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

KLSR0400

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 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

0RLS020.T

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

LLSRK01.8.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 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

LLSRK01.4.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 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

KLSR0350

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

350 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

0KLC020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 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

0RLS500.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 A

Tab/Blade

10 kA

3.094 in (78.6 mm)

13.374 in (339.7 mm)

CE; CSA; UL

0KLC300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2 in (50.8 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0030

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

30 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

LLSRK.150.T

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)

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

0KLC050.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0500

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)

13.374 in (339.7 mm)

CE; CSA; UL

Fast

LLSRK003.TXID

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

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

0RLS300.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

LLSRK025.TXID

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

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

L60S006.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

6 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

0NLS100.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

100 A

Tab/Blade

158 kJ

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

1.311 in (33.3 mm)

Indicator

7.874 in (200 mm)

CSA; UL

KLSR0003

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

3 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

L60S035.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

35 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

0KLC003.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 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

LLSRK030.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

30 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

LLSRK1.12.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.125 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

0RLS200.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

200 A

Tab/Blade

10 kA

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CE; CSA; UL

KLSR0005

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

5 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

KLSR0045

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)

5.5 in (139.7 mm)

CE; CSA; UL

Fast

LLSRK.100.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 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

0JTD200.XID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

159 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

1.5 in (38.1 mm)

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

0KLC040.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)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0RLS010.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

LLSRK007.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 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

LLSRK050.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 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

0RLS400.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

0RLS110.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

110 A

Tab/Blade

10 kA

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CE; CSA; UL

LLSRK004.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4 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

0JTD060.TID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

60 A

End Cap

10.45 kJ

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

Indicator

2.374 in (60.3 mm)

CSA; UL

Time Delay

LLSRK03.5.TXID

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)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

0JTD003.TID

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

0NLS200.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

200 A

Tab/Blade

371 kJ

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

1.843 in (46.8 mm)

Indicator

9.626 in (244.5 mm)

CSA; UL

KLSR0010

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

10 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

L60S001.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 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

0KLC080.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

80 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

LLSRK.500.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 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

L60S004.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

4 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

0KLC012.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

12 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

0RLS002.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

2 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

L60S090.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

90 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1.063 in (27 mm)

2.906 in (73.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0KLC350.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

350 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2 in (50.8 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK2.25.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.25 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

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.