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

KLDR1.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

436.7 mJ

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

KLKD003.HXR

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

-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

KLKR02.5

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 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

2CM400

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

400 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

KLSR500

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

13.374 in (339.7 mm)

CSA; UL

Fast

LGD002

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JTD009ID

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)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

KLC030

Littelfuse

Electric Fuse

Inline/Holder

600 V

30 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLC17.5

Littelfuse

Electric Fuse

Inline/Holder

600 V

17.5 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

2CC250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

250 A

Tab/Blade

200 kA

2CC

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

KLSR250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Fast

IDSR2.80

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.8 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC; 20000

Indicator

CSA; MSHA; UL

Time Delay

KLKD025.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

25 A

End Cap

2.085 kJ

-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

KLDR01.8TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

996.4 mJ

Nickel

200 kA

12 s

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

Time Delay

0JLS125.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

125 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

LVSP0060T

Littelfuse

Electric Fuse

Inline/Holder

600 V

60 A

Tab/Blade

39.24 kJ

200 kA

0.816 in (20.73 mm)

2.25 in (57.15 mm)

UL

LGD1

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

FLSR0.4ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 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

NLS030

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

30 A

End Cap

21.6 kJ

50 kA

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CE; CSA; UL

KLPC0350

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

350 A

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 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)

CSA; UL

Time Delay

JTD1ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

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

FLSR040ID

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

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; QPL; UL

Time Delay

RLS100

Littelfuse

Electric Fuse

Inline/Holder

600 V

100 A

Tab/Blade

10 kA

1.311 in (33.3 mm)

7.874 in (200 mm)

CE; CSA; UL

LDC1500

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.5 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

KLC025

Littelfuse

Electric Fuse

Inline/Holder

600 V

25 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLKD7

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

7 A

End Cap

105.143 J

-55 °C (-67 °F)

100 kA

505 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

898 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

JLLS700

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 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

IDSR090ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

90 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

IDSR450.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

3.043 in (77.3 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

CCMR03.5HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.5 A

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

KLPC1100.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.1 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

JLLS060.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

60 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.992 in (25.2 mm)

600 V

1.563 in (39.7 mm)

CE; CSA; UL

Fast

FLSR090

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

KLDR006.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6 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

NLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 V

45 A

End Cap

50 kA

Rated Breaking Capacity at 400 VDC; 20000

1.063 in (27 mm)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

KLKD008

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

8 A

End Cap

656 mJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

600 V

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

KLDR020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 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.400T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 mA

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

L60S500

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 A

Tab/Blade

-55 °C (-67 °F)

200 kA

2.079 in (52.8 mm)

2.079 x 2.874 in (52.8 x 73 mm)

2.874 in (73 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK004

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)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

0JLS035.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

35 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

FLSR3ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

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

FLSR6.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6.25 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Time Delay

CCMR05.6

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5.6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.406 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

RLS035

Littelfuse

Electric Fuse

Inline/Holder

600 V

35 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

KLKR10

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

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)

CSA; UL

Fast

FLSR.500ID

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)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

KLDR05.6TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5.6 A

End Cap

87.66 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

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.