600 V Fuses 2,400+

Reset All
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

FLSR6.25ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6.25 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

KLKD025.HXR

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

25 A

End Cap

2.085 kJ

-55 °C (-67 °F)

Nickel

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 0.406 x 1.5 in (38.1 x 10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

LFCL250A6

Littelfuse

Electric Fuse

Inline/Holder

600 V

Pin Wire

200 kA

KLC70

Littelfuse

Electric Fuse

Inline/Holder

600 V

70 A

Tab/Blade

200 kA

1 in (25.4 mm)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

JTD020ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 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

KLDR07.5HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7.5 A

End Cap

321.8 J

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

KLPC5000

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

5 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

7.126 in (181 mm)

7.126 x 4 in (181 x 101.6 mm)

4 in (101.6 mm)

CSA; UL

Time Delay

KLKD4

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

4 A

End Cap

18.945 J

-55 °C (-67 °F)

100 kA

284 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

507 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, IEC, UL, VDE

125 °C (257 °F)

Fast

RLS015

Littelfuse

Electric Fuse

Inline/Holder

600 V

15 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

LLSRK05.6ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5.6 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; UL

Time Delay

LLSRK2.50ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

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; UL

Time Delay

KLKR006.

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6 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

KLKR007

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

Tab/Blade

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

KLDR001.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

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

Time Delay

KLKD012R

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

12 A

End Cap

440 J

-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

KLK.125

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

125 mA

End Cap

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

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)

CSA; UL

Fast

LLSRK020

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

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

KLSR100

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 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

IDSR300

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 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

JTD008ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 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

RLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

FLSR45ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

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

LLSRK6.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6.25 A

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

IDSR070.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.283 in (32.6 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

JLS015

Littelfuse

Electric Fuse

Inline/Holder

600 V

15 A

End Cap

200 kA

Bulk

0.811 in (20.6 mm)

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

KLKR.125

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 mA

Tab/Blade

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

JTD01.6

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)

2.252 in (57.2 mm)

CSA; UL

Time Delay

JTD250

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

3.374 in (85.7 mm)

CSA; UL

Time Delay

KLKR.250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

Tab/Blade

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

LLSRK.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; UL

Time Delay

KLPC1000.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1 kA

Tab/Blade

200 kA

10.752 in (273.1 mm)

L

600 V

10.752 x 3.752 in (273.1 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Lag

LGD5

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

KLDR1.12T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.12 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

KLDR.187TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

187 mA

End Cap

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

FLSR17.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

17.5 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

IDSR2.50

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC; 20000

Indicator

CSA; MSHA; UL

Time Delay

FLSR225

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

225 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

CCMR.250TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

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

0JLS050.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 A

End Cap

200 kA

1.063 in (27 mm)

J

600 V

1.063 x 2.374 in (27 x 60.3 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

L60S012

Littelfuse

Electric Fuse

Inline/Holder

600 V

12 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

LDC1350

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.35 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

3 in (76.2 mm)

3 x 3.752 in (76.2 x 95.3 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

KLC3

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

Tab/Blade

200 kA

0.563 in (14.3 mm)

0.563 x 1.874 in (14.3 x 47.6 mm)

1.874 in (47.6 mm)

CSA; UL

Fast

KLDR008

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

111.2 J

Nickel

200 kA

12 s

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

LDC1900

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.9 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

3.5 in (88.9 mm)

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

IDSR2.25ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.25 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JTD045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

2.374 in (60.3 mm)

CSA; UL

Time Delay

FLSR90ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

Tab/Blade

200 kA

1.311 in (33.3 mm)

Indicator

1.311 x 7.874 in (33.3 x 200 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

JLLS025

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 1.5 in (14.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

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.