Circuit Breakers, Surge Protectors & Fuses

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Breakers, Surge Protectors & Fuses

List Images

Results: 547

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $227.21
93In Stock

Mfr. Part #
L50QS600.X

Mouser Part #
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

93In Stock

$227.21

$197.83

$195.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS400.V
Littelfuse
1: $148.23
41In Stock

Mfr. Part #
L50QS400.V

Mouser Part #
576-L50QS400.V

Littelfuse

Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

41In Stock

$148.23

$140.62

$139.01

$128.57

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 700A

PSR073UL0700X
Littelfuse
1: $916.49
6In Stock

Mfr. Part #
PSR073UL0700X

Mouser Part #
576-PSR073UL0700X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 700A

Learn More

Datasheet

6In Stock

$916.49

$788.58

$699.79

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

L75QS080.V
Littelfuse
1: $192.69
39In Stock

Mfr. Part #
L75QS080.V

Mouser Part #
576-L75QS080.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

Learn More

Datasheet

39In Stock

$192.69

$159.75

$147.31

$134.01

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

L75QS200.V
Littelfuse
1: $266.89
81In Stock

Mfr. Part #
L75QS200.V

Mouser Part #
576-L75QS200.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

Learn More

Datasheet

81In Stock

$266.89

$221.30

$208.84

$172.00

$159.70

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 250A

L75QS250.X
Littelfuse
1: $408.36
25In Stock

Mfr. Part #
L75QS250.X

Mouser Part #
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

Learn More

Datasheet

25In Stock

$408.36

$338.47

$312.02

$258.36

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

PSR072DL0500X
Littelfuse
1: $836.10
7In Stock

Mfr. Part #
PSR072DL0500X

Mouser Part #
576-PSR072DL0500X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

Learn More

Datasheet

7In Stock

$836.10

$719.39

$638.41

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

L75QS125.V
Littelfuse
1: $266.89
62In Stock

Mfr. Part #
L75QS125.V

Mouser Part #
576-L75QS125.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

Learn More

Datasheet

62In Stock

$266.89

$221.30

$208.84

$172.00

$159.70

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 750V

L75QS040.V
Littelfuse
1: $140.11
83In Stock

Mfr. Part #
L75QS040.V

Mouser Part #
576-L75QS040.V

Littelfuse

Industrial & Electrical Fuses 40A 750V

Learn More

Datasheet

83In Stock

$140.11

$121.74

$112.85

$96.09

$86.64

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS450.X
Littelfuse
1: $348.12
4In Stock

Mfr. Part #
L50QS450.X

Mouser Part #
576-L50QS450.X

Littelfuse

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

4In Stock

$348.12

$288.56

$266.03

$219.81

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

L75QS090.V
Littelfuse
1: $192.70
6In Stock

Mfr. Part #
L75QS090.V

Mouser Part #
576-L75QS090.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

Learn More

Datasheet

6In Stock

$192.70

$159.76

$147.33

$134.24

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A

PSR032UL0400X
Littelfuse
1: $559.28
2In Stock

Mfr. Part #
PSR032UL0400X

Mouser Part #
576-PSR032UL0400X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A

Learn More

Datasheet

2In Stock

$559.28

$463.46

$427.13

$352.74

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 80A

PSR070UL0080Z
Littelfuse
1: $568.20
1In Stock

Mfr. Part #
PSR070UL0080Z

Mouser Part #
576-PSR070UL0080Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 80A

Learn More

Datasheet

1In Stock

$568.20

$484.22

$433.93

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

PSR070UL0050Z
Littelfuse
1: $564.94
4In Stock

Mfr. Part #
PSR070UL0050Z

Mouser Part #
576-PSR070UL0050Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

Learn More

Datasheet

4In Stock

$564.94

$497.17

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End Mtrc Thred

PSR031FL0350Z
Littelfuse
1: $401.34
1In Stock

Mfr. Part #
PSR031FL0350Z

Mouser Part #
576-PSR031FL0350Z

Littelfuse

Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End Mtrc Thred

Learn More

Datasheet

1In Stock

$401.34

$332.65

$306.65

$253.90

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS050.T
Littelfuse
1: $67.77
25In Stock

Mfr. Part #
L50QS050.T

Mouser Part #
576-L50QS050.T

Littelfuse

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

25In Stock

$67.77

$61.09

$58.10

$55.86

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M

PSR030FL0250Z
Littelfuse
1: $357.93
6In Stock

Mfr. Part #
PSR030FL0250Z

Mouser Part #
576-PSR030FL0250Z

Littelfuse

Industrial & Electrical Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M

Learn More

Datasheet

6In Stock

$357.93

$296.68

$273.52

$226.00

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M

PSR071FL0400Z
Littelfuse
1: $597.78
4In Stock

Mfr. Part #
PSR071FL0400Z

Mouser Part #
576-PSR071FL0400Z

Littelfuse

Industrial & Electrical Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M

Learn More

Datasheet

4In Stock

$597.78

$511.88

$456.40

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 280A 1000V SIZE 70 Flush End Mtrc Thred

PSR070FL0280Z
Littelfuse
1: $597.78
3In Stock

Mfr. Part #
PSR070FL0280Z

Mouser Part #
576-PSR070FL0280Z

Littelfuse

Industrial & Electrical Fuses 280A 1000V SIZE 70 Flush End Mtrc Thred

Learn More

Datasheet

3In Stock

$597.78

$511.88

$456.40

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M

PSR030FL0125Z
Littelfuse
1: $357.93
9In Stock

Mfr. Part #
PSR030FL0125Z

Mouser Part #
576-PSR030FL0125Z

Littelfuse

Industrial & Electrical Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M

Learn More

Datasheet

9In Stock

$357.93

$296.68

$273.52

$226.00

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 800A

PSR073UL0800X
Littelfuse
1: $835.02
9In Stock

Mfr. Part #
PSR073UL0800X

Mouser Part #
576-PSR073UL0800X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 800A

Datasheet

9In Stock

$835.02

$788.58

$695.88

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A

PSR070DL0050Z
Littelfuse
1: $568.20
35In Stock

Mfr. Part #
PSR070DL0050Z

Mouser Part #
576-PSR070DL0050Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A

Learn More

Datasheet

35In Stock

$568.20

$484.22

$433.93

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS100.T
Littelfuse
1: $104.29
71In Stock

Mfr. Part #
L50QS100.T

Mouser Part #
576-L50QS100.T

Littelfuse

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

71In Stock

$104.29

$86.50

$79.79

$66.05

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS125.V
Littelfuse
1: $140.99
42In Stock

Mfr. Part #
L50QS125.V

Mouser Part #
576-L50QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

42In Stock

$140.99

$116.92

$107.83

$89.21

$82.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: $147.30
50In Stock

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

50In Stock

$147.30

$123.00

$116.54

$97.12

$90.63

Min.: 1
Mult.: 1

Types of Circuit Breakers, Surge Protectors & Fuses

Mouser Electronics®

Company

Resources

Support