

KTS-R, NOS
JKS, KTK-R
JJS, FCF_RN

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13

Selecting Circuit Protection

Circuit Protection Products for the Electrical Industry

Mains, Feeders, Branches (NEC

®

430)

Feeder Circuits

(600A & Less)

Fuse Recommendations

Volts

Fuse(s)

0-25O

LPN-RK_SP, FRN-R

0-600

LPS-RK_SP, FRS-R

0-600

LPJ- SP, LP-CC

Motor Loads

No Motor Load

Combination Motor
Loads and Other Loads

100% of non-continuous load plus 125% of continuous load.

150%* of the FLA of largest motor (if there are two or more
motors of same size, one is considered to be the largest) plus
the sum of all the FLA for all other motors plus 100% of non-
continuous, non-motor load plus 125% of continuous, non-
motor load.

150%* of the FLA of largest motor (if there are two or more
motors of same size, one is considered to be the largest) plus
the sum of all the FLA for all other motors.

*A max. of 175% (or the next standard size if 175% does not
correspond to a standard size) is allowed for all but wound
rotor and all dc motors.

Fuse Recommendations

Volts

Fuse(s)

0-250

LPN-RK_SP, FRN-R

0-300

JJN

0-600

LPS-RK_SP, FRS-R

0-600

JJS

0-600

LPJ_SP, LP-CC
JKS, KTK-R, LPT

Main, Branch &

Feeder Circuits

(601-6000A)

150% to 225% of full load current of largest motor plus 100%
of full load current of all other motors plus 125% of continuous
non-motor load plus 100% of non-continuous non-motor load.

Fuse Recommendation

Volts

Fuse(s)

0-600

KRP-C_SP

Electric Heat (NEC

®

424)

Electric Space Heating

Size at 125% or next size larger but in no case larger than
60 amps for each subdivided load.

Electric Boilers with

Resistance Type Immersion

Heating Elements in an ASME

Rated and Stamped Vessel

Size at 125% or next size larger but in no case larger than
150 amps for each subdivided load.

Fuse Recommendation

Volts

Fuse(s)

0-250

LPN-RK_SP
FRN-R, NON

0-300

JJN

0-480

SC 25 to SC 60

0-600

LPS-RK_SP
FRS-R, NOS

0-600

JJS

0-600

LPJ_SP, LP-CC
FNQ-R, JKS, KTK-R,
TCF, SC 

1

⁄

2

to SC 20,

FCF_RN

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14

Circuit Protection Products for the Electrical Industry

Selecting Circuit Protection

Above 600V

600V & Less

Fuse Recommendations

Volts

Fuse(s)

0-250

LPN-RK_SP, FRN-R

0-600

LPS-RK_SP, FRS-R
LPJ_SP, TCF

Fuse Recommendations

Volts

Fuse(s)

0-250

KTN-R, NON

0-300

JJN

0-600

KTS-R, NOS
JJS
LP-CC, JKS, KTK-R,
LPT, FCF_RN

Short-Circuit Only

Backup Overload w/
Motor Starter & Short-
Circuit Protection

Short-Circuit Only

Protected by Time-
Delay Fuses

Protected by Non-
Time Delay Fuses &
all Class CC Fuses

Compare the min. melting time-current characteristics of the fuses with the time-current characteristics of the overload relay
curve. The size fuse which is selected should be such that short.circuit protection is provided by the fuse and overload 
protection is provided by the controller overload relays.

Fuse Recommendations

Volts

Fuse(s)

2400

JCK, JCK-A, JCH

4800

JCL, JCL-A, JCG

7200

JCR, 7.2 WKMSJ

Motor Loads (NEC

®

430)

125% of motor FLA or next size larger.

130% of motor FLA or next size larger.

175%* of motor FLA or next size larger. (If 175% does not 
correspond to a standard size). If this will not allow motor to
start, due to higher than normal inrush currents or longer than
normal acceleration times (5 sec. or greater), fuse may be
sized up to 225% or next size smaller.

Max. of 300%* of motor FLA or next size larger (if 300% does
not correspond to a standard size). If this will not allow motor
to start due to higher than normal inrush currents or longer
than normal acceleration times (5 sec. or greater), fuses
through 600 amps may be sized up to 400% or next size
smaller.

Fuse Sized For:

*150% for wound rotor and all DC motors.

Fuse Recommendations

Volts

Fuse(s)

0-250

FRN-R

0-600

FRS-R

Fuse Recommendations

Volts

Fuse(s)

0-250

LPN-RK_SP

0-600

LPS-RK_SP

Solenoids (Coils)

Branch Circuit

Fuses

Size at 125% or next size smaller.

Fuse Recommendation

Volts

Fuse(s)

0-250

Best: LPN-RK_SP
FRN-R

0-600

LPS-RK_SP
FRS-R

0-600

LPJ_SP, LP-CC
FNQ-R, TCF

Supplementary

Fuses

Size at 125% or next size larger.

Fuse Recommendation

Volts

Fuse(s)

0-32

MDL 9-30A,
FNM 20-30A

0-125

MDA 25-30A,
FNM 12-15A

0-250

MDL 

1

⁄

16

-8A,

MDA 

2

⁄

10

-20A,

FNM 

1

⁄

10

-10A,

MDQ 

1

⁄

100

-7A

0-500

FNQ 

1

⁄

10

-30A

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15

Selecting Circuit Protection

Circuit Protection Products for the Electrical Industry

Primary

Protection

Only

*When 125% of FLA corresponds to
a standard rating, the next larger size
is not permitted.

Primary and

Secondary
Protection

Optimum Protection

125% or next size larger

125% or next size larger

125% or next size larger

Max. of 125% or next larger*

NEC

®

Maximums

Max. 300% or next size smaller (See
NEC

®

430.72(C) for control circuit

transformer maximum of 500%

Max. 167% or next size smaller

Maximum Fuse Size

% of Primary FLA

(or next FLA size smaller)

A = 250%
B = 250%
C = 600%
D = 600%
E = 400%
F = 400%

% of Secondary FLA

A = 167% or next size smaller
B = 125% or next size larger*
C = 167% or next size smaller
D = 125% or next size larger*
E = 167% or next size smaller
F = 125% or next size larger*

Rated secondary current 9
amps or greater

Rated secondary current
less than 9 amps

Transformer
Impedance of 6%
or Less

Rated secondary current 9
amps or greater

Rated secondary current
less than 9 amps

Transformer
Impedance of
More Than 6%
But Less Than
10%

Rated secondary current
less than 9 amps

Rated secondary current 9
amps or greater

Without Thermal
Overload
Protection

With Thermal
Overload
Protection

Note: Components on the secondary still
need overcurrent protection

Rated primary current less
than 2 amps

Rated primary current
greater than or equal to 9
amps

Rated primary current
greater than or equal to 2
amps but less than 9 amps

Transformers 600V Nominal or Less (NEC

®

450.3)

Fuse Recommendations

Volts

Fuse(s)

250V

LPN-RK_SP, FRN-R

600V

KRP-C_SP, LPJ_SP, LPS-RK_SP, FNQ-R, FRS-R, TCF

A

A

B

C

D

E

F

B

C

D

E

F

Primary and secondary
fuses at 125% of prima-
ry and secondary FLA or
next size larger

Maximum Fuse Size

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16

Circuit Protection Products for the Electrical Industry

For product Data Sheets, visit www.cooperbussmann.com/DatasheetsEle

Selecting Circuit Protection

Solid State Devices (Diodes, SCRs, Triacs, Transistors)

Short-Circuit

Protection

Only

“F,” “S,” “K,” & 170M Series fuses sized up to several sizes
larger than full load RMS or DC rating of device.

Fuse Recommendations

Volts

Fuse(s)

0-130

FWA

0-250

FWX

0-500

FWH

0-600

FWC, KAC, KBC

0-700

FWP, 170M Series, 
SPP

0-1000

FWJ, 170M Series, 
SPJ

Supervised

Installations

Unsupervised
Installations

Transformers Over 600V Nominal (NEC

®

450.3)

Fuse Recommendations

Volts

Fuse(s)

250V

LPN-RK_SP, FRN-R

600V

LPS-RK_SP, LPJ-_SP,
KRP-C_SP, FRS-R, FNQ-R,
TCF

2475V

JCD

2750V

JCX

2750/5500V

JCW

5500V

MV05, 5.5 ABWNA, 
5.5 AMWNA, 5.5 FFN

7200V

7.2 AMWNA, 7.2 TDLSJ, 
7.2 TFLSJ

8300V

JCZ, JDZ, 8.25 FFN

15500V

MV155, 15.5 CAVH

17500V

17.5 CAV, 17.5 TDM

24000V

24 TDM, 24 TFM, 24 FFM

36000V

36 CAV, 36 TDQ, 36 TFQ

38000V

38 CAV

Note: Components on the secondary still need
overcurrent protection

Primary at code max. of 250% or
next standard size if 250% does not 
correspond to a standard rating

Primary
Protection
Only

Transformer
Impedance Less
Than or Equal to 6%

Primary
at code
max. of
300%

Secondary
Over 600V

Secondary at
code max. of
250%

Secondary at
code max. of
250%

Secondary at
code max. of
225%

Secondary
Over 600V

Primary
at code
max

.

of

300%

Secondary at
code max. of
250%

Secondary
Over 600V

Primary at code max. of
300% or next standard size
if 300% does not corre-
spond to a standard rating

Transformer
Impedance Less
Than or Equal to 6%

Primary at code max. of
300% or next standard size
if 300% does not corre-
spond to a standard rating

Secondary
Over 600V

Secondary at code max. of
125% or next standard size
if 125% does not corre-
spond to a standard rating

Secondary at code max. of
225% or next standard size
if 225% does not corre-
spond to a standard rating

Secondary at code max. of
125% or next standard size
if 125% does not corre-
spond to a standard rating

Secondary at code max. of
250% or next standard size
if 250% does not corre-
spond to a standard rating

Transformer
Impedance Greater
Than 6% But Less
Than 10%

Secondary
600V or
Below

Secondary
600V or
Below

Primary
and
Secondary
Protection

Transformer
Impedance Greater
Than 6% But Less
Than 10%

Secondary
600V or
Below

Secondary
600V or
Below

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17

Lo
w V

oltage

Branch Circuit

Fuses

Page

Fuse Holder & Block Selection Guide       18-20
Class Fuse Dimensions

21-22

Fuses By Fuse Class

Class

Fuses

Volts

CC . . . . . .

LP-CC  . . . . . . . . . . . . . . . 600V . . . . .

23

FNQ-R . . . . . . . . . . . . . . . 600V . . . . .

24

KTK-R . . . . . . . . . . . . . . .  600V . . . . .

25

CF . . . . . . .

TCF* . . . . . . . .  . . . . . . . . 600V . . . . . 26-27

FCF. . . . . . . . . . . . . . . . . .  600V . . . . . 28-29
WCF. . . . . . . . . . . . . . . . .  600V . . . . . 30-31

*Class J performance

CF . . . . . . .

Holder System . . . . . . . . . 600V . . . . . 32-33

G . . . . . . .

SC . . . . . . . . . . . . . . . . . . 600/480V . .

34

J . . . . . . .

LPJ-_SP . . . . . . . . . . . .    600V . . . . .

35

LPJ-_SPI Indicator . . . . .   600V . . . . .

35

JKS . . . . . . . . . . . . . . . . . 600V . . . . .

36

K5 & H . . .

NON . . . . . . . . . . . . . . . . 250V . . . . .

37

NOS  . . . . . . . . . . . . . . . .  600V . . . . .

37

L . . . . . . .

KRP-C_SP . . . . . . . . . . . . 600V . . . . . 38-39
KRP-CL . . . . . . . . . . . . . . 600V . . . . .

39

KLU . . . . . . . . . . . . . . . . . 600V . . . . .

40

KTU . . . . . . . . . . . . . . . . . 600V . . . . .

40

RK1 . . . . .

LPN-RK_SP . . . . . . . . . . . 250V . . . . . 41-43
LPN-RK_SPI Indicator . . . 250V . . . . . 41-43
LPS-RK_SP . . . . . . . . . . . 600V . . . . . 41-43
LPS-RK_SPI Indicator . . .  600V . . . . . 41-43
KTN-R . . . . . . . . . . . . . . . 250V . . . . .

44

KTS-R . . . . . . . . . . . . . . . 600V . . . . .

45

RK5 . . . . .

FRN-R (Energy Efficient). . . 250V . . . . .

46

FRN-R_ID (Energy Efficient).600V . . . . .

46

FRS-R (Energy Efficient). . . 600V . . . . .

47

FRS-R_ID (Energy Efficient).600V . . . . .

47

T . . . . . . .

JJN . . . . . . . . . . . . . . . . . 300V . . . . .

48

JJS . . . . . . . . . . . . . . . . . 600V . . . . .

49

Plug Fuses

W, SL, TL, S, 

T, P, TC Series & MB
Edison Base Circuit
Breakers, SA . . . . . . . . . 125V . . . . . 50-52

Low Voltage, Branch
Circuit Rated Fuses

RED 

indicates

NEW 

information

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18

Low Voltage, Branch Circuit Rated Fuses

Holders & Blocks For Branch Circuit Rated Fuses

Class

Fuses

Volts

Page

CC

LP-CC

600V . . . . . . . . . . . . . . . . . . . . 23

FNQ-R

600V . . . . . . . . . . . . . . . . . . . . 24

KTK-R

600V . . . . . . . . . . . . . . . . . . . . 25

Holders

• OPM-NG-SC3 3-pole, panel/DIN rail mount . . . . . . . . . . . . 284
• OPM-1038R 3-pole, panel/DIN rail mount . . . . . . . . . . . . . 283
• OPM-1038RSW 3-pole w/ switch, panel/DIN rail mount  . . 282

• CHCC_D 1 to 3-pole, DIN rail mount . . . . . . . . . . . . . . . . . 274

• HPF-RR, front panel mount . . . . . . . . . . . . . . . . . . . . . . .  317
• HPS-RR, front panel mount . . . . . . . . . . . . . . . . . . . . . . . 317

Blocks

• BC Series, panel mount . . . . . . . . . . . . . . . . . . . . . . . . . .  305

Class

Fuses

Volts

Page

G

SC

600/480V . . . . . . . . . . . . . . . . . 34

Holders

• HP Series front panel accessible, front panel mount . . . . . 317

Blocks

• BG Series, panel/DIN rail with adapters . . . . . . . . . . . . . . 305
• G Series, panel/DIN rail with adapters . . . . . . . . . . . . . . .  305

Class

Fuses

Volts

Page

K5 & H

NON

250V . . . . . . . . . . . . . . . . . . . . 37

NOS

600V . . . . . . . . . . . . . . . . . . . . 37

Blocks

• Modular Knifeblade Fuse Blocks 250/600V, panel mount . . 289

• Modular Type Fuse Blocks 250/600V, panel mount . . . . . . 306
• H250 Series 1 to 3-pole 250V, panel mount . . . . . . . . . . . .294
• H600 Series 1 to 3-pole 600V, panel mount  . . . . . . . . . . . 296

OPM-NG-SC3

CHCC_D

HPF-RR

HPS-RR

BC Series

HP Series

BG & G Series

Modular Knifeblade

Modular Type

H250 Series

H600 Series

OPM-1038R & 

OPM-1038RSW

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19

Lo
w V

oltage

Branch Circuit

Fuses

Holders & Blocks For Branch Circuit Rated Fuses

Class

Fuses

Volts

Page

RK1

LPN-RK_SP

250V . . . . . . . . . . . . . . . . . . . . .41

LPS-RK_SP

600V . . . . . . . . . . . . . . . . . . . . .41

KTN-R

250V . . . . . . . . . . . . . . . . . . . . 44

Blocks

• Modular Knifeblade Fuse Blocks 250/600V, panel mount . . .289

• R250 Series 1- to 3-pole 250V, panel mount . . . . . . . . . . . .294
• R600 Series 1- to 3-pole 600V, panel mount . . . . . . . . . . . .296

Class

Fuses

Volts

Page

RK5

FRN-R

250V . . . . . . . . . . . . . . . . . . . . 46

Blocks

• Modular Knifeblade Fuse Blocks 250/600V, panel mount . . . 289

• R250 Series 1-  to 3-pole 250V, panel mount . . . . . . . . . . . .294
• R600 Series 1-  to 3-pole 600V, panel mount . . . . . . . . . . . .296

51215

51235

R250 Series

R250 Series

R600 Series

R600 Series

BH Series

T600 Series

T300 Series

Class

Fuses

Volts

Page

L

KRP-C_SP

600V . . . . . . . . . . . . . . . . . . . . 38

KRP-CL

600V . . . . . . . . . . . . . . . . . . . . 39

KLU

600V . . . . . . . . . . . . . . . . . . . . 40

KTU

600V . . . . . . . . . . . . . . . . . . . . 40

Blocks

• 51215 1-pole, panel mount*
• 51235 3-pole, panel mount*

*Call our customer satisfaction team at 636-527-3877 for more information.

Class

Fuses

Volts

Page

T

JJN

300V . . . . . . . . . . . . . . . . . . . .  48

JJS

600V . . . . . . . . . . . . . . . . . . . . 49

Blocks

• BH Series modular-style, panel mount (<60A) . . . . . . . . . . 306
• T300 Series 1 to 4-pole 300V, panel mount . . . . . . . . . . . .300
• T600 Series 1 to 3-pole 600V, panel mount . . . . . . . . . . . .302

Modular Knifeblade

Modular Knifeblade

Low Voltage, Branch Circuit Rated Fuses

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20

Low Voltage, Branch Circuit Rated Fuses

Class

Fuses

Volts

Page

Plug Fuses

W, SL*, TL, S*,
T, P and TC
Series

125V . . . . . . . . . . . . . . . . . . 50-52

Box Cover Units

• Standard electrical box mounting . . . . . . . . . . . . . . . . . . .  307

*Use of SL & S rejection fuses requires SA adapters, see page 52

Fuse Only

With Grounded

Outlet

With Switch

Class

Fuses

Volts

Page

J, CF

TCF*, 

FCF, WCF

600V  . . . . . . . . . . . . . . . . 31

LPJ-SP

600V  . . . . . . . . . . . . . . . . 35

JKS

600V  . . . . . . . . . . . . . . . . 36

*Class J performance

Holders

• TCFH CUBEFuse holder, panel/DIN-Rail mount . . . . . . .  32-33
• CH Series Class J modular 1- to 3-pole, panel/

DIN rail mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

• Safety J™ Series modular holders,   

panel/DIN rail mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286

Blocks

• Modular Knifeblade Fuse Blocks 250/600V, panel mount . . 289

• Modular Type Fuse Blocks 600V, panel mount . . . . . . . . . .306
• J600 Series, panel mount . . . . . . . . . . . . . . . . . . . . . . . . . 298
• JP Series pyramid blocks, panel mount . . . . . . . . . . . . . . . 299
• BH Series modular-style open blocks, panel mount . . . . .  306

TCFH

CH Series

J600 Series

JP Series

BH Series

Safety J™ Series

Modular Type

Holders & Blocks For Branch Circuit Rated Fuses

Equipment

Desired Fuse

Catalog No.

Fuse Clip Amps

(Case) Amp Size

(Pairs) 250V

60

30

NO.263-R

100

30

NO.213-R

60

NO.216-R

200

60

NO.226-R

100

NO.2621-R

400

100

NO.2641-R

200

NO.242-R

600

100

NO.2661-R

200

NO.2662-R

400

NO.2664-R*

*Single reducer only (pair not required).

Equipment

Desired Fuse

Catalog No.

Fuse Clip Amps

(Case) Amp Size

(Pairs) 600V

60

30

NO.663-R

100

30

NO.216-R

60

NO.616-R

200

60

NO.626-R

100

NO.2621-R

400

100

NO.2641-R

200

NO.642-R

600

100

NO.2661-R

200

NO.2662-R

400

NO.2664-R*

*Single reducer only (pair not required).

Fuse Reducers For Class R Fuses 250V

Fuse Reducers For Class R Fuses 600V

Modular

Knifeblade

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21

Lo
w V

oltage

Branch Circuit

Fuses

Class J Dimensions - in (mm)

Low-Peak and Limitron Fuses
LPJ & JKS — 600V

Amp Range

A

B

C

D

E

F

G

H

I

1-30

2.25 (57.2)

0.81 (20.6)

—

—

0.50 (12.7)

—

—

—

—

35-60

2.38 (60.3)

1.06 (27.0)

—

—

0.63 (15.9)

—

—

—

—

65-100

4.63 (117.5)

1.13 (28.6)

3.63 (92.1)

2.63 (66.7)

1.00 (25.4)

0.75 (28.6)

0.13 (3.2)

0.41 (10.4)

0.28 (7.1)

110-200

5.75 (146.1)

1.63 (41.4)

4.38 (111.1)

3.00 (76.2)

1.38 (34.9)

1.13 (28.6)

0.19 (4.8)

0.38 (9.5)

0.28 (7.1)

225-400

7.12 (181.0)

2.11 (53.6)

5.25 (133.3)

3.26 (82.8)

1.87 (47.6)

1.62 (41.2)

0.25 (6.4)

0.56 (14.2)

0.40 (10.3)

450-600

8.00 (203.2)

2.60 (66.0)

6.00 (152.4)

3.31 (84.0)

2.12 (54.0)

2.00 (50.8)

0.53 (13.5)

0.72 (18.3)

0.53 (13.5)

21

Branch Circuit Rated Fuse Dimensions

Class RK1 & RK5 Dimensions - in (mm)

Basic dimensions are same as Class H (formerly NEC) One-Time (NON & NOS) and Superlag Renewable RES & REN fuses.
NOTE: These fuses can be used to replace existing Class H, RK1 and RK5 fuses relating to dimensional compatibility.

Ferrule Styles

Amp

250V

600V

Range

A

B

A

B

1

⁄

10

-30

2 (50.8)

0.56 (14.3)

5.0 (127.0)

0.81 (20.6)

35-60

3 (76.2)

0.81 (20.6)

5.5 (139.7)

1.06 (27.0)

Fusetron — (FRN-R & FRS-R)& Limitron — (KTN-R & KTS-R)

Amp

250V

600V

Range

A

B

A

B

70-100

5.88 (149.2)

1.06 (26.9)

7.88 (200.0)

1.34 (34.0)

110-200

7.13 (181.0)

1.56 (39.6)

9.63 (244.5)

1.84 (46.7)

225-400

8.63 (219.1)

2.38 (60.5)

11.63 (295.3)

2.59 (65.8)

450-600

10.38 (263.5)

2.88 (73.2)

13.38 (339.7)

3.13 (79.5)

Low-Peak — (LPN-RK & LPS-RK)

Amp

250V

600V

Range

A

B

A

B

70-100

5.88 (149.2)

1.16 (29.5)

7.88 (200.0)

1.16 (29.5)

110-200

7.13 (181.0)

1.66 (42.2)

9.63 (244.5)

1.66 (42.2)

225-400

8.63 (219.1)

2.38 (60.5)

11.63 (295.3)

2.38 (60.5)

450-600

10.38 (263.5)

2.88 (73.2)

13.38 (339.7)

2.88 (73.2)

A

B

A

B

A

B

A

B

B

A

C
D

E

F

G

E

H

I

1A to 60A

65A to 600A

1.5" (

±

0.031)

(38.1mm)

0.41" (

±

0.005)

(10.3mm)

Class CC Dimensions - in (mm)

Low Voltage, Branch Circuit Rated Fuses

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22

Low Voltage, Branch Circuit Rated Fuses

22

Branch Circuit Rated Fuse Dimensions

Class T Dimensions - in (mm)

T-Tron Fuses

JJN — 300V

Amp Range

A

B

C

D

1-30

0.88 (22.2)

0.41 (10.3)

—

—

35-60

0.88 (22.2)

0.56 (14.3)

—

—

70-100

2.16 (54.8)

0.75 (19.1)

1.56 (39.7)

0.84 (21.4)

110-200

2.44 (61.9)

0.88 (22.2)

1.69 (42.9)

0.84( 21.4)

225-400

2.75 (69.9)

1.00 (25.4)

1.84 (46.8)

0.86 (21.8)

450-600

3.06 (77.8)

1.25 (31.8)

2.03 (51.6)

0.88 (22.2)

601-800

3.38 (85.7)

1.75 (44.5)

2.22 (56.4)

0.89 (22.6)

801-1200

4.00 (101.6)

2.00 (50.8)

2.53 (64.3)

1.08 (27.4)

JJS — 600V

Amp Range

A

B

C

D

1-30

1.50 (14.3)

0.56 (38.1)

—

—

35-60

1.56 (20.6)

0.81 (39.7)

—

—

70-100

2.95 (19.1)

0.75 (75.0)

2..36 (59.9)

1.64 (41.7)

110-200

3.25 (22.2)

0.88 (82.6)

2.50 (63.5)

1.66 (42.1)

225-400

3.63 (25.4)

1.00 (92.1)

2.72 (69.1)

1.73 (44.1)

450-600

3.98 (31.8)

1.25 (101.2)

2.96 (75.0)

1.78 (45.2) 

601-800

4.33 (44.5)

1.75 (109.9)

3.17 (80.6)

1.88 (47.6)

A

A

B

F

G

D

C1

C2

J1

J1

J2

J2

J3

J3

J4

J4

All Slots and Holes

I

801A

to

2000A

601A

to

800A

2001A

to

3000A

3500A

to

4000A

4500A

to

6000A

Class L Dimensions - in (mm)

Low-Peak and Limitron Fuses

Amp
Range

A

B

C1

C2

D

F

G

I

J1

J2

J3

J4

601-800

8.63 (219.1)

2.40 (61.0)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

2.00 (50.8)

0.38 (9.5)

0.63 (15.9)

—

—

—

—

801-1200

10.75 (273.1)

2.40 (61.0)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

2.00 (50.8)

0.38 (9.5)

0.63 (15.9)

—

—

—

—

1350-1600

10.75 (273.1)

3.00 (76.2)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

2.38 (60.3)

0.44 (11.1)

0.63 (15.9)

—

—

—

—

1800-2000

10.75 (273.1)

3.50 (88.9)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

2.75 (69.9)

0.50 (12.7)

0.63 (15.9)

—

—

—

—

2001-2500

10.75 (273.1)

4.80 (122.0)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

3.50 (88.9)

0.75 (19.1)

0.63 (15.9)

1.75 (44.5)

1.38 (34.9)

0.88 (22.2)

0.81 (20.6)

3000

10.75 (273.1)

5.00 (127.0)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

4.00 (101.6)

0.75 (19.1)

0.63 (15.9)

1.75 (44.5)

1.38 (34.9)

0.88 (22.2)

0.81 (20.6)

3500-4000

10.75 (273.1)

5.75 (146.1)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

4.75 (120.7)

0.75 (19.1)

0.63 (15.9)

1.75 (44.5)

1.38 (34.9)

1.63 (41.3)

0.88 (22.2)

4500-5000

10.75 (273.1)

6.25 (158.8)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

5.25 (133.4)

1.00 (25.4)

0.63 (15.9)

1.75 (44.5)

1.38 (34.9)

1.63 (41.3)

0.88 (22.2)

6000

10.75 (273.1)

7.13 (181.0)

6.75 (171.5)

5.75 (146.1)

3.75 (95.3)

5.75 (146.1)

1.00 (25.4)

0.63 (15.9)

1.75 (44.5)

1.38 (34.9)

1.63 (41.3)

0.88 (22.2)

NOTE: KRP-CL (150A to 600A) fuses have same
dimensions as 601-800A case size. KTU (200-600A)
have same dimensions, except tube 3” length x 2”
diameter (76.2 x 50.8mm); terminal 1

5

⁄

8

” width x 1

1

⁄

4

”

thick (41.3 x 31.8mm).

JJN 70A to 1200A

JJS 70A to 800A

JJS 35A to 60A

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23

Lo
w V

oltage

Branch Circuit

Fuses

23

LP-CC Class CC

Specifications
Description:

Time-delay, current-limiting,

rejection-type fuse – 12 seconds (minimum)
at 200% rated amps.

Dimensions:

13

⁄

32

˝ x 1 

1

⁄

2

˝ (10.3 x 38.1mm).

Ratings:

Volts — 600Vac (or less)

— 300Vdc (

1

⁄

2

-2

1

⁄

2

A & 20-30A)

— 150Vdc (2

8

⁄

10

-15A)

Amps — 

1

⁄

2

-30A

IR — 200kA RMS Sym.

— 20kA DC

Agency Information:

CE,

Std. 248-4, Class CC, UL Listed,

Guide JDDZ, File E4273, CSA Certified; Class 1422-02, 

File 53787.

Features and Benefits

• Time-delay coupled with Class CC current-limiting response

provides close sizing on small motor and relay circuits, and
maximum component short-circuit current rating protection.

• 200kA interrupting rating provides high ratings for control 

circuit locations.

• Class CC rejection feature, with appropriate fuse block,

prevents inserting lesser-rated supplementary fuses.

• Inventory consolidation of 

13

⁄

32

x 1 

1

⁄

2

inch supplementary

fuses reduces SKU investment and minimizes potential for
misapplying fuse.

• Selective coordination ratio of 2:1 (within Low-Peak fuse

family) prevents electrical shutdowns from extending
beyond the failed circuit.

Typical Applications

• Specialized Circuits
• Industrial Control
• Isolated, In-Line Fuse Holder

Catalog Numbers (Amps)

LP-CC-

1

⁄

2

LP-CC-2-

1

⁄

2

LP-CC-7 

1

⁄

2

LP-CC-

6

⁄

10

LP-CC-2-

8

⁄

10

LP-CC-8

LP-CC-

8

⁄

10

LP-CC-3

LP-CC-9

LP-CC-1

LP-CC-3-

2

⁄

10

LP-CC-10

LP-CC-1-

1

⁄

8

LP-CC-3-

1

⁄

2

LP-CC-12

LP-CC-1-

1

⁄

4

LP-CC-4

LP-CC-15

LP-CC-1-

4

⁄

10

LP-CC-4-

1

⁄

2

LP-CC-20

LP-CC-1-

1

⁄

2

LP-CC-5

LP-CC-25

LP-CC-1-

6

⁄

10

LP-CC-5-

6

⁄

10

LP-CC-30

LP-CC-1-

8

⁄

10

LP-CC-6

LP-CC-2

LP-CC-6-

1

⁄

4

LP-CC-2-

1

⁄

4

LP-CC-7

Low-Peak

™

Time-delay, Rejection-Type Fuses

200

100

10

TIME IN SECONDS

1

.1

.01

⁄

/

™

fl

/

¡º

°

/

¡º

1

1⁄

/

¢

3

3⁄

/

™

4

4⁄

/

™

6 8

10

12

15

20

25

30

AMP
RATING

.4

1

10

100

1000

CURRENT IN AMPS

Time Current Characteristics—Average Melt

Data Sheet: 1023

Recommended Fuse Holders & Blocks For Class CC Fuses

• See page 18

Current Limitation Curves

Low Voltage, Branch Circuit Rated Fuses

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24

Low Voltage, Branch Circuit Rated Fuses

24

CC-Tron Rejection-type Fuses

Data Sheet: 1014

Specifications
Description:

Time-delay, branch circuit,

rejection-type fuse.

Dimensions:

13

⁄

32

˝ x 1 

1

⁄

2

˝ (10.3 x 38.1mm).

Ratings:

Volts — 600Vac (or less)

— 300Vdc (15-20A)

— 32Vdc (Self Certified)

Amps — 

1

⁄

4

-30A

IR — 200kA RMS Sym.

— 20kA DC (15 & 20A only)

Agency Information:

CE, Std. 248-4, Class CC, UL

Listed, Guide JDDZ, File E4273 CSA Certified,
Class 1422-01, File 53787.

Features and Benefits

• Time-delay compatible with inrush characteristic of small

control transformers.

• Current limitation at Class CC levels provides maximum

component short-circuit current rating protection.

• 200kA interrupting rating provides high ratings for control 

circuit locations.

• Class CC rejection feature, with appropriate fuse block,

prevents inserting lesser-rated supplementary fuses.

Typical Applications

• Line Protection, Small Control Transformers
• Industrial Control
• Isolated, In-Line Fuse Holders

Catalog Numbers (Amps)

FNQ-R-

1

⁄

4

FNQ-R-1-

6

⁄

10

FNQ-R-6

FNQ-R-

3

⁄

10

FNQ-R-1-

8

⁄

10

FNQ-R-6-

1

⁄

4

FNQ-R-

4

⁄

10

FNQ-R-2

FNQ-R-7

FNQ-R-

1

⁄

2

FNQ-R-2-

1

⁄

4

FNQ-R-7-

1

⁄

2

FNQ-R-

6

⁄

10

FNQ-R-2-

1

⁄

2

FNQ-R-8

FNQ-R-

3

⁄

4

FNQ-R-2-

8

⁄

10

FNQ-R-9

FNQ-R-

8

⁄

10

FQN-R-3

FNQ-R-10

FNQ-R-1

FNQ-R-3-

2

⁄

10

FNQ-R-12

FNQ-R-1-

1

⁄

8

FNQ-R-3-

1

⁄

2

FNQ-R-15

FNQ-R-1-

1

⁄

4

FNQ-R-4

FNQ-R-17-

1

⁄

2

FNQ-R-1-

3

⁄

10

FNQ-R-4-

1

⁄

2

FNQ-R-20

FNQ-R-1-

4

⁄

10

FNQ-R-5

FNQ-R-25

FNQ-R-1-

1

⁄

2

FNQ-R-5-

6

⁄

10

FNQ-R-30

AMP
RATING

100

10

1

0.01

0.08

1

10

100

200

CURRENT IN AMPS

300

400

500

TIME IN SECONDS

FNQ-R-1/2

FNQ-R-1

FNQ-R-3

FNQ-R-5

FNQ-R-7-1/2

0.01

Time-Current Characteristic Curves—Average Melt

FNQ-R Class CC

For superior electrical protection, Bussmann recommends upgrading FNQ-R
fuse applications to Low-Peak LP-CC fuses See page 17.

Recommended Fuse Holders & Blocks For Class CC

600V Fuses

• See page 18

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25

Lo
w V

oltage

Branch Circuit

Fuses

25

Limitron

™

Rejection-type Fuses

Data Sheet: 1015

Specifications
Description:

Fast-acting, branch circuit,

rejection-type fuse.

Dimensions:

13

⁄

32

˝ x 1 

1

⁄

2

˝ (10.3 x 38.1mm).

Ratings:

Volts — 600Vac (or less)

Amps — 

1

⁄

10

-30A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-4,

Class CC, UL Listed, Guide JDDZ, File
E4273 CSA Certified, File 53787, Class 1422-02.

Features and Benefits

• Current limitation at Class CC levels provides maximum

component short-circuit current protection.

• 200kA interrupting rating provides high ratings for control 

circuit locations.

• Class CC rejection feature, with appropriate fuse block,

prevents inserting lesser-rated supplementary fuses.

Typical Applications

• Specialized Circuits
• Industrial Control
• Isolated, In-Line Fuse Holders (street lighting)

Catalog Numbers (Amps)

KTK-R-

1

⁄

10

KTK-R-1

KTK-R-7

KTK-R-

1

⁄

8

KTK-R-1-

1

⁄

2

KTK-R-8

KTK-R-

2

⁄

10

KTK-R-2

KTK-R-9

KTK-R-

1

⁄

4

KTK-R-2-

1

⁄

2

KTK-R-10

KTK-R-

3

⁄

10

KTK-R-3

KTK-R-12

KTK-R-

4

⁄

10

KTK-R-3-

1

⁄

2

KTK-R-15

KTK-R-

1

⁄

2

KTK-R-4

KTK-R-20

KTK-R-

6

⁄

10

KTK-R-5

KTK-R-25

KTK-R-

3

⁄

4

KTK-R-6

KTK-R-30

Time-Current Characteristic Curves—Average Melt

KTK-R Class CC

For superior electrical protection, Bussmann recommends upgrading KTK-R
fuse applications to Low-Peak LP-CC fuses See page 23.

Recommended Fuse Holders & Blocks For Class CC Fuses

• See page 18

Low Voltage, Branch Circuit Rated Fuses

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26

Low Voltage, Branch Circuit Rated Fuses

26

Time-Delay Low-Peak CUBEFuse

™

Finger-safe Fuse and Fuse

Holder System

Data Sheet: 9000 (fuses) and 9007 (holders)     

Fuse Catalog Numbers Indicating (Amps)

TCF6

TCF25

TCF50

TCF100

TCF10

TCF30

TCF60

TCF15

TCF35

TCF70

TCF17-

1

⁄

2

TCF40

TCF80

TCF20

TCF45

TCF90

Fuse Catalog Numbers Non-Indicating (Amps)

TCF1RN

TCF17-

1

⁄

2

RN

TCF40RN

TCF80RN

TCF3RN

TCF20RN

TCF45RN

TCF90RN

TCF6RN

TCF25RN

TCF50RN

TCF100RN

TCF10RN

TCF30RN

TCF60RN

TCF15RN

TCF35RN

TCF70RN

TCF Class CF

Specifications
Description:

Finger-safe fuse and fuse holder system; 

dual-element, time-delay fuse; 10 seconds  minimum 
operating time at 500% rated amps.

Dimensions:

See Dimensions illustration.

Poles:

1-pole (gangable)

Ratings:

Volts — 600Vac (or less)

— 300Vdc (or less)

Amps — 1-100A

IR — 300kA RMS Sym. (UL)

— 200kA RMS Sym. (CSA)

— 100kA DC (UL & CSA)

Agency Information:

CE, UL Listed Guide JFHR, File

E4273, CSA Certified Fuse: Class 1422- 02, File 53787, UL
Listed Fuse holder: Guide IZND, File E214079, CSA
Certified Fuse holder: Class 6225-01, File 47235.

Features and Benefits

• Separate overload and short-circuit elements provide time

delay for sizing of high inrush loads linked with Class J 
current limitation.

• Selective coordination ratio of 2:1 (within Low-Peak fuse

family) prevents electrical shutdowns from extending
beyond the failed circuit.

• Smallest footprint of any Class CC, J, T or RK fuse 

provides substantial space savings and installation 
flexibility.

• IEC 60529 and finger-safe rating provides enhanced 

workplace safety.

Typical Applications

• Electrical Panelboards
• Machinery Disconnects
• Industrial Control
• Required Finger-Safe Systems

Available With

Indication

Amp

Carton

Weight Per Carton

Rating

Qty.

lbs

kg

TCF1-30A

12

1.39

0.63

TCF35-60A

12

1.42

0.65

TCF70-100A

6

1.74

0.79

Carton Quantity and Weight

Scan this tag to get the latest product

information for the TCF CUBEFuse.

Recommended Fuse Holders For Class CF Fuses

• See pages 32 and 33

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27

27

Time-Current Characteristic Curves–Average Melt

Time-Delay Low-Peak CUBEFuse

™

Finger-safe Fuse and Fuse

Holder System

Dimensions for CUBEFuse Fuse and Fuse Holder

Current Limitation Curves

Data Sheet: 9000 (fuses) and 9007 (holders)     

Fuse

Dimensions - in (mm)

Amps

A

B

C

D

E

F

G

1-15

1.88

0.75

1.00

0.23

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(5.84)

(1.02)

(15.93)

(7.11)

17 

1

⁄

2

1.88

0.75)

1.00

0.31

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(7.87)

(1.02)

(15.93)

(7.11)

20

1.88

0.75)

1.00

0.31

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(7.87)

(1.02)

(15.93)

(7.11)

25-30

1.88

0.75

1.00

0.31

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(7.87)

(1.02)

(15.93)

(7.11)

35-40

2.13

1.00

1.13

0.36

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(9.10)

(1.02)

(15.93)

(9.65)

45-50

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

60

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

70

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

80-90

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

100

3.01

1.00

1.26

0.57

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(14.48)

(1.60)

(14.78)

(9.65)

Low Voltage, Branch Circuit Rated Fuses

Lo
w V

oltage

Branch Circuit

Fuses

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28

Low Voltage, Branch Circuit Rated Fuses

UPS & Critical Application Fast-Acting CUBEFuse

™

Finger-safe Fuse

FCF Class CF Fuse

Carton Quantity and Weight

Amp

Carton Weight Per Carton

Rating

Qty.

lbs

kg

FCF-1-30A

12

1.39

0.63

FCF-35-60A

12

1.42

0.65

FCF-70-100A

6

1.74

0.79

Catalog Symbol:

FCF_RN

Fast-Acting Fuse:

4 minutes maximum clearing time at 200%

rated current for 1 to 30A fuse
6 minutes maximum clearing time at 200%
rated current for 35 to 60A fuse

Dimensions:

See Dimensions illustration.

Poles:

1-pole (gangable)

Ratings:

Volts — 600Vac (or less)

— 300Vdc (or less)

Amps — 1-100A

IR — 300kA RMS Sym. (UL)

— 200kA RMS Sym. (CSA)

— 50kA DC (UL & CSA)

Agency Information:

• UL Listed Fuse: Guide JFHR, File E4273
• CSA Certified Fuse: Class 1422- 02, File 53787
• CE compliance for the European Union low voltage directive

Other Ratings/Specifications:

Watts Loss at rated current:

FCF15RN: 3.48W
FCF30RN: 5.45W
FCF60RN: 7.27W

Operating and Storage Temperature Range:

-40 to 80°C

Material Specifications:

• Case: Glass filled PES (Polyethersulfone)
• Terminals: Copper alloy
• Terminal plating: Electroless tin

Data Sheet: 2147     

Features and Product Benefits

• The world’s first finger-safe power fuse system.

• Smallest footprint of any class fuse including Class J, CC, T

and RK.

• Class CF meets Class J fast-acting electrical 

performance requirements.

• Faster response to damaging faults to help reduce 

destructive thermal and magnetic forces.

• True fast-acting fuse construction.

• High interrupting rating to safely interrupt faults up to

300kA.

• No venting of arc or molten metal and gases during 

opening.

• Low let-through currents under fault conditions.

Fuse Catalog Numbers Non-Indicating (Amps)

FCF1RN

FCF20RN

FCF45RN

FCF90RN

FCF3RN

FCF25RN

FCF50RN

FCF100RN

FCF6RN

FCF30RN

FCF60RN

–

FCF10RN

FCF35RN

FCF70RN

–

FCF15RN

FCF40RN

FCF80RN

–

Scan this tag to get the latest product

information for the

New FCF CUBEFuse.

Recommended Fuse Holders For Class CF Fuses

• See pages 32 and 33

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29

Lo
w V

oltage

Branch Circuit

Fuses

UPS & Critical Application Fast-Acting CUBEFuse

™

Finger-safe Fuse

Data Sheet: 2147     

FCF_RN Dimensions – in (mm)

Time-Current Characteristic Curves–Average Melt

Current Limitation Curves

100A

 

60A

 

10A

 

15A

 

20A

 

30A

 

40A

 

50A

 

1A

 

3A

 

6A

 

0.01 

0.1 

1 

10 

100 

1000 

1 

10 

100

 

1,000

 

10,000

 

TIME IN SECONDS 

CURRENT IN AMPS 

Fuse

Dimensions - in (mm)

Amps

A

B

C

D

E

F

G

1-15

1.88

0.75

1.00

0.23

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(5.84)

(1.02)

(15.93)

(7.11)

20

1.88

0.75

1.00

0.31

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(7.87)

(1.02)

(15.93)

(7.11)

25-30

1.88

0.75

1.00

0.31

0.04

0.63

0.28

(47.75)

(19.05)

(25.40)

(7.87)

(1.02)

(15.93)

(7.11)

35-40

2.13

1.00

1.13

0.36

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(9.10)

(1.02)

(15.93)

(9.65)

45-50

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

60

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

70

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

80-90

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

100

3.01

1.00

1.26

0.57

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(14.48)

(1.60)

(14.78)

(9.65)

A

30A

60A

15A

100A

100

1,000

10,000

100,000

100

1,000

10,000

100,000

INSTANTANEOUS 

PE

AK

 LET THRU CUR

RENT IN 

AM

PE

RES

PROSPECTIVE SHORT CIRCUIT CURRENT (SYMMETRICAL RMS AMPS)

B

300,000

Low Voltage, Branch Circuit Rated Fuses

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30

Low Voltage, Branch Circuit Rated Fuses

Wind Fast-Acting CUBEFuse

™

– Finger-safe Fuse

WCF Class CF Fuse

Data Sheet: 9009     

Features and Product Benefits

• Maximize uptime and reliability using fuses designed and

listed to UL 248-1.

• Minimize chances of equipment failure and personnel injury

when using full range fuses having the industry’s fastest
response time to low-magnitude faults.

• Maximize return on investment with fuses proven to 

withstand harsh temperatures.

• Minimize design time, operating outage time and 

replacement cost with fuses qualified in excessively 
changing enviromental conditions.

• Simplify compatibility with readily available industry 

standard Class CF holders.

• Temperature Derating: Designed to maximize rated capacity

in elevated environmental temperatures.

• Overload Protection: Proven to clear faults faster than the

UL requirement.

• Power Loss: Minimal energy consumption leading to

increased efficiency.

Amp

Carton

Weight Per Carton

Rating

Qty.

lbs

kg

WCF1-30A

12

1.39

0.63

WCF35-60A

12

1.42

0.65

WCF70-100A

6

1.74

0.79

Carton Quantity and Weight

Catalog Numbers (amp rating)

Non-Indicating Wind CUBEFuse

WCF1RN

WCF15RN

WCF35RN

WCF60RN

WCF100RN

WCF3RN

WCF20RN

WCF40RN

WCF70RN

—

WCF6RN

WCF25RN

WCF45RN

WCF80RN

—

WCF10RN

WCF30RN

WCF50RN

WCF90RN

—

Catalog Symbol:

WCF_RN

Description: 

Finger-safe, fast-acting CUBEFuse for wind

power generation.

Electrical Characteristics:

Maximum clearing time at 200% 

rated current:

• 4 Minutes for 1 to 30A fuses
• 6 Minutes for 35 to 60A fuses
• 8 Minutes for 70 to 100A fuses

Agency Information:

• UL Recognized Fuse: Guide JFHR, File E56412
• cURus component certified C22.2
• CE compliance for the European Union low voltage 

directive

Other Ratings/Specifications:

Watts Loss at Rated Current:

WCF15RN: 3.48W
WCF30RN: 5.45W
WCF60RN: 7.27W

WCF100RN: 11.50W

Operating and Storage Temperature Range:

-40 to 90°C

Material Specifications:

• Case: Glass filled PES (Polyethersulfone)
• Terminals: Copper alloy

• Terminal plating: Electroless tin

Installation:

Fits 690V WCF holders as listed in the table

Application:

• Wind Systems:

- Transformer protection
- Pitch and speed control
- Turbine HVAC and lighting

Ratings:

Volts — 690Vac

Amps — 1-100A

IR — 50kA AC (1-60A)
IR — 30kA AC (70-100A)

Scan this tag to get the latest product

information for the

New WCF CUBEFuse.

Recommended Fuse Holders For Class CF Fuses

• See pages 32 and 33

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31

Lo
w V

oltage

Branch Circuit

Fuses

Wind Fast-Acting CUBEFuse

™

– Finger-safe Fuse

WCF_RN Dimensions – in (mm)

Data Sheet: 2155     

Current Limitation Curves

60A 

100A 

40A 

50A 
35A 

100 

1,000 

10,000 

100,000 

100

 

1,000 

10,000

 

100,000

 

INSTANTANE

OUS 

PE

AK 

LE

T THRU CURRENT IN 

AMPS

 

PROSPECTIVE SHORT CIRCUIT CURRENT 

 SYMMETRICAL RMS AMPS  

B 

300,000 

A

Fuse

Dimensions - in (mm)

Amps

A

B

C

D

E

F

G

35-40

2.13

1.00

1.13

0.36

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(9.10)

(1.02)

(15.93)

(9.65)

45-50

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

60

2.13

1.00

1.13

0.44

0.04

0.63

0.38

(54.10)

(25.40)

(28.58)

(11.13)

(1.02)

(15.93)

(9.65)

70

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

80-90

3.01

1.00

1.26

0.49

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(12.45)

(1.60)

(14.78)

(9.65)

100

3.01

1.00

1.26

0.57

0.06

0.58

0.38

(76.45)

(25.40)

(32.00)

(14.48)

(1.60)

(14.78)

(9.65)

Low Voltage, Branch Circuit Rated Fuses

Time-Current Characteristic Curves–Average Melt

100

A

60A

 

10A

 

15A

 

20A

 

30A

 

40A

 

50A

 

1A

 

3A

 

6A

 

0.01 

0.1 

1 

10 

100 

1000 

1 

10 

100

 

1,000

 

10,000

 

TIME

 IN

 SECONDS

 

CURRENT IN AMPS 

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Low Voltage, Branch Circuit Rated Fuses

32

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

CUBEFuse Fuse Holder

CUBEFuse

™

Finger-safe Fuse Holder System

Catalog Symbols:

Ampacity

600V

690V (Wind)

(holds any CUBEFuse)

TCFH30N

TCFH30NW

(1-30A)

TCFH60N

TCFH60NW

(1-60A)

TCFH100N

TCFH100NW

(1-100A)

Construction:

Finger-safe

Mounting:

35mm DIN-Rail or panel mount

Ratings:

Volts: 600V (UL, CSA)

690V (cURus - Wind version)

Withstand Rating: 300kA RMS Sym. (UL)

200kA RMS Sym. (CSA)
100kA DC (UL & CSA)
50kA AC (cURus, 1-60A Wind version)

Agency Information:

• UL Listed Fuse Holder: Guide IZLT, File E14853
• CSA Certified Fuse Holder: Class 6225-01, File 47235
• cURus component Certified
• CE compliance for the European Union low voltage directive

Operating and Storage Temperature Range:

-40 to 80°C

Material Specifications:

• Holder case: Glass filled PBT
• Interface clips: Copper alloy
• Interface clip plating: Tin
• Terminals: Steel
• DIN Rail spring: Stainless steel

Data Sheet: 9007     

CUBEFuse

CUBEFuse Type and Ampacity Range Per CUBEFuse Holder

Holder

Non-Indicating

Indicating

Catalog

Time-Delay

Time-Delay

Fast-Acting

Photovoltaic

Wind

Number

Volts

TCF_RN

TCF_

FCF_RN

PVCF_RN

WCF_RN

TCFH30N

600

1-30

6-30

1-30

—

—

TCFH60N

600

1-60

6-60

1-60

35-60

—

TCFH100N

600

1-100

6-100

1-100

35-100

—

TCFH30NW

690

—

—

—

—

1-30

TCFH60NW

690

—

—

—

—

1-60

TCFH100NW

690

—

—

—

—

1-100

CUBEFuse™ Holder Applications

Terminal Torque Ratings by Conductor and Holder Size (75°C Cu only)

TCFH30N / TCFH30NW

TCFH60N / TCFH60NW

TCFH100N / TCFH100NW

Single

Dual

Single

Dual

Single

Dual

10-8AWG 25Lb-In

18-10AWG 25Lb-In*

14-10AWG 20Lb-In

18-10AWG 20Lb-In

18-10AWG 25Lb-In**

6AWG 45Lb-In

†

18-12AWG 20Lb-In

8-4AWG 35Lb-In

8-6AWG 35Lb-In

8-1AWG 40Lb-In

†

* 18-10AWG Stranded, 14-18AWG solid

** Solid and stranded

† Stranded

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33

Lo
w V

oltage

Branch Circuit

Fuses

Low Voltage, Branch Circuit Rated Fuses

Diamensions for CUBEFuse Fuse Holder

CUBEFuse

™

Finger-safe Fuse Holder System

Data Sheet: 9007     

Catalog

CUBEFuse

Wire Range (Cu/AWG)

Dimensions - in (mm)

Number

Amp Range

Single

Dual

H

I

J

K

L

M

TCFH30N

1-30

14-8

14-10

2.30

0.76

1.36

0.15

—

—

TCFH30NW

(58.5) (19.37) (34.24) (3.76)

—

—

TCFH60N

1-60

14-4

10-6

2.60

1.03

1.60

0.17

—

—

TCFH60NW

(66.12) (26.23) (40.64) (4.34)

—

—

TCFH100N

1-100

10-1

6

2.91

1.05

2.01

0.15

0.80

2.51

TCFH100NW

(73.81) (26.74) (50.93) (3.81) (20.39) (63.65)

CUBEFuse™ Holder Catalog Numbers

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34

Low Voltage, Branch Circuit Rated Fuses

Time-delay Fuses

Data Sheet: 1024

Specifications
Description:

Fast-acting (

1

⁄

2

-6A), 

time-delay (7-60A)fuse.

Dimensions:

See dimensions 

illustration.

Ratings:

Volts — 600Vac (

1

⁄

2

-20A)

— 480Vac (25-60A)

— 170Vdc (

1

⁄

2

-20A)

— 300Vdc (30 & 60A only)

Amps — 

1

⁄

2

-60A

IR — 100kA RMS Sym.

— 10kA DC

Agency Information:

CE, Std. 248-

5, Class G, UL Listed, Guide JDDZ, File E4273, CSA
Certified, Class 1422-01, File 53787.

Features and Benefits

• Current limiting for component protection, providing Class G

energy-limitation for branch circuit protection.

• 100kA interrupting rating provides cost-effective branch 

circuit fusing.

• Variations in length help prevent overfusing.

Typical Applications

• Fusible Branch Panelboards
• HVAC Branch Circuit Protection

Catalog Numbers (Amps)

SC-

1

⁄

2

SC-2-

1

⁄

2

SC-6

SC-12

SC-30

SC-50

SC-1

SC-3

SC-7

SC-15

SC-35

SC-60

SC-1-

1

⁄

2

SC-4

SC-8

SC-20

SC-40

SC-2

SC-5

SC-10

SC-25

SC-45

SC Class G

Recommended Fuse Holders & Blocks For Class G Fuses

• See page 18

Dimensions -in (mm) 

Fuse Amps

Length

Diameter

SC-

1

⁄

2

to -15

1.31 (33.3)

0.41” (10.4)

SC-20

1.41 (35.8)

0.41” (10.4)

SC-25 to -30

1.62 (41.2)

0.41” (10.4)

SC-35 to -60

2.25 (57.1)

0.41” (10.4)

A

(Length)

0.41"

(10.41mm)

Current Limitation Curves

Time-Current Characteristic Curves—Average Melt

B

60

30
20
15

AMP

RA

TING

A

10,000

1,000

100

100

1,000

10,000

100,000

INST

ANT

ANEOUS PEAK LET

-THROUGH 

CURRENT

 IN 

AMPS

RMS SYMMETRICAL CURRENTS IN AMPS

A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)

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35

Lo
w V

oltage

Branch Circuit

Fuses

Low-Peak

™

Dual-element, Time-delay Fuses

LPJ_SP Class J

Available With

Indication

Specifications
Description:

Dual-element,
time-delay fuse; 
10 seconds (minimum) at 500% rated amps. Now
available with optional indication on select ratings
(see Catalog Numbers table).

Dimensions:

See page 11 for Class J dimensions.

Ratings:

Volts — 600Vac (or less)

— 300Vdc (or less)

Amps — 1-600A

IR — 300kA RMS Sym.

— 100kA DC

Agency Information:

CE, UL Listed - Special Purpose*,

Guide JFHR, File E56412, CSA Certified (200k AIR) Class J
per CSA-22.2 No. 248.8, Class 1422-02, File 53787.

Features and Benefits

• Separate overload and short-circuit elements provide time

delay for sizing of high inrush loads linked with Class J 
current limitation.

• Selective coordination ratio of 2:1 (within Low-Peak fuse

family) prevents electrical shutdowns from extending
beyond the failed circuit.

• Series combination ratings with branch circuit breakers

allows broad range of coverage, independent of breaker
manufacturer.

Typical Applications

• Power Panelboards
• Branch Circuit Breaker Panelboard Mains
• Machinery Disconnects
• Industrial Control

Catalog Numbers (Amps)

LPJ-1SP

LPJ-4-

1

⁄

2

SP

LPJ-25SP**

LPJ-125SP**

LPJ-1-

1

⁄

4

SP

LPJ-5SP

LPJ-30SP**

LPJ-150SP**

LPJ-1-

6

⁄

10

SP

LPJ-5-

6

⁄

10

SP

LPJ-35SP**

LPJ-175SP**

LPJ-1-

8

⁄

10

SP

LPJ-6SP**

LPJ-40SP**

LPJ-200SP**

LPJ-2SP

LPJ-7SP**

LPJ-45SP**

LPJ-225SP**

LPJ-2-

1

⁄

4

SP

LPJ-8SP**

LPJ-50SP**

LPJ-250SP**

LPJ-2-

1

⁄

2

SP

LPJ-9SP**

LPJ-60SP**

LPJ-300SP**

LPJ-2-

8

⁄

10

SP

LPJ-10SP**

LPJ-70SP**

LPJ-350SP**

LPJ-3SP

LPJ-12SP**

LPJ-80SP**

LPJ-400SP**

LPJ-3-

2

⁄

10

SP

LPJ-15SP**

LPJ-90SP**

LPJ-450SP**

LPJ-3-

1

⁄

2

SP

LPJ-17-

1

⁄

2

SP**

LPJ-100SP**

LPJ-500SP**

LPJ-4SP

LPJ-20SP**

LPJ-110SP**

LPJ-600SP**

*Meets all performance requirements of UL Standard 248-8 for Class J fuses.
**Available with optional permanent replace fuse indication. To order, place “I” at end of
catalog number. Example: LPJ-6SPI.
Available with silver plated terminals. Add SP/ in front of Catalog Number.

AMP
RATING

1A

3A

6A

300

100

10

1

.1

.01

TIME IN SECONDS

10A

15A

30A

60A

100A

400A

1,000

100

CURRENT IN AMPS

600A

125A

250A

200A

80A

200

10

10,000

1

Recommended Fuse Holders & Blocks For Class J Fuses

• See page 20

Time-Current Characteristic Curves–Average Melt

Current Limitation Curves

INST

ANT

ANEOUS PEAK LET

-THRU CURRENT

 IN 

AMPS

100,000

10,000

1,000

100

B

A

PROSPECTIVE SHORT-CIRCUIT CURRENT

SYMMETRICAL RMS AMPS

100

1,000

10,000

100,000

200,000

600A
400A

200A
100A
60A

30A

15A

RA

AMP

TING

LPJ Current Limitation Curves

300,000

Data Sheets: 1006 (0-60) and 1007 (70-600)

With indication 1062 (6-60) and 1063 (70-600)

Low Voltage, Branch Circuit Rated Fuses

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For superior electrical protection, Bussmann recommends upgrading JKS fuse
applications to Low-Peak LPJ fuses See page 35.

Recommended Fuse Holders & Blocks For Class J Fuses

• See page 20

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

36

Low Voltage, Branch Circuit Rated Fuses

Limitron

™

Fast-acting Fuses

Specifications
Description:

Fast-acting, cur-

rent-limiting fuse.

Dimensions:

See page 15 for

Class J dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 1-600A

IR — 200kA RMS Sym.

Agency Information:

CE, Std.

248-8, Class J, UL
Listed, Guide JDDZ,
File E4273, CSA
Certified, Class 1422-02, File 53787.

Features and Benefits

• Current limitation for non-inductive circuits provides Class J

current-limiting response to maximum ground fault and
short-circuit conditions.

• 200kA interrupting rating provides high ratings at all circuit

locations.

• Economical solutions for high-fault circuits.

Typical Applications

• Power Panelboards
• Machinery Disconnects

Catalog Numbers (Amps)

JKS-1

JKS-15

JKS-70

JKS-225

JKS-2

JKS-20

JKS-80

JKS-250

JKS-3

JKS-25

JKS-90

JKS-300

JKS-4

JKS-30

JKS-100

JKS-350

JKS-5

JKS-35

JKS-110

JKS-400

JKS-6

JKS-40

JKS-125

JKS-450

JKS-8

JKS-45

JKS-150

JKS-500

JKS-10

JKS-50

JKS-175

JKS-600

JKS-12

JKS-60

JKS-200

Data Sheet: 1026 (1-60) and 1027 (70-600)

JKS Class J

CURRENT IN AMPS

60A

100A

200A

30A

400A

AMP
RATING

600A

JKS

40

100

1,000

10,000

300

100

10

1

.1

.01

TIME IN SECONDS

600

400

200

AMP

RA

TING

100

INST

ANT

ANEOUS PEAK LET

-THRU CURRENT

 IN 

AMPS

1,000

10,000

100,000

200,000

400,000

100,000

10,000

1,000

RMS SYMMETRICAL CURRENTS IN AMPS

A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)

B

A

60

30

Time-Current Characteristic Curves—Average Melt

Current Limitation Curves

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For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

37

Lo
w V

oltage

Branch Circuit

Fuses

One-time General Purpose Fuses

Specifications
Description:

General purpose, 

non-current-limiting fuses.

Dimensions: 

See page 15 for 

dimensions.

Ratings:

Volts — 

NON:

— 250Vac

— 125Vdc (0-100A)

— 

NOS:

— 600Vac

Amps — 

1

⁄

8

-600A

IR — 50kA RMS Sym. (NON & NOS Class

K5 0-60A)

— 10kA RMS Sym. (NON & NOS Class H65-600A)

— 50kA @ 125Vdc (NON Class K5 0-60A)

— 10kA @ 125Vdc (NON Class H 65-100A)

Agency Information:

CE, UL Listed – 250V: Class K5

(0-60A), Std. 248-9, Class H (65-600A), Std. 248-6, (125Vdc:
NON 0-100), 600V: Class K5 (0-60A), Std. 248-9, Class H
(70-600A), Std. 248-6, Guide JDDZ, File E4273, CSA
Certified – 250V: (0-12, 65-600)†, 600V: (0-600), Class
1421-01, File 53787.

† 

For CSA Certified 15-60A Ratings, see PON Data Sheet 4126

Features and Benefits

• Original fuse providing circuit protection.

Typical Applications

• Light Duty Circuit Locations

NON (250Vac) Catalog Numbers (Amps)

NON-

1

⁄

8

NON-5

NON-40

NON-175

NON-

1

⁄

2

NON-6

NON-45

NON-200

NON-

3

⁄

4

NON-6-

1

⁄

4

NON-50

NON-225

NON-

8

⁄

10

NON-7

NON-60

NON-250

NON-1

NON-8

NON-65

NON-300

NON-1-

1

⁄

4

NON-9

NON-70

NON-350

NON-1-

1

⁄

2

NON-10

NON-75

NON-400

NON-1-

6

⁄

10

NON-12

NON-80

NON-450

NON-2

NON-15

NON-90

NON-500

NON-2-

1

⁄

2

NON-20

NON-100

NON-600

NON-3

NON-25

NON-110

NON-3-

2

⁄

10

NON-30

NON-125

NON-4

NON-35

NON-150

NOS (600Vac) Catalog Numbers (Amps)

NOS-1

NOS-12

NOS-70

NOS-200

NOS-2

NOS-15

NOS-75

NOS-225

NOS-3

NOS-20

NOS-80

NOS-250

NOS-4

NOS-25

NOS-90

NOS-300

NOS-5

NOS-30

NOS-100

NOS-350

NOS-6

NOS-35

NOS-110

NOS-400

NOS-7

NOS-40

NOS-125

NOS-450

NOS-8

NOS-45

NOS-150

NOS-500

NOS-9

NOS-50

NOS-175

NOS-600

NOS-10

NOS-60

Recommended Fuse Reducers

250V

600V

Fuse

Clip

Catalog

Fuse

Clip

Catalog

Amp

Amp

Number

Amp

Amp Number

Size

Size

(Pair)

Size

Size

(Pair)

30

60

NO.263

30

60

NO.663

30

100

NO.213

30

100

NO.216

60

100

NO.216

60

100

NO.616

60

200

NO.226

60

200

NO.626

100

200

NO.2621

100

200

NO.2621

100

400

NO.2641

100

400

NO.2641

200

400

NO.2642

200

400

NO.2642

100

600

NO.2661

100

600

NO.2661

200

600

NO.2662

200

600

NO.2662

400

600

NO.2664

400

600

NO.2664

Data Sheet: 1030

NON (250Vac/125Vdc) Class K5 & H

NOS (600Vac) Class K5 & H

For superior electrical protection, Bussmann recommends upgrading NON
(250Vac) and NOS (600Vac) fuse applications to Low-Peak LPN-RK (250Vac)
and LPS-RK (600Vac) fuses See page 41.

Recommended Fuse Holders & Blocks For Class K5 & H

250V & 600V Fuses

• See page 18

Low Voltage, Branch Circuit Rated Fuses

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

38

Low Voltage, Branch Circuit Rated Fuses

Low-Peak

™

Time-delay Fuses

Specifications
Description:

Time-delay fuse – 4 

seconds (minimum) at 500% rated amps.

Dimensions:

See page 16 for Class L

dimensions.

Ratings:

Volts — 600Vac (or less)

— 300Vdc (601-2000A)

Amps — 601-6000A 

(use KRP-CL for current ratings
under 601A)

IR — 300kA RMS Sym.

— 100kA DC

Agency Information:

CE, UL Listed-

Special Purpose (meets all performance
requirements of UL Standard 248-10 for Class L
fuses),Guide JFHR, File E56412, CSA Certified (200k AIR),
Class 1422-02, File 53787, Class L per CSA C22.2, No.
248.10.

Features and Benefits

• Time-delay of four seconds at five times rating allows closer

sizing on large motor loads combined with Class L current
limitation.

• Selective coordination ratio of 2:1 (within Low-Peak fuse

family) prevents electrical shutdowns from extending
beyond the failed circuit.

• Interrupting rating of 300kA RMS symmetrical provides 

adequate ratings without obsolescence for all electrical 
systems, big or small.

• Quality construction, using high-grade materials, provides

lower watts loss and operating temperatures with superior
arc quenching during current-limiting action.

Typical Applications

• Large Distribution Switchboards
• Power Panelboards
• Large Machinery Disconnects

Catalog Numbers (Amps)

KRP-C-601SP

KRP-C-1000SP KRP-C-1800SP KRP-C-3500SP

KRP-C-650SP

KRP-C-1100SP

KRP-C-1900SP KRP-C-4000SP

KRP-C-700SP

KRP-C-1200SP KRP-C-2000SP KRP-C-4500SP

KRP-C-750SP

KRP-C-1350SP KRP-C-2001SP KRP-C-5000SP

KRP-C-800SP

KRP-C-1400SP KRP-C-2400SP KRP-C-6000SP

KRP-C-801SP

KRP-C-1500SP KRP-C-2500SP

KRP-C-900SP

KRP-C-1600SP KRP-C-3000SP

Data Sheets: 1008 and 1009

KRP-C_SP Class L

Recommended Fuse Holders & Blocks For Class L Fuses

• See page 19

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

39

Lo
w V

oltage

Branch Circuit

Fuses

Low-Peak

™

Time-delay Fuses

1000,000

10,000

1,000

10,000

300,000

INST

ANT

ANEOUS PEAK LET

-THRU CURRENT

 IN 

AMPS

PROSPECITVE SHORT-CIRCUIT CURRENT

SYMMETRICAL RMS AMPS

100,000

100,000

6,000A
5,000A
4,000A
3,000A
2,500A
2,000A

1,600A

1,200A
800A
601A

A

AMP

RA

TING

B

1,000

300 

100 

10 

1 

.1 

.01 

1,000 

10,000 

100,000 

200,000 

CURRENT  IN  AMPS

TIME IN SECONDS 

800A

 

1200A

 

1600A

 

2000A

 

2500A

 

3000A

 

4000A

 

5000A

 

6000A

 

AMP
RA TING 

Current Limitation Curves

Time-Current Characteristic Curves—Average Melt

KRP-CL Current-limiting, Time-delay
Fuses

Specifications
Description:

Current-limiting, time-delay fuse.

Dimensions:

See page 16 for Class L dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 225-600A

IR — 200kA RMS Sym.

Features and Benefits

• Time-delay of four seconds at five times rating allows closer

sizing inductive loads coupled with an equivalent Class L
current limitation.

• Class L case size for amp ratings from 225 to 600A allows

downsize fusing of large Class L fused switches for improved
circuit protection.

Typical Applications

• Large Distribution Switchboards
• Power Panelboards
• Machinery Disconnects

Catalog Numbers (Amps)

KRP-CL-225

KRP-CL-350

KRP-CL-500

KRP-CL-250

KRP-CL-400

KRP-CL-600

KRP-CL-300

KRP-CL-450

Data Sheets: 1008 and 1009

Data Sheet: 1016

Recommended Fuse Holders & Blocks For Class L Fuses

• See page 19

Low Voltage, Branch Circuit Rated Fuses

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

40

Low Voltage, Branch Circuit Rated Fuses

Limitron

™

Fuses

Specifications
Description:

Fast-acting, bolt-mount

fuse.

Dimensions:

See page 22 for Class L

dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 601-6000A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-10,

Class L, UL Listed, Guide JDDZ, File
E4273 CSA Certified, Class 1422-02, File 53787.

Features and Benefits

• 200kA interrupting rating provides high ratings at all 

circuit locations.

• Economical solutions for high-fault circuits.
• Quality construction using high-grade materials provides

lower watts loss and operating temperatures with superior
arc quenching during current-limiting action.

Typical Applications

• Large Distribution Switchboards
• Power Panelboards

Catalog Number (Amps)

KTU-601

KTU-1000

KTU-2001

KTU-650

KTU-1100

KTU-2400

KTU-700

KTU-1200

KTU-2500

KTU-750

KTU-1400

KTU-3000

KTU-800

KTU-1500

KTU-3500

KTU-801

KTU-1600

KTU-4000

KTU-850

KTU-1800

KTU-5000

KTU-900

KTU-2000

KTU-6000

Specifications
Description:

Time-delay, bolt-mount fuse

- 5 seconds (minimum) at 500% rated
amps. See KRP-CL for amp ratings below
601A.

Dimensions:

See page 22 for Class L

dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 601-4000A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-10,

Class L, UL Listed, Guide JDDZ, File E4273, CSA Certified,
CSA Class 1422-02, File 53787.

Features and Benefits

• 200kA interrupting rating provides high ratings at all circuit

locations.

• Economical solutions for high fault circuits.

Typical Applications

• Large Distribution Switchboards
• Power Panelboards
• Large Machinery Disconnects

Catalog Numbers (Amps)

KLU-601

KLU-1200

KLU-2500

KLU-650

KLU-1500

KLU-3000

KLU-700

KLU-1600

KLU-4000

KLU-800

KLU-1800

KLU-1000

KLU-2000

Data Sheet: 1010

Data Sheet: 1013

KTU Class L

KLU Class L

For superior electrical protection, Cooper Bussmann recommends upgrading
KLU fuse applications to Low-Peak KRP-C fuses See page 38.

Recommended Fuse Holders & Blocks For Class L Fuses

• See page 19

For superior electrical protection, Cooper Bussmann recommends upgrading
KTU fuse applications to Low-Peak KRP-C fuses See page 38.

Recommended Fuse Holders & Blocks For Class L Fuses

• See page 19

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

41

Lo
w V

oltage

Branch Circuit

Fuses

Typical Applications

• Large Distribution Switchboards
• Power Panelboards
• Motor Control Centers
• Machinery Disconnect Switches

LPN Catalog Numbers (Amps)

LPN-RK-

1

⁄

10

SP

LPN-RK-3-

1

⁄

2

SP

LPN-RK-60SP**

LPN-RK-

15

⁄

100

SP

LPN-RK-4SP

LPN-RK-70SP**

LPN-RK-

2

⁄

10

SP

LPN-RK-4-

1

⁄

2

SP

LPN-RK-80SP**

LPN-RK-

3

⁄

10

SP

LPN-RK-5SP

LPN-RK-90SP**

LPN-RK-

4

⁄

10

SP

LPN-RK-5-

6

⁄

10

SP

LPN-RK-100SP**

LPN-RK-

1

⁄

2

SP

LPN-RK-6SP

LPN-RK-110SP**

LPN-RK-

6

⁄

10

SP

LPN-RK-6-

1

⁄

4

SP

LPN-RK-125SP**

LPN-RK-

8

⁄

10

SP

LPN-RK-8SP

LPN-RK-150SP**

LPN-RK-1SP

LPN-RK-9SP

LPN-RK-175SP**

LPN-RK-1-

1

⁄

8

SP

LPN-RK-10SP

LPN-RK-200SP**

LPN-RK-1-

1

⁄

4

SP

LPN-RK-12SP

LPN-RK-225SP**

LPN-RK-1-

4

⁄

10

SP

LPN-RK-15SP

LPN-RK-250SP**

LPN-RK-1-

6

⁄

10

SP

LPN-RK-17-

1

⁄

2

SP

LPN-RK-300SP**

LPN-RK-1-

8

⁄

1

0

SP

LPN-RK-20SP

LPN-RK-350SP**

LPN-RK-2SP

LPN-RK-25SP

LPN-RK-400SP**

LPN-RK-2-

1

⁄

4

SP

LPN-RK-30SP

LPN-RK-450SP**

LPN-RK-2-

1

⁄

2

SP

LPN-RK-35SP**

LPN-RK-500SP**

LPN-RK-2-

8

⁄

10

SP

LPN-RK-40SP**

LPN-RK-600SP**

LPN-RK-3SP

LPN-RK-45SP**

LPN-RK-3-

2

⁄

10

SP

LPN-RK-50SP**

*Meets all performance requirements of UL Standard 248-12 for Class RK1 fuses.
**Available with optional indication. To order, place “I” at end of Catalog Number. Example: 
LPN-RK-35SPI.
0-60A fuses available with Nickel plate option. (Ex: LPS-RK30SPNP) 70-600A fuses available
with Tin plate option.  Example: LPS-RK-100SP-TP.

LPS Catalog Numbers - (Amps)

LPS-RK-

1

⁄

10

SP

LPS-RK-2-

1

⁄

4

SP

LPS-RK-10SP**

LPS-RK-100SP**

LPS-RK-

2

⁄

10

SP

LPS-RK-2-

1

⁄

2

SP

LPS-RK-12SP**

LPS-RK-110SP**

LPS-RK-

3

⁄

10

SP

LPS-RK-2-

8

⁄

10

SP

LPS-RK-15SP**

LPS-RK-125SP**

LPS-RK-

4

⁄

10

SP

LPS-RK-3SP

LPS-RK-17-

1

⁄

2

SP**

LPS-RK-150SP**

LPS-RK-

1

⁄

2

SP

LPS-RK-3-

2

⁄

10

SP

LPS-RK-20SP**

LPS-RK-175SP**

LPS-RK-

6

⁄

10

SP

LPS-RK-3-

1

⁄

2

SP

LPS-RK-25SP**

LPS-RK-200SP**

LPS-RK-

8

⁄

10

SP

LPS-RK-4SP

LPS-RK-30SP**

LPS-RK-225SP**

LPS-RK-1SP

LPS-RK-4-

1

⁄

2

SP

LPS-RK-35SP**

LPS-RK-250SP**

LPS-RK-1-

1

⁄

8

SP

LPS-RK-5SP

LPS-RK-40SP**

LPS-RK-300SP**

LPS-RK-1-

1

⁄

4

SP

LPS-RK-5-

6

⁄

10

SP

LPS-RK-45SP**

LPS-RK-350SP**

LPS-RK-1-

4

⁄

10

SP

LPS-RK-6SP**

LPS-RK-50SP**

LPS-RK-400SP**

LPS-RK-1-

1

⁄

2

SP

LPS-RK-6-

1

⁄

4

SP**

LPS-RK-60SP**

LPS-RK-450SP**

LPS-RK-1-

6

⁄

10

SP

LPS-RK-7SP**

LPS-RK-70SP**

LPS-RK-500SP**

LPS-RK-1-

8

⁄

10

SP

LPS-RK-8SP**

LPS-RK-80SP**

LPS-RK-600SP**

LPS-RK-2SP

LPS-RK-9SP**

LPS-RK-90SP**

*Meets all performance requirements of UL Standard 248-12 for Class RK1 fuses.

**Available with optional replace fuse indication. To order, place “I” at end of Catalog
Number. Example: LPS-RK-15SPI.

Low-Peak

™

Dual-element, Time-delay Fuses

LPN-RK_SP (250V) Class RK1

LPS-RK_SP (600V) Class RK1

Available With

Indication

Specifications
Description:

Current-limiting,
dual-element,
time-delay fuse; 10 seconds
(minimum) at 500% rated amps
(8 seconds for 0-30A sizes).
Now available with optional
indication on select ratings
(see Catalog Numbers table).

Dimensions:

See page 15 for

Class RK1 dimensions.

Ratings:

Volts

LPN-RK:

— 250Vac (or less)

— 125Vdc (0-60A)

— 250Vdc (70-600A)

LPS-RK:

— 600Vac (or less)

— 300Vdc

Amps — 

1

⁄

10

-600A

IR — 300kA RMS Sym.

— 100kA DC

Agency Information:

CE, UL Listed – Special Purpose*,

Guide JFHR, File E56412, CSA Certified (200k AIR), Class
RK1 per CSA C22.2, No. 248.12, Class 1422-02, File 53787.

Features and Benefits

• Separate overload and short-circuit elements provide time

delay for close sizing of high inrush loads linked with RK1
current-limitation and selective coordination ratio of 2:1
(within Low-Peak fuse family) prevents widespread
blackouts.

• Inventory consolidation of Class RK1, RK5 and H fuses for

reduced SKU investment and minimizing potential for
misapplying fuse.

• 300kA RMS symmetrical interrupting rating provides

adequate ratings without obsolescence for all electrical
systems, big or small.

• Insulated end caps reduces exposure to live parts and

extends air gap to distance between blades of adjacent
mounted fuses or to housing.

Data Sheets: LPN-RK — 1003 (0-60) and 1004 (70-600)

LPN-RK with indication — 1066 (70-600)
LPS-RK — 1001 (0-60) and 1002 (70-600)
LPS-RK with indication — 1061 (0-60) and
1064 (70-600)

Recommended Fuse Holders & Blocks For Class RK1 Fuses

• See page 19

Low Voltage, Branch Circuit Rated Fuses

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

42

Low Voltage, Branch Circuit Rated Fuses

Low-Peak

™

Dual-element, Time-delay Fuses

Time-Current Characteristic Curves—Average Melt

TIME IN SECONDS

CURRENT IN AMPS

AMP RATING

300

100

10

1

.1

.01

20

100

1,000

10,000     

15 20  30        60      100

200    400  600

LPN-RK 

TIME IN SECONDS

CURRENT IN AMPS

AMP RATING

300

100

10

1

.1

.01

20

100

1,000

10,000     

20   30      60     100

200    400  600

LPS-RK 

1 

2 

4  5 

8  10  12 

AMP RATING

300 

100 

10 

1 

.1 

.01 

.1 

1 

10 

100 

1,000 

TIME IN SECONDS 

RMS SYMMETRICAL CURRENT IN AMPS

1

/

10 

15

/

100 

2

/

10 

3

/

10 

4

/

10 

1

/

2 

6

/

10 

8

/

10 

1

1

/

4 

1

6

/

10 

2

1

/

2 

3

2

/

10 

6

1

/

4 

LPN-RK

1

/

10

15

/

100

2

/

10

4

/

10

6

/

10

1

6

/

10

8

/

10

1

2

4 5

8

12

10

1

1

/

4

2

1

/

2

3

2

/

10

6

1

/

4

1

/

2

3

/

10

LPS-RK 

TIME IN SECONDS

CURRENT IN AMPS

AMP RATING

Data Sheets: LPN-RK — 1003 (0-60) and 1004 (70-600)
Data Sheets: LPS-RK — 1001 (0-60) and 1002 (70-600)

Recommended Fuse Holders & Blocks For Class RK1 Fuses

• See page 19

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

43

Lo
w V

oltage

Branch Circuit

Fuses

A

B

600
400

200

100

AMP RA

TING

400,000

100,000

10,000

1,000

1,000

10,000

100,000

200,000

RMS SYMMETRICAL CURRENTS IN AMPS

A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS) 

INST

ANT

ANEOUS PEAK LET

-THRU CURRENT

 IN 

AMPS

60

30

Current Limitation Curves—LPN-RK

B

INST

ANT

ANEOUS PEAK LET

-THRU CURRENT

 IN 

AMPS

Current Limitation Curves—LPS-RK

Data Sheets: LPN-RK — 1003 (0-60) and 1004 (70-600)
Data Sheets: LPS-RK — 1001 (0-60) and 1002 (70-600)

Recommended Fuse Holders & Blocks For Class RK1 Fuses

• See page 19

Low-Peak

™

Dual-element, Time-delay Fuses

Low Voltage, Branch Circuit Rated Fuses

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

44

Low Voltage, Branch Circuit Rated Fuses

Limitron

™

Fast-acting Fuses

Data Sheet: 1043

Specifications
Description:

Fast-acting, current-limiting

fuse.

Dimensions:

See page 21 for Class RK1

dimensions.

Ratings:

Volts — 250Vac (or less)

Amps — 1-600A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-12,

Class RK1, UL Listed, Guide JDDZ, File
E4273, CSA Certified, Class 
1422-02, File 53787.

Features and Benefits

• Current limitation for non-inductive circuits provides Class

RK1 current-limiting response to maximum ground fault and
short-circuit conditions.

• 200kA interrupting rating provides high ratings at all circuit

locations.

• Economical solutions for high-fault circuits.

Typical Applications

• Panelboards

Catalog Numbers (Amps)

KTN-R-1

KTN-R-30

KTN-R-125

KTN-R-2

KTN-R-35

KTN-R-150

KTN-R-3

KTN-R-40

KTN-R-175

KTN-R-4

KTN-R-45

KTN-R-200

KTN-R-5

KTN-R-50

KTN-R-225

KTN-R-6

KTN-R-60

KTN-R-250

KTN-R-8

KTN-R-70

KTN-R-300

KTN-R-10

KTN-R-75

KTN-R-350

KTN-R-12

KTN-R-80

KTN-R-400

KTN-R-15

KTN-R-90

KTN-R-450

KTN-R-20

KTN-R-100

KTN-R-500

KTN-R-25

KTN-R-110

KTN-R-600

Time-Current Characteristic Curves—Average Melt

Current Limitation Curves

KTN-R (250V) Class RK1

For superior electrical protection, Bussmann recommends upgrading KTN-R
fuse applications to Low-Peak LPN-RK fuses See page 41.

Recommended Fuse Holders & Blocks For Class RK1 Fuses

• See page 19

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

45

Lo
w V

oltage

Branch Circuit

Fuses

Low Voltage, Branch Circuit Rated Fuses

Limitron

™

Fast-acting Fuses

Data Sheet: 1044

Specifications
Description:

Fast-acting, current-limiting

fuse.

Dimensions:

See page 21 for Class RK1

dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 1-600A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-12,

Class RK1, UL Listed, Guide JDDZ, File
E54273, CSA Certified, C22.2 No. 248.12, Class 
1422-02, File 53787.

Features and Benefits

• Current limitation for non-inductive circuits provides Class

RK1 current-limiting response to maximum ground fault and
short-circuit conditions.

• 200kA interrupting rating provides high ratings at all circuit

locations.

• Economical solutions for high-fault circuits.

Typical Applications

• Panelboards

Catalog Numbers (Amps)

KTS-R-1

KTS-R-30

KTS-R-125

KTS-R-2

KTS-R-35

KTS-R-150

KTS-R-3

KTS-R-40

KTS-R-175

KTS-R-4

KTS-R-45

KTS-R-200

KTS-R-5

KTS-R-50

KTS-R-225

KTS-R-6

KTS-R-60

KTS-R-250

KTS-R-8

KTS-R-70

KTS-R-300

KTS-R-10

KTS-R-75

KTS-R-350

KTS-R-12

KTS-R-80

KTS-R-400

KTS-R-15

KTS-R-90

KTS-R-450

KTS-R-20

KTS-R-100

KTS-R-500

KTS-R-25

KTS-R-110

KTS-R-600

KTS-R (600V) Class RK1

For superior electrical protection, Bussmann recommends upgrading KTN-R
fuse applications to Low-Peak LPN-RK fuses See page 41.

Recommended Fuse Holders & Blocks For Class RK1 Fuses

• See page 19

600

100

60

AMPERE

RA

TING

30

400

200

200,000

100,000

10,000

1,000

1,000

INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS

400,000

100,000

10,000

RMS SYMMETRICAL CURRENTS IN AMPERES

A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS  AMPS)

B

A

Current-Limitation Curves

RMS SYMMETRICAL CURRENT IN AMPERES

TIME IN SECONDS

300

100

10

1

.1

.01

40

100

1,000

10,000

30A

60A

100A

200A

400A

600A

AMPERE
RATING

Time-Current Characteristic Curves–Average Melt

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46

Low Voltage, Branch Circuit Rated Fuses

60

100

200

400

600

30

15

10

8

Time-Current Characteristic Curves—Average Melt

Fusetron

™

Energy Efficient, Dual-element, Time-delay Fuses

Specifications
Description:

Dual-element, time-delay

fuse – 10 seconds (minimum) at 500%
rated amps (8 seconds for 0-30A sizes).
Available with indication on select ratings
(see Catalog Numbers table).

Dimensions:

See page 15 for Class RK5

dimensions.

Ratings:

Volts — 250Vac (or less)

— 125Vdc (

1

⁄

10

-60A, 110-200A)

— 250Vdc (225-600A)

Amps — 

1

⁄

10

-600A

IR — 200kA RMS Sym.

— 20kA DC

Agency Information:

CE, Std. 248-12, Class RK5, 

UL Listed, Guide JDDZ, File E4273, CSA Certified, Class
1422-01, File 53787.

Features and Benefits

• Separate overload and short-circuit elements provide time

delay for sizing as close as 125% of motor FLA. 

• 2:1 selective coordination amp ratio (within the Cooper

Bussmann RK5 fuse family) prevents overcurrent events
from opening upstream Fusetron fuses.

• Insulated end caps for 225A-600A fuses reduces exposure

to live parts and extends air gap to distance between
blades of adjacent mounted fuses or to housing.

Typical Applications

• Power Panelboards
• Motor Control Centers

Catalog Numbers (Amps)

FRN-R-

1

⁄

10

FRN-R-2

FRN-R-10*

FRN-R-100

FRN-R-

1

⁄

8

FRN-R-2-

1

⁄

4

FRN-R-12*

FRN-R-110

FRN-R-

15

⁄

100

FRN-R-2-

1

⁄

2

FRN-R-15*

FRN-R-125

FRN-R-

2

⁄

10

FRN-R-2-

8

⁄

10

FRN-R-17-

1

⁄

2

*

FRN-R-150

FRN-R-

1

⁄

4

FRN-R-3

FRN-R-20*

FRN-R-175

FRN-R-

3

⁄

10

FRN-R-3-

2

⁄

10

FRN-R-25*

FRN-R-200

FRN-R-

4

⁄

10

FRN-R-3-

1

⁄

2

FRN-R-30*

FRN-R-225

FRN-R-

1

⁄

2

FRN-R-4

FRN-R-35*

FRN-R-250

FRN-R-

6

⁄

10

FRN-R-4-

1

⁄

2

FRN-R-40*

FRN-R-300

FRN-R-

8

⁄

10

FRN-R-5

FRN-R-45*

FRN-R-350

FRN-R-1

FRN-R-5-

6

⁄

10

FRN-R-50*

FRN-R-400

FRN-R-1-

1

⁄

8

FRN-R-6

FRN-R-60*

FRN-R-450

FRN-R-1-

1

⁄

4

FRN-R-6-

1

⁄

4

FRN-R-70

FRN-R-500

FRN-R-1-

4

⁄

10

FRN-R-7

FRN-R-75

FRN-R-600

FRN-R-1-

1

⁄

2

FRN-R-7-

1

⁄

2

FRN-R-80

FRN-R-1-

6

⁄

10

FRN-R-8*

FRN-R-85

FRN-R-1-

8

⁄

10

FRN-R-9*

FRN-R-90

Data Sheets: 1019 (

1

⁄

10

-60) and 1020 (70-600)

Data Sheet: 1169 (8-60) FRN-R with indication

Instantaneous Peak Let-Through Current Amps

 

RMS Symmetrical Currents In Amps

A–B = Asymmetrical Available Peak (2.3 x Sym RMS Amps)

400,000

100,000

10,000

1,000

1,000

10,000

100,000

200,000

60

600

100

Amp

Rating

400

200

B

A

30

FRN-R

Current Limitation Curves

FRN-R (250V) Class RK5

*Available with indication. To order, place “ID” at the end of the catalog number.
Example: FRN-R-30ID

• Combination Starters
• Machinery Disconnects

Recommended Fuse Reducers For Class R Fuses

• See page 20

For superior electrical protection, Bussmann recommends upgrading FRN-R fuse
applications to Low-Peak LPN-RK fuses. See page 41.

Recommended Fuse Holders & Blocks For Class RK5 Fuses

• See page 19

Available

With

Indication

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47

Lo
w V

oltage

Branch Circuit

Fuses

Fusetron

™

Energy Efficient, Dual-element, Time-delay Fuses

600A

100A

Amp 

Rating

400A

200A

60A

Instantaneous Peak Let-Through Current 

Amps

 

RMS Symmetrical Currents In Amps

A–B = Asymmetrical Available Peak (2.3 x Sym RMS Amps)

B

A

400,000

100,000

10,000

1,000

1,000

10,000

100,000

FRS-R (600V)

30A

200,000

15A

Time-Current Characteristic Curves—Average Melt

Current Limitation Curves

FRS-R (600V) Class RK5

Specifications

Description:

Dual-element, time-delay fuse – 10

seconds (minimum) at 500% rated amps. Now
available with optional indication on select ratings
(see Catalog Numbers table).

Dimensions:

See page 15 for Class RK5 dimensions.

Ratings:

.

Agency Information:

CE, Std. 248-12, 

Class RK5, UL Listed, Guide JDDZ, File E4273, CSA
Certified, Class 1422-02, File 53787.

Features and Benefits

• 2:1 selective coordination ratio (within RK5 fuse family)

prevents electrical shutdowns from extending beyond the
failed circuit.

• Insulated end caps for 65-600A fuses reduces exposure to

live parts and extends air gap to distance between blades
of adjacent mounted fuses or to housing.

Typical Applications

• Power Panelboards
• Motor Control Centers

Catalog Numbers (Amps)

FRS-R-

1

⁄

10

FRS-R-2

FRS-R-10*

FRS-R-100

FRS-R-

1

⁄

8

FRS-R-2-

1

⁄

4

FRS-R-12*

FRS-R-110

FRS-R-

15

⁄

100

FRS-R-2-

1

⁄

2

FRS-R-15*

FRS-R-125

FRS-R-

2

⁄

10

FRS-R-2-

8

⁄

10

FRS-R-17-

1

⁄

2

*

FRS-R-150

FRS-R-

1

⁄

4

FRS-R-3

FRS-R-20*

FRS-R-175

FRS-R-

3

⁄

10

FRS-R-3-

2

⁄

10

FRS-R-25*

FRS-R-200

FRS-R-

4

⁄

10

FRS-R-3-

1

⁄

2

FRS-R-30*

FRS-R-225

FRS-R-

1

⁄

2

FRS-R-4

FRS-R-35*

FRS-R-250

FRS-R-

6

⁄

10

FRS-R-4-

1

⁄

2

FRS-R-40*

FRS-R-300

FRS-R-

8

⁄

10

FRS-R-5

FRS-R-45*

FRS-R-350

FRS-R-1

FRS-R-5-

6

⁄

10

FRS-R-50*

FRS-R-400

FRS-R-1-

1

⁄

8

FRS-R-6*

FRS-R-60*

FRS-R-450

FRS-R-1-

1

⁄

4

FRS-R-6-

1

⁄

4

*

FRS-R-65

FRS-R-500

FRS-R-1-

4

⁄

10

FRS-R-7*

FRS-R-70

FRS-R-600

FRS-R-1-

1

⁄

2

FRS-R-7-

1

⁄

2

*

FRS-R-75

FRS-R-1-

6

⁄

10

FRS-R-8*

FRS-R-80

FRS-R-1 

8

⁄

10

FRS-R-9*

FRS-R-90

Data Sheet: 1017 (

1

⁄

10

-60), 1018 (65-600)

Data Sheet: 1070 (6-60) FRS-R with Indication

For superior electrical protection, Bussmann recommends upgrading FRS-R fuse 
applications to Low-Peak LPS-RK fuses. See page 41.

Recommended Fuse Holders & Blocks For Class RK5 Fuses

• See page 19

Recommended Fuse Reducers For Class R Fuses

• See page 20

• Combination Starters
• Machinery Disconnects

*Available with indication. To order, place “ID” at the end of the catalog number. 
Example: FRS-R-7ID.

Available

With

Indication

Volts — 600Vac (or less)

Amps — 

1

⁄

10

-30A

IR — 200kA RMS Sym.

— 20kA @300Vdc

Amps — 35-60A

IR — 200kA RMS Sym.

— 20kA @250Vdc

Amps — 65-600A

IR — 200kA RMS Sym.

— 20kA @250Vdc

Low Voltage, Branch Circuit Rated Fuses

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

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48

Low Voltage, Branch Circuit Rated Fuses

T-Tron

™

Fast-acting Fuses

Data Sheet: 1025

Specifications
Description:

Fast-acting, 

current-limiting fuse.

Dimensions:

See page 16 for Class T

dimensions.

Ratings:

Volts — 300Vac (or less)

— 160Vdc (15-600A)

— 170Vdc (601-1200A)

Amps — 1-1200A

IR — 200kA RMS Sym.

— 20kA DC @ 160Vdc

— 100kA DC @ 170Vdc

Agency Information:

CE, Std. 248-15, Class T, UL Listed,

Guide JDDZ, File E4273, CSA Certified, Class 1422-02, File
53787.

Features and Benefits

• Series combination ratings with branch circuit breakers

allows broad range of coverage, independent of breaker
manufacturer.

• Current limitation for non-inductive circuits provides Class T

current-limiting response to maximum ground fault and
short-circuit conditions.

• 200kA interrupting rating provides high ratings at all

circuit locations.

• Small footprint allows more efficient use of available space.

Typical Applications

• Large Apartment Complexes
• Multi-Family Meter Stacks
• VFD Line Protection

Catalog Numbers (Amps)

JJN-1

JJN-15

JJN-40

JJN-80

JJN-150

JJN-300

JJN-600

JJN-2

JJN-20

JJN-45

JJN-90

JJN-175

JJN-350

JJN-700

JJN-3

JJN-25

JJN-50

JJN-100

JJN-200

JJN-400

JJN-800

JJN-6

JJN-30

JJN-60

JJN-110

JJN-225

JJN-450

JJN-1000

JJN-10

JJN-35

JJN-70

JJN-125

JJN-250

JJN-500

JJN-1200

JJN Class T

Current Limitation Curves

JJN

Time-Current Characteristic Curves—Average Melt

Recommended Fuse Holders & Blocks For Class T Fuses

• See page 19

Courtesy of Steven Engineering, Inc. - (800) 258-9200 - sales@steveneng.com - www.stevenengineering.com

For product data sheets, visit www.cooperbussmann.com/DatasheetsEle

49

Lo
w V

oltage

Branch Circuit

Fuses

Low Voltage, Branch Circuit Rated Fuses

Specifications
Description:

Very fast-acting, 

current-limiting fuse.

Dimensions:

See page 16 for Class T

dimensions.

Ratings:

Volts — 600Vac (or less)

Amps — 1-800A

IR — 200kA RMS Sym.

Agency Information:

CE, Std. 248-15, Class T, UL Listed,

Guide JDDZ, File E4273, CSA Certified, Class 1422-02, File
53787.

Features and Benefits

• Series combination ratings with branch circuit breakers

allows broad range of coverage, independent of breaker
manufacturer.

• Current limitation for non-inductive circuits provides Class T

current-limiting response to maximum ground fault and
short-circuit conditions.

• 200kA interrupting rating provides high ratings at all

circuit locations.

• Small footprint allows more efficient use of available space.

Typical Applications

• Large Apartment Complexes
• Multi-Family Meter Stacks
• VFD Line Protection

Catalog Numbers (Amps)

JJS-1

JJS-15

JJS-40

JJS-80

JJS-150

JJS-300

JJS-600

JJS-2

JJS-20

JJS-45

JJS-90

JJS-175

JJS-350

JJS-800

JJS-3

JJS-25

JJS-50

JJS-100

JJS-200

JJS-400

JJS-6

JJS-30

JJS-60

JJS-110

JJS-225

JJS-450

JJS-10

JJS-35

JJS-70

JJS-125

JJS-250

JJS-500

Data Sheet: 1029

JJS Class T

T-Tron

™

Fast-acting Fuses

JJS

JJS

Time-Current Characteristic Curves—Average Melt

Recommended Fuse Holders & Blocks For Class T Fuses

• See page 19

Current Limitation Curves

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50

Low Voltage, Branch Circuit Rated Fuses

Plug Fuses

Data Sheets: 1033 (SL) & 1035 (TL)

Specifications
Description:

Fast-acting plug

fuse.

Dimensions:

Edison base plug.

Construction:

Brass threads

with plastic body.

Ratings:

Volts — 125Vac

Amps — 

1

⁄

2

-12A

IR — 10kA RMS Sym.

Agency Information:

CE, Std. 248-11, UL Listed, Guide

JEFV, File E12112.

Features and Benefits

• Dependable, fast-acting circuit protection with 10kA

interrupting rating for added safety when applied to existing
plug fuse systems and 125-volt single-phase control
circuits.

Typical Applications

• Replacement only in existing systems.
• For general purpose circuit protection.
• Use for lighting and other non-motor circuits.

Catalog Numbers* (Amps)

W-

1

⁄

2

W-2 

1

⁄

2

W-6

W-10

W-1

W-3

W-6 

1

⁄

2

W-12

W-1 

8

⁄

10

W-4

W-7

W-DUMMY**

W-2

W-5

W-8

*W-15, W-20, W-25, and W-30 plug fuses obsoleted. Suggest replacing with either T-(Amp)
or TL-(Amp) plug fuses.

** Non-conductive dummy base. Not a fuse.

Specifications
Description:

Time-delay,

loaded link plug fuse.

Dimensions:

SL — Rejection base

TL — Edison base

Construction:

SL — Plastic base with rejection threads

TL — Brass threads with plastic body

Ratings:

Volts — 125Vac

Amps — 15-30A

IR — 10kA RMS Sym.

Agency Information:

CE, Std. 248-11, UL Listed, Guide

JEFV, File E12112.

Features and Benefits

• Time-delay loaded link TL Series Edison base plug fuses

pass motor overload starting currents without opening and
allow closer sizing to motor load for added protection.

• Time-delay loaded link SL Series fuses provide a rejection

feature (when used alone or with Fustat adapters to retrofit
Edison base holders) to help prevent overfusing.

Typical Applications

• Small motor and inductive load circuits with high in-rush

current levels.

• Used with box cover units to provide equipment protection.
• Applications benefiting from fuse rejection (SL Series only).

SL Catalog Numbers (Amps)

SL-15

SL-20

SL-25

SL-30

TL Catalog Numbers (Amps)

TL-15

TL-20

TL-25

TL-30

W Series

SL and TL Series

Recommended Fuse Holders For W Series Plug Fuses

• See page 20

Recommended Fuse Holders For SL & TL Series Plug Fuses

• See page 20
• See page 52 for Fustat adapters for use with SL Series

Data Sheet: 1036

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