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

FLSR050ID

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

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; QPL; UL

Time Delay

IDSR.800T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

800 mA

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

07945894351

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

8 A

Tab/Blade

130.266 J

-55 °C (-67 °F)

100 kA

541 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

945 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; IEC; UL

125 °C (257 °F)

Fast

FLSR300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

LLSRK200ID

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)

Indicator

1.843 x 9.626 in (46.8 x 244.5 mm)

9.626 in (244.5 mm)

CSA; UL

Time Delay

LVSP10

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

1.3 kJ

200 kA

LVSP

1.5 in (38.1 mm)

1.5 in (38.1 mm)

UL

FLSR7ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 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

2CM150

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

150 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

1.614 in (41 mm)

1.614 x 3.031 in (41 x 77 mm)

3.031 in (77 mm)

CSA

07945894352

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

12 A

Tab/Blade

445.01 J

-55 °C (-67 °F)

100 kA

822 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

1.455 ms

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; IEC; UL

125 °C (257 °F)

Fast

KLC50

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

0.811 x 2.752 in (20.6 x 69.9 mm)

2.752 in (69.9 mm)

CSA; UL

Fast

KLDR05.6T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5.6 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

FLSR175.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

175 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

0KLK008.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

8 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

IDSR11/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.125 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

FLSR.125ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 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

KLLU1400

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.4 kA

Tab/Blade

200 kA

3 in (76.2 mm)

L

600 V

3 x 3.752 in (76.2 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

IDSR01.6T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.6 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

JLLS010.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

600 V

1.5 in (38.1 mm)

CE; CSA; UL

Fast

KLDR010.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

10 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

KLKD03.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.5 A

End Cap

-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 x 1.5 in (38.1 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL; VDE

125 °C (257 °F)

Fast

JLS200

Littelfuse

Electric Fuse

Inline/Holder

600 V

200 A

Tab/Blade

200 kA

Bulk

1.5 in (38.1 mm)

1.5 x 3 in (38.1 x 76.2 mm)

3 in (76.2 mm)

CE; CSA; QPL; UL

Fast

IDSR025

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

L60S350.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

350 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1.579 in (40.1 mm)

2.906 in (73.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

CCMR001

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 500 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

KLKR8

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 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

IDSR009

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

9 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLK21/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

2.5 A

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)

CSA; UL

Fast

LGD7

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

KLKR.100T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 mA

Tab/Blade

Nickel

200 kA

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

Fast

KLKD004.

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

4 A

End Cap

100 kA

KLKD

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

KLKD1

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 A

End Cap

678 mJ

-55 °C (-67 °F)

100 kA

94 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

247 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, UL

125 °C (257 °F)

Fast

JLLS070.VXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 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

IDSR200.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

200 mA

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

SPFJ400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

400 A

Tab/Blade

400.5 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

2 in (50.8 mm)

Midget

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; IEC; UL; VDE

JLLS600.XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

600 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

LA060URD32LI1250

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.25 kA

Tab/Blade

410 J

200 kA

LA

Indicator

UL

Very Fast

L60S600

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 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

JTD003ID

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

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

KLKR008.

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 600 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

Fast

FLSR350ID

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)

Indicator

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; QPL; UL

Time Delay

RLS001

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

KLKR025.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

Tab/Blade

200 kA

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

Fast

L60S006

Littelfuse

Electric Fuse

Inline/Holder

600 V

6 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

FLSR045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

LLSRK4.50

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)

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

KLDR04.5TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4.5 A

End Cap

83.89 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

KLDR007.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 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

KLK20

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

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)

CSA; QPL; 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.