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

CCMR008.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

431 J

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

JTD20ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 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

KLPC1900.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.9 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

10E-4PT-6

Littelfuse

Electric Fuse

Inline/Holder

600 V

10 A

End Cap

37.5 kA

0.813 in (20.64 mm)

0.813 x 4.6 in (20.64 x 116.84 mm)

4.6 in (116.84 mm)

Medium

LGD012

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

IDSR3.50

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3.5 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC; 20000

Indicator

CSA; MSHA; UL

Time Delay

KLLU4000

Littelfuse

Electric Fuse

Inline/Holder

600 V

4 kA

Tab/Blade

200 kA

5.752 in (146.1 mm)

L

600 V

5.752 x 4 in (146.1 x 101.6 mm)

4 in (101.6 mm)

CSA; UL

Time Delay

KLSR008

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

8 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

JLS125

Littelfuse

Electric Fuse

Inline/Holder

600 V

125 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

CCMR030

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

30 A

End Cap

1.79 kJ

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

L60S225.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

225 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

LA60X1200-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.2 kA

End Cap

100 kA

3.5 in (88.9 mm)

600 V

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

07945894349

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2 A

Tab/Blade

2.379 J

-55 °C (-67 °F)

100 kA

145 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

291 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

CCMR1.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 250 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

JLLS070

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.642 in (20.6 x 41.7 mm)

1.642 in (41.7 mm)

CSA; UL

Fast

NLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

50 kA

Rated Breaking Capacity at 500 VDC; 20000

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

IDSR02.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.8 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

FLSR3.50

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.5 A

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; UL

Time Delay

KLK31/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

3.5 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

JLLS110

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

1.063 x 1.657 in (27 x 42.1 mm)

1.657 in (42.1 mm)

CSA; UL

Fast

FLSR.250ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 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

FT600-0500-2

Littelfuse

Electric Fuse

Surface Mount

600 V

500 mA

Wraparound

1 J

250 A

FT600

Tape And Reel

0.134 in (3.4 mm)

0.134 in (3.4 mm)

0.134 x 0.134 x 0.413 in (3.4 x 3.4 x 10.5 mm)

0.413 in (10.5 mm)

CSA; UL

LLSRK.100ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 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; UL

Time Delay

BLS1-6/10

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.6 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

0477.500MX6EP

Littelfuse

Electric Fuse

Through Hole Mount

600 V

400 V

500 mA

Pin Wire

300 mJ

-55 °C (-67 °F)

Tin

100 A

Rated Breaking Capacity at 400 VDC: 1500 A

Bulk

0.236 in (6 mm)

e3

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

UL

125 °C (257 °F)

Time Delay

KLPC1600.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.6 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

LLSRK008

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 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

LA60Q25-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

25 A

End Cap

440 J

200 kA

Rated Breaking Capacity at 600 VDC: 100000 A

0.406 in (10.32 mm)

0.406 x 1.5 in (10.32 x 38.1 mm)

1.5 in (38.1 mm)

UL

Very Fast

3E-4PT-6

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

37.5 kA

0.813 in (20.64 mm)

0.813 x 4.6 in (20.64 x 116.84 mm)

4.6 in (116.84 mm)

Medium

LFCL350A3

Littelfuse

Electric Fuse

Inline/Holder

600 V

Pin Wire And Tab/Blade

200 kA

KLPC1300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.3 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

JTD070

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.126 in (28.6 mm)

2.626 in (66.7 mm)

CSA; UL

Time Delay

LGD3

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

KLDR04.5

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

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

FLSR.150

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

150 mA

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

LLSRK008ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

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

0LDC800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

800 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, CSA, UL

Fast

SPFJ200

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

200 A

Tab/Blade

108 kJ

200 kA

10 m

Rated Breaking Capacity at 1000 VDC: 20000 A

1.5 in (38.1 mm)

Midget

1.5 x 3 in (38.1 x 76.2 mm)

3.012 in (76.5 mm)

CE; IEC; UL

KLC175

Littelfuse

Electric Fuse

Inline/Holder

600 V

175 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

LDC0900

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

900 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

JTD03.2

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 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

FLSR015

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 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

KLQ003

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

Nickel

10 kA

0.406 in (10.31 mm)

600 V

Midget

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Time Delay

CCMR1.25TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 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

0LDC600.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

600 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

JLLS300.XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.594 in (40.5 mm)

600 V

1.713 in (43.5 mm)

CE; CSA; UL

Fast

LA60X1800-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.8 kA

End Cap

100 kA

4.488 in (114 mm)

600 V

4.488 x 3.752 in (114 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

LLSRK2.50

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 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; 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.