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

IDSR009ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

9 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

FLSR025ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 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

PSR033FS2000Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

2 kA

Threaded

1.234 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

2.008 in (51 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

BLS3/4

Littelfuse

Electric Fuse

Inline/Holder

600 V

750 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

KLKR004.

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

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

FLSR040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

L60S17.5

Littelfuse

Electric Fuse

Inline/Holder

600 V

17.5 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

IDSR150ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

150 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

FLSR008ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 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

FLSR200ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

Indicator

1.843 x 9.626 in (46.8 x 244.5 mm)

9.626 in (244.5 mm)

CSA; QPL; UL

Time Delay

FLSR25ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLKD030.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

30 A

End Cap

3.22 kJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

NLS600

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

600 A

Tab/Blade

6.92 MJ

50 kA

3.094 in (78.6 mm)

3.094 x 8.87 in (78.6 x 225.3 mm)

13.358 in (339.3 mm)

CE; CSA; UL

IDSR035

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.063 in (27 mm)

1 x 5.5 in (25.4 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

RLS070

Littelfuse

Electric Fuse

Inline/Holder

600 V

70 A

Tab/Blade

10 kA

1.311 in (33.3 mm)

7.874 in (200 mm)

CE; CSA; UL

CCMR.300T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

300 mA

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 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

LLSRK090

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

1.311 x 7.874 in (33.3 x 200 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

KLKD1/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

141 µs

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)

CSA, UL

125 °C (257 °F)

Fast

JTD025ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

SLC004

Littelfuse

Electric Fuse

Inline/Holder

600 V

4 A

End Cap

100 kA

0.406 in (10.3 mm)

0.406 x 1.311 in (10.3 x 33.3 mm)

1.311 in (33.3 mm)

CSA; UL

Medium Time Delay

CCMR009.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

9 A

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 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

RLS350

Littelfuse

Electric Fuse

Inline/Holder

600 V

350 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

IDSR1.12

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.125 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

IDSR004

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

4 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

CCMR.250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

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

KLDR012.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 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

KLKD30

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

30 A

End Cap

1.409 kJ

-55 °C (-67 °F)

100 kA

1.207 ms

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

2.266 ms

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)

CSA, UL

125 °C (257 °F)

Fast

07945814859

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

5 A

Tab/Blade

34.163 J

-55 °C (-67 °F)

100 kA

347 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

607 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; IEC; UL

125 °C (257 °F)

Fast

KLKD020R

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

2.12 kJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

2CC400

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

400 A

Tab/Blade

200 kA

2CC

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

JTD3ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

820 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

L60S30

Littelfuse

Electric Fuse

Inline/Holder

600 V

30 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

KLDR020.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 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

LDC0601

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

601 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 50000

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

KLPC250.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

250 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

FLSR015.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

250 V

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

IDSR.250T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 mA

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

CCMR01.4HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 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

KLSR090

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

7.874 in (200 mm)

CSA; UL

Fast

RLS025

Littelfuse

Electric Fuse

Inline/Holder

600 V

25 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

LLSRK250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

LDC650

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

650 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE, UL

Fast

LFCL500C1

Littelfuse

Electric Fuse

Inline/Holder

600 V

Pin Wire

200 kA

JTD01.6ID

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

0.811 in (20.6 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

KLKD006.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

6 A

End Cap

35 mJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

600 V

0.394 x 1.496 in (10 x 38 mm)

1.5 x 1.5 in (38.1 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL; VDE

125 °C (257 °F)

Fast

KLDR002.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 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

FLSR015.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

2CO015

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

15 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

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.