Industrial & Electrical Fuses

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Fast-Acting High-Speed Fuses

Littelfuse Fast-Acting High-Speed Fuses are designed to protect equipment and systems. These fast-acting fuses feature Littelfuse-developed technology that sets standards for accuracy, consistent quality, reliability, and predictable performance. Littelfuse Fast-Acting High-Speed Fuses are optimized for performance and efficiency to better protect critical power semiconductors against short circuits.

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Part #

Industrial & Electrical Fuses 30A 600VAC VDC FF KLC POWR-SPEED

0KLC030.T
Littelfuse
1: S/177.30
14In Stock

Mfr. Part #
0KLC030.T

Mouser Part #
576-0KLC030.T

Littelfuse

Industrial & Electrical Fuses 30A 600VAC VDC FF KLC POWR-SPEED

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Datasheet

14In Stock

S/177.30

S/147.10

S/135.65

S/111.91

View

Min.: 1
Mult.: 1

Semiconductor Fuses

30 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 1A 600VAC VDC FF KLC POWR-SPEED

0KLC001.T
Littelfuse
1: S/164.26
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC001.T

Mouser Part #
576-0KLC001.T

Littelfuse

Industrial & Electrical Fuses 1A 600VAC VDC FF KLC POWR-SPEED

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Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.26

S/140.40

S/121.91

S/117.44

Min.: 1
Mult.: 1

Semiconductor Fuses

1 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 2A 600VAC VDC FF KLC POWR-SPEED

0KLC002.T
Littelfuse
1: S/162.47
Non-Stocked Lead-Time 40 Weeks

Mfr. Part #
0KLC002.T

Mouser Part #
576-0KLC002.T

Littelfuse

Industrial & Electrical Fuses 2A 600VAC VDC FF KLC POWR-SPEED

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Datasheet

Non-Stocked Lead-Time 40 Weeks

S/162.47

S/138.77

S/127.71

Min.: 1
Mult.: 1

Semiconductor Fuses

2 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 3A 600VAC VDC FF KLC POWR-SPEED

0KLC003.T
Littelfuse
1: S/162.55
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC003.T

Mouser Part #
576-0KLC003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/162.55

S/138.92

S/121.21

S/116.78

Min.: 1
Mult.: 1

Semiconductor Fuses

3 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 4A 600VAC VDC FF KLC POWR-SPEED

0KLC004.T
Littelfuse
1: S/164.11
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC004.T

Mouser Part #
576-0KLC004.T

Littelfuse

Industrial & Electrical Fuses 4A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.11

S/140.25

S/121.84

S/117.40

Min.: 1
Mult.: 1

Semiconductor Fuses

4 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 5A 600VAC VDC FF KLC POWR-SPEED

0KLC005.T
Littelfuse
1: S/175.24
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC005.T

Mouser Part #
576-0KLC005.T

Littelfuse

Industrial & Electrical Fuses 5A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/175.24

S/145.38

S/134.10

S/111.01

View

Min.: 1
Mult.: 1

Semiconductor Fuses

5 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 6A 600VAC VDC FF KLC POWR-SPEED

0KLC006.T
Littelfuse
1: S/163.21
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC006.T

Mouser Part #
576-0KLC006.T

Littelfuse

Industrial & Electrical Fuses 6A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/163.21

S/139.47

S/121.45

S/117.01

Min.: 1
Mult.: 1

Semiconductor Fuses

6 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 7A 600VAC VDC FF KLC POWR-SPEED

0KLC007.T
Littelfuse
1: S/164.46
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC007.T

Mouser Part #
576-0KLC007.T

Littelfuse

Industrial & Electrical Fuses 7A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.46

S/140.60

S/121.99

S/117.51

Min.: 1
Mult.: 1

Semiconductor Fuses

7 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 8A 600VAC VDC FF KLC POWR-SPEED

0KLC008.T
Littelfuse
1: S/164.50
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC008.T

Mouser Part #
576-0KLC008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.50

S/140.60

S/121.99

S/117.55

Min.: 1
Mult.: 1

Semiconductor Fuses

8 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 10A 600VAC VDC FF KLC POWR-SPEED

0KLC010.T
Littelfuse
1: S/164.54
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC010.T

Mouser Part #
576-0KLC010.T

Littelfuse

Industrial & Electrical Fuses 10A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.54

S/140.64

S/122.03

S/117.55

Min.: 1
Mult.: 1

Semiconductor Fuses

10 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 12A 600VAC VDC FF KLC POWR-SPEED

0KLC012.T
Littelfuse
1: S/164.54
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC012.T

Mouser Part #
576-0KLC012.T

Littelfuse

Industrial & Electrical Fuses 12A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/164.54

S/140.64

S/122.03

S/117.55

Min.: 1
Mult.: 1

Semiconductor Fuses

12 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 15A 600VAC VDC FF KLC POWR-SPEED

0KLC015.T
Littelfuse
1: S/165.90
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC015.T

Mouser Part #
576-0KLC015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/165.90

S/141.84

S/122.57

S/118.10

Min.: 1
Mult.: 1

Semiconductor Fuses

15 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 20A 600VAC VDC FF KLC POWR-SPEED

0KLC020.T
Littelfuse
1: S/166.44
Non-Stocked Lead-Time 23 Weeks

Mfr. Part #
0KLC020.T

Mouser Part #
576-0KLC020.T

Littelfuse

Industrial & Electrical Fuses 20A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

S/166.44

S/142.35

S/122.81

S/118.33

Min.: 1
Mult.: 1

Semiconductor Fuses

20 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 25A 600VAC VDC FF KLC POWR-SPEED

0KLC025.T
Littelfuse
1: S/166.48
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC025.T

Mouser Part #
576-0KLC025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/166.48

S/142.39

S/122.85

S/118.33

Min.: 1
Mult.: 1

Semiconductor Fuses

25 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 35A 600VAC VDC FF KLC POWR-SPEED

0KLC035.T
Littelfuse
1: S/346.82
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC035.T

Mouser Part #
576-0KLC035.T

Littelfuse

Industrial & Electrical Fuses 35A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/346.82

S/301.75

S/253.79

S/244.96

Min.: 1
Mult.: 1

Semiconductor Fuses

35 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 40A 600VAC VDC FF KLC POWR-SPEED

0KLC040.T
Littelfuse
1: S/350.36
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC040.T

Mouser Part #
576-0KLC040.T

Littelfuse

Industrial & Electrical Fuses 40A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/350.36

S/305.02

S/255.27

S/246.40

Min.: 1
Mult.: 1

Semiconductor Fuses

40 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 45A 600VAC VDC FF KLC POWR-SPEED

0KLC045.T
Littelfuse
1: S/348.69
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC045.T

Mouser Part #
576-0KLC045.T

Littelfuse

Industrial & Electrical Fuses 45A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/348.69

S/303.46

S/254.57

S/245.69

Min.: 1
Mult.: 1

Semiconductor Fuses

45 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 50A 600VAC VDC FF KLC POWR-SPEED

0KLC050.T
Littelfuse
1: S/352.19
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC050.T

Mouser Part #
576-0KLC050.T

Littelfuse

Industrial & Electrical Fuses 50A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/352.19

S/306.73

S/256.05

S/247.13

Min.: 1
Mult.: 1

Semiconductor Fuses

50 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 60A 600VAC VDC FF KLC POWR-SPEED

0KLC060.T
Littelfuse
1: S/350.13
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC060.T

Mouser Part #
576-0KLC060.T

Littelfuse

Industrial & Electrical Fuses 60A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/350.13

S/304.82

S/255.19

S/246.32

Min.: 1
Mult.: 1

Semiconductor Fuses

60 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 70A 600VAC VDC FF KLC POWR-SPEED

0KLC070.V
Littelfuse
1: S/410.74
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC070.V

Mouser Part #
576-0KLC070.V

Littelfuse

Industrial & Electrical Fuses 70A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/410.74

S/330.32

S/313.74

S/311.44

Min.: 1
Mult.: 1

Semiconductor Fuses

70 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 80A 600VAC VDC FF KLC POWR-SPEED

0KLC080.V
Littelfuse
1: S/407.70
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC080.V

Mouser Part #
576-0KLC080.V

Littelfuse

Industrial & Electrical Fuses 80A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/407.70

S/328.96

S/312.45

S/310.19

Min.: 1
Mult.: 1

Semiconductor Fuses

80 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 90A 600VAC VDC FF KLC POWR-SPEED

0KLC090.V
Littelfuse
1: S/413.23
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC090.V

Mouser Part #
576-0KLC090.V

Littelfuse

Industrial & Electrical Fuses 90A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/413.23

S/331.45

S/314.79

S/312.49

Min.: 1
Mult.: 1

Semiconductor Fuses

90 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 100A 600VAC VDC FF KLC POWR-SPEED

0KLC100.V
Littelfuse
1: S/415.17
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC100.V

Mouser Part #
576-0KLC100.V

Littelfuse

Industrial & Electrical Fuses 100A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/415.17

S/332.30

S/315.60

S/313.31

Min.: 1
Mult.: 1

Semiconductor Fuses

100 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 110A 600VAC VDC FF KLC POWR-SPEED

0KLC110.X
Littelfuse
1: S/566.86
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC110.X

Mouser Part #
576-0KLC110.X

Littelfuse

Industrial & Electrical Fuses 110A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/566.86

S/523.27

S/476.29

S/401.51

S/369.52

Min.: 1
Mult.: 1

Semiconductor Fuses

110 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Industrial & Electrical Fuses 125A 600VAC VDC FF KLC POWR-SPEED

0KLC125.X
Littelfuse
1: S/559.43
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
0KLC125.X

Mouser Part #
576-0KLC125.X

Littelfuse

Industrial & Electrical Fuses 125A 600VAC VDC FF KLC POWR-SPEED

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

S/559.43

S/525.37

S/513.97

Min.: 1
Mult.: 1

Semiconductor Fuses

125 A

600 VAC

Fast-Acting Fuses

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

KLC

Fast-Acting High-Speed Fuses

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