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

FLSR035.TXID

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)

Indicator

5.5 in (139.7 mm)

CSA; UL

Time Delay

0BLS004.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

4 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

FLSR080.VXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

80 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.283 in (32.6 mm)

Indicator

7.874 in (200 mm)

CSA; UL

Time Delay

JLLS1100X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.626 in (66.7 mm)

2.303 in (58.5 mm)

CE; CSA; UL

Fast

FLSR025.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

FLSR010.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

0BLS010.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

FLSR02.8TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

FLSR.300TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

FLSR225.XXID

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)

Indicator

11.626 in (295.3 mm)

CSA; UL

Time Delay

JLLS1000XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.626 in (66.7 mm)

2.303 in (58.5 mm)

CE; CSA; UL

Fast

0BLS005.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

5 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

KLKD.500.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Fast

KLKD.300.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Fast

KLKD.750.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

750 mA

End Cap

234 mJ

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Fast

KLDR009HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

9 A

End Cap

73.4 J

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

0KLC007.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

7 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0004

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

4 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

Fast

LLSRK090.TXID

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)

Indicator

7.874 in (200 mm)

CE; CSA; UL; QPL

Time Delay

0NLS015.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

15 A

End Cap

4.94 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CSA; UL

0NLS060.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 V

60 A

End Cap

164 kJ

200 kA

Rated Breaking Capacity at 400 VDC: 20000 A

1.063 in (27 mm)

Indicator

5.5 in (139.7 mm)

CSA; UL

0KLC500.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.5 in (63.5 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK006.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK500.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

13.374 in (339.7 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK.400.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

0RLS045.T

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

0KLC110.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

110 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1.5 in (38.1 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

L60S040.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

2.78 in (70.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0250

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)

11.626 in (295.3 mm)

CE; CSA; UL

Fast

LLSRK17.5.TXID

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

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

KLSR0006

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

6 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0KLC700.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

700 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.5 in (63.5 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

L60S015.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

15 A

End Cap

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0KLC025.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

25 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK002.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

KLSR0125

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CE; CSA; UL

Fast

LLSRK02.8.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

0KLC010.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

L60S025.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

25 A

End Cap

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0RLS175.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

175 A

Tab/Blade

10 kA

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CE; CSA; UL

LLSRK080.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

80 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

Indicator

7.874 in (200 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK03.2.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

KLSR0025

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0RLS005.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

5 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

LLSRK035.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

Indicator

5.5 in (139.7 mm)

CE; CSA; UL; QPL

Time Delay

0KLC070.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

70 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1 in (25.4 mm)

2.874 in (73 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0070

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

7.874 in (200 mm)

CE; 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.