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

SPFJ350

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

350 A

Tab/Blade

232 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

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

KLKD025R

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

LLSRK250ID

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

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

BLS5

Littelfuse

Electric Fuse

Inline/Holder

600 V

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

0LDC601.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

601 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

L

600 V

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CE, UL

Fast

KLPC0250

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

250 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

FLSR004

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4 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

KLKD5

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

5 A

End Cap

34.163 J

-55 °C (-67 °F)

100 kA

347 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

607 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

IDSR2.25T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.25 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

LGD70

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

FLSR9ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

9 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

LLSRK060

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)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

IDSR600

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

3.043 in (77.3 mm)

3 x 13.374 in (76.2 x 339.7 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

KLLU2500.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

5 in (127 mm)

4 in (101.6 mm)

CE; CSA; UL

Time Delay

SLC.500

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 mA

End Cap

100 kA

0.406 in (10.3 mm)

0.406 x 1.311 in (10.3 x 33.3 mm)

1.311 in (33.3 mm)

CSA; UL

Medium Time Delay

NLS110

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

110 A

Tab/Blade

50 kA

Rated Breaking Capacity at 600 VDC; 50000

1.843 in (46.8 mm)

1.843 x 6.878 in (46.8 x 174.7 mm)

6.878 in (174.7 mm)

CSA; UL

FLSR175ID

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

1.843 x 9.626 in (46.8 x 244.5 mm)

9.626 in (244.5 mm)

CSA; QPL; UL

Time Delay

KLLU1350.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.35 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3 in (76.2 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

IDSR050ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

50 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

KLK.750

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

750 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

CCMR01.4

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.406 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

KLPC1400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.4 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

IDSR03.2T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.2 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

KLLU1600.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3 in (76.2 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

LLSRK002ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 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

KLDR.800HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 mA

End Cap

241.6 mJ

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

LDC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE, UL

Fast

PSR031FS0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Threaded

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

CCMR.500HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

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

KLKD20

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

462.056 J

-55 °C (-67 °F)

100 kA

826 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

6.144 ms

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

KLLU1800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.5 in (88.9 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

LDC900

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

900 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

LVSP0030T

Littelfuse

Electric Fuse

Inline/Holder

600 V

30 A

Tab/Blade

11.95 kJ

200 kA

0.816 in (20.73 mm)

2.25 in (57.15 mm)

UL

IDSR010

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

10 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

FLSR600ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; QPL; UL

Time Delay

KLDR01.4TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.4 A

End Cap

813.5 mJ

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

LDC0400

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 50000

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

IDSR250ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JTD350ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

350 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

Indicator

2.126 x 3.374 in (54 x 85.7 mm)

3.374 in (85.7 mm)

CSA; UL

Time Delay

KLDR015.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 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

FLSR007.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLC090

Littelfuse

Electric Fuse

Inline/Holder

600 V

90 A

Tab/Blade

-55 °C (-67 °F)

200 kA

1 in (25.4 mm)

2.874 in (73 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLDR012.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 A

End Cap

154.7 J

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)

CSA; UL

Time Delay

IDSR350

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

350 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

2.5 x 11.626 in (63.5 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

KLLU1200.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.2 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

LLSRK350

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

KLDR012.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 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

KLKD1-R

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 A

Tab/Blade

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 1.53 in (10.31 x 38.86 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

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.