600 V Fuses 2,400+

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Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

KLSR400

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Fast

KLDR01.8HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

996.4 mJ

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

KLPC2500

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

2.5 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

5 in (127 mm)

5 x 4 in (127 x 101.6 mm)

4 in (101.6 mm)

CSA; UL

Time Delay

L60S1

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 A

End Cap

200 kA

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Fast

BLS2

Littelfuse

Electric Fuse

Inline/Holder

600 V

2 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Fast

CCMR020.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

918 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

NLS250

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

50 kA

Rated Breaking Capacity at 500 VDC; 50000

2.594 in (65.9 mm)

2.594 x 7.878 in (65.9 x 200.1 mm)

7.878 in (200.1 mm)

CSA; UL

FLSR01.8T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLKR012

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 A

Tab/Blade

350 J

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

FLSR003ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

KLSR450

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

13.374 in (339.7 mm)

CSA; UL

Fast

FLSR035.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

FLSR080

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

80 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

KLLU700.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

KLSR015

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

15 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Fast

LVSP80-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

80 A

End Cap

75 kJ

200 kA

0.812 in (20.62 mm)

2.25 in (57.15 mm)

UL

KLKD.100

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

100 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

FLSR001.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

0461.500

Littelfuse

Electric Fuse

Surface Mount

600 V

250 V

500 mA

End Cap

840 mJ

-55 °C (-67 °F)

Silver

60 A

4 h

Rated Breaking Capacity at 600 V: 40 A, Joule Integral Nom at 250 VDC: 1.3

0.84

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

600 V

560 mΩ

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

CSA; UL

125 °C (257 °F)

Slow

FLSR01.6T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

IDSR060ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

60 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

KLPC600.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

600 A

Tab/Blade

200 kA

8.626 in (219.1 mm)

L

600 V

8.626 x 3.752 in (219.1 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Lag

IDSR225

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

2.5 x 11.626 in (63.5 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

KLKR007.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

KLDR001.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

KLDR

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

LLSRK.600

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

600 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

LFCL350A6

Littelfuse

Electric Fuse

Inline/Holder

600 V

Pin Wire

200 kA

0JLS010.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

End Cap

200 kA

0.811 in (20.6 mm)

J

600 V

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

RLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

7E4PT.6

Littelfuse

Electric Fuse

Inline/Holder

600 V

7 A

End Cap

37.5 kA

0.813 in (20.64 mm)

0.813 x 4.6 in (20.64 x 116.84 mm)

4.6 in (116.84 mm)

Medium

L60S025

Littelfuse

Electric Fuse

Inline/Holder

600 V

25 A

End Cap

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK045ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

Indicator

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

07945810196

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 A

End Cap

678 mJ

-55 °C (-67 °F)

100 kA

94 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

247 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Fast

IDSR125

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

1.752 x 9.626 in (44.5 x 244.5 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

JLLS150

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

1.063 x 1.657 in (27 x 42.1 mm)

1.657 in (42.1 mm)

CSA; UL

Fast

2CO025

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

25 A

Tab/Blade

200 kA

2CO

Rated Breaking Capacity at 250 VDC: 80000 A

0.827 in (21 mm)

0.827 x 2.205 in (21 x 56 mm)

2.205 in (56 mm)

CSA

IDSR03.2ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.2 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

BLS8/10

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 mA

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Fast

KLK1/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

12 A

End Cap

100 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; QPL; UL

Fast

FLSR225.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

IDSR110

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

1.752 x 9.626 in (44.5 x 244.5 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

FLSR.150ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

150 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

KLPC0700

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

SPFJ125L

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

125 A

Tab/Blade

24.75 kJ

200 kA

10 m

Rated Breaking Capacity at 1000 VDC: 20000 A

1.5 in (38.1 mm)

Midget

3.012 in (76.5 mm)

CE; IEC; UL

IDSR175.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

FLSR001ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

CCMR04.5TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

FLSR1.40

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 A

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; UL

Time Delay

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.