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

JLLS003.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

600 V

1.5 in (38.1 mm)

CE; CSA; UL

Fast

KLK1/8

Littelfuse

Electric Fuse

Inline/Holder

600 V

125 mA

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)

UL

Fast

CCMR002.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

2 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

JLLS800

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 1.858 in (63.5 x 47.2 mm)

1.858 in (47.2 mm)

UL

Fast

IDSR100.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

100 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

FLSR0.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 mA

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

IDSR6.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

6.25 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

KLK2

Littelfuse

Electric Fuse

Inline/Holder

600 V

2 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

KLK008

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

8 A

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)

1.5 in (38.1 mm)

CSA; UL

Fast

0JLS150.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

150 A

Tab/Blade

200 kA

Bulk

1.5 in (38.1 mm)

J

600 V

1.5 x 3 in (38.1 x 76.2 mm)

3 in (76.2 mm)

CE; CSA; QPL; UL

Fast

LDC1800

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.8 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

0JLS350.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

350 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

J

600 V

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

KLKR030.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

30 A

Tab/Blade

1.72 kJ

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

LA60X2000-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

2 kA

End Cap

100 kA

4.488 in (114 mm)

600 V

4.488 x 3.752 in (114 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

KLKD015.

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

15 A

End Cap

100 kA

Rated Breaking Capacity at 600 VDC: 10000 A

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; UL

Fast

L60S150.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

150 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1.311 in (33.3 mm)

2.906 in (73.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLKD21/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

End Cap

5.142 J

-55 °C (-67 °F)

100 kA

186 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

387 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

LA60Q15-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

15 A

End Cap

180 J

200 kA

Rated Breaking Capacity at 600 VDC: 100000 A

0.406 in (10.32 mm)

0.406 x 1.5 in (10.32 x 38.1 mm)

1.5 in (38.1 mm)

UL

Very Fast

L60S35

Littelfuse

Electric Fuse

Inline/Holder

600 V

35 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

0.811 x 2.78 in (20.6 x 70.6 mm)

2.78 in (70.6 mm)

CSA; UL

Fast

SPFJ125.X

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

Bulk

1.5 in (38.1 mm)

Midget

1.5 x 3 in (38.1 x 76.2 mm)

3.012 in (76.5 mm)

CE; IEC; UL

CCMR060

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

60 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.85 in (21.6 mm)

0.85 x 1.882 in (21.6 x 47.8 mm)

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

PSR031FL0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Threaded

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

JLLS175.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.079 in (27.4 mm)

600 V

1.657 in (42.1 mm)

CE; CSA; UL

Fast

LLSRK4.50ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

KLSR200

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CSA; UL

Fast

IDSR03.1ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.1 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

KLDR03.2

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 A

End Cap

37.92 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

KLDR.750HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

750 mA

End Cap

291.1 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

FLSR006.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

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

0LDC1601.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.601 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

3 in (76.2 mm)

L

600 V

3.752 in (95.3 mm)

CE, CSA, UL

Fast

JTD009

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

9 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

JTD001ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 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

KLKR.250T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

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

KLLU700

Littelfuse

Electric Fuse

Inline/Holder

600 V

700 A

Tab/Blade

200 kA

2.5 in (63.5 mm)

L

600 V

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

IDSR17.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

17.5 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

IDSR.150T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

150 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

LLSRK03.5

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.5 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

LLSRK17.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

17.5 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

NLS500

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

500 A

Tab/Blade

50 kA

Rated Breaking Capacity at 500 VDC; 50000

3.094 in (78.6 mm)

3.094 x 8.87 in (78.6 x 225.3 mm)

8.87 in (225.3 mm)

CSA; UL

LLSRK2.80ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.8 A

End Cap

200 kA

LLSRK

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

07945810199

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

End Cap

5.142 J

-55 °C (-67 °F)

100 kA

186 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

387 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

FLSR40ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 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

FLSR450ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; QPL; UL

Time Delay

LLSRK1.60ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 A

End Cap

200 kA

LLSRK

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

CCMR01.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

1.5 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

LDC0250

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 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

RLS080

Littelfuse

Electric Fuse

Inline/Holder

600 V

80 A

Tab/Blade

10 kA

1.311 in (33.3 mm)

7.874 in (200 mm)

CE; CSA; UL

IDSR005

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

5 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

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.