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

LLSRK110.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

Indicator

9.626 in (244.5 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK01.6.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 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

0JTD100.VID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 A

Tab/Blade

68.15 kJ

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.126 in (28.6 mm)

Indicator

2.626 in (66.7 mm)

CSA; UL

Time Delay

0KLC100.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

100 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

LLSRK009.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

9 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

KLSR0002

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

2 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

KLSR0450

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)

13.374 in (339.7 mm)

CE; CSA; UL

Fast

0KLC015.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

15 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

0RLS003.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

0RLS050.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

LLSRK450.TXID

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

13.374 in (339.7 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK012.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 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

0KLC150.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

150 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

0JTD600.XID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

600 A

Tab/Blade

1.97 MJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

2.5 in (63.5 mm)

Indicator

3.752 in (95.3 mm)

CSA; UL

Time Delay

L60S002.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

2 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

LLSRK175.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

Indicator

9.626 in (244.5 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK075.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

75 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

0RLS090.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

90 A

Tab/Blade

10 kA

1.311 in (33.3 mm)

7.874 in (200 mm)

CE; CSA; UL

LLSRK250.TXID

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)

Indicator

11.626 in (295.3 mm)

CE; CSA; UL; QPL

Time Delay

0KLC250.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 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

0JTD400.XID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

1.055 MJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

2 in (50.8 mm)

Indicator

3.374 in (85.7 mm)

CSA; UL

Time Delay

KLSR0200

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)

9.626 in (244.5 mm)

CE; CSA; UL

Fast

0KLC005.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

5 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

0KLC001.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 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

LLSRK125.TXID

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)

Indicator

9.626 in (244.5 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK225.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

11.626 in (295.3 mm)

CE; CSA; UL; QPL

Time Delay

0RLS008.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

8 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

0JTD010.TID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 A

End Cap

1.69 kJ

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

L60S030.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

30 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

LLSRK040.TXID

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)

Indicator

5.5 in (139.7 mm)

CE; CSA; UL; QPL

Time Delay

0KLC125.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

125 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

PSR033DL2000X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

2 kA

Tab/Blade

1.234 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 480 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR032DS1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032DL1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031DL0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033DS2000X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

2 kA

Tab/Blade

1.234 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 480 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR031DS0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

KLKD003.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

-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; VDE

125 °C (257 °F)

Fast

LDC1000

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

LLSRK010

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 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

KLK007

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

7 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

FLSR110.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

IDSR007.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

7 A

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

LGD80

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

80 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

KLKD030.

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

30 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

04611.25EER

Littelfuse

Electric Fuse

Surface Mount

600 V

600 V

1.25 A

Wraparound

14.2 J

-55 °C (-67 °F)

60 A

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

EN; IEC; UL

125 °C (257 °F)

IDSR6.25ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

6.25 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

IDSR02.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

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

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.