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

JLLS500.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.063 in (52.4 mm)

600 V

1.764 in (44.8 mm)

CE; CSA; UL

Fast

KLPC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

300 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

JLLS1000.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.626 in (66.7 mm)

600 V

5.272 in (133.9 mm)

CE; CUL; UL

Fast

RLS012

Littelfuse

Electric Fuse

Inline/Holder

600 V

12 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

KLPC600

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

600 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

CCMR07.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

7.5 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

LLSRK02.8ID

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

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

L60S4

Littelfuse

Electric Fuse

Inline/Holder

600 V

4 A

End Cap

200 kA

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Fast

L60S010

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

End Cap

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLKD.300H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 mA

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

125 °C (257 °F)

Fast

KLKD003R

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

125 °C (257 °F)

Fast

LGD25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

FLSR125

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

KLKR005

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

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

FLSR060ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

60 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

KLK.200

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

200 mA

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)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

IDSR07.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

7.5 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

LLSRK1.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 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

LLSRK3.50

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)

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

FLSR.200T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 mA

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

KLDR003.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 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

2CO040

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

40 A

Tab/Blade

200 kA

2CO

Rated Breaking Capacity at 250 VDC: 80000 A

1.024 in (26 mm)

1.024 x 2.244 in (26 x 57 mm)

2.244 in (57 mm)

CSA

FLSR012.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 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

L60S003

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK030

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)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

IDSR012ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

12 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JTD004

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4 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

FLSR1ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 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

KLK2/10

Littelfuse

Electric Fuse

Inline/Holder

600 V

200 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

JTD02.8ID

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

0.811 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

IDSR400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

LVSP30-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

30 A

End Cap

11.95 kJ

200 kA

0.812 in (20.62 mm)

2.25 in (57.15 mm)

UL

LVSP0080T

Littelfuse

Electric Fuse

Inline/Holder

600 V

80 A

Tab/Blade

75 kJ

200 kA

0.816 in (20.73 mm)

2.25 in (57.15 mm)

UL

IDSR3.20

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.2 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC; 20000

Indicator

CSA; MSHA; UL

Time Delay

JLLS002

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 1.5 in (14.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

BLS1-1/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Fast

LFCL500A6

Littelfuse

Electric Fuse

Inline/Holder

600 V

Pin Wire

200 kA

JTD007

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 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

KLC150

Littelfuse

Electric Fuse

Inline/Holder

600 V

150 A

Tab/Blade

-55 °C (-67 °F)

200 kA

1.5 in (38.1 mm)

1.5 x 2.843 in (38.1 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

JLS500

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 A

Tab/Blade

200 kA

Bulk

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; QPL; UL

Fast

IDSR02.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JLLS090.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.827 in (21 mm)

600 V

1.626 in (41.3 mm)

CE; CSA; UL

Fast

JTD110ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

Indicator

1.626 x 3 in (41.3 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

0159.500MR

Littelfuse

Electric Fuse

Surface Mount

600 V

500 mA

End Cap

840 mJ

-55 °C (-67 °F)

Nickel

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)

UL

125 °C (257 °F)

JLLS015

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 1.5 in (14.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

KLSR005

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

5 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Fast

KLPC601

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

601 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

FLSR01.4T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 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

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.