Circuit Protection – Mouser Canada

.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 Protection

List Images

Results: 650

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.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 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

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS200.V
Littelfuse
1: $136.05
52In Stock

Mfr. Part #
L50QS200.V

Mouser Part #
576-L50QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

52In Stock

$136.05

$114.27

$107.85

$97.29

$82.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS250.V
Littelfuse
1: $231.26
30In Stock

Mfr. Part #
L50QS250.V

Mouser Part #
576-L50QS250.V

Littelfuse

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

30In Stock

$231.26

$191.75

$178.46

$146.98

$136.48

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS300.V
Littelfuse
1: $220.26
54In Stock

Mfr. Part #
L50QS300.V

Mouser Part #
576-L50QS300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

54In Stock

$220.26

$182.63

$169.96

$139.98

$129.97

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS350.V
Littelfuse
1: $231.23
70In Stock

Mfr. Part #
L50QS350.V

Mouser Part #
576-L50QS350.V

Littelfuse

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

70In Stock

$231.23

$191.72

$178.43

$146.93

$135.00

Min.: 1
Mult.: 1

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

L50QS500.X
Littelfuse
1: $348.12
16In Stock

Mfr. Part #
L50QS500.X

Mouser Part #
576-L50QS500.X

Littelfuse

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

Learn More

Datasheet

16In Stock

$348.12

$288.56

$266.03

$219.81

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 100A

L75QS100.V
Littelfuse
1: $190.89
31In Stock

Mfr. Part #
L75QS100.V

Mouser Part #
576-L75QS100.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 100A

Learn More

Datasheet

31In Stock

$190.89

$158.29

$147.33

$123.14

$111.12

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M

PSR072FL0630Z
Littelfuse
1: $803.94
4In Stock

Mfr. Part #
PSR072FL0630Z

Mouser Part #
576-PSR072FL0630Z

Littelfuse

Industrial & Electrical Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M

Learn More

Datasheet

4In Stock

$803.94

$691.73

$613.85

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS035.T
Littelfuse
1: $75.63
61In Stock

Mfr. Part #
L50QS035.T

Mouser Part #
576-L50QS035.T

Littelfuse

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

61In Stock

$75.63

$66.56

$62.72

$59.44

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS090.T
Littelfuse
1: $104.29
62In Stock

Mfr. Part #
L50QS090.T

Mouser Part #
576-L50QS090.T

Littelfuse

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

62In Stock

$104.29

$86.50

$79.79

$66.05

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS225.V
Littelfuse
1: $231.26
18In Stock

Mfr. Part #
L50QS225.V

Mouser Part #
576-L50QS225.V

Littelfuse

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

18In Stock

$231.26

$191.75

$178.46

$141.48

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 35A

L75QS035.V
Littelfuse
1: $156.22
183In Stock

Mfr. Part #
L75QS035.V

Mouser Part #
576-L75QS035.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 35A

Learn More

Datasheet

183In Stock

$156.22

$130.43

$123.58

$102.98

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

L75QS060.V
Littelfuse
1: $156.20
98In Stock

Mfr. Part #
L75QS060.V

Mouser Part #
576-L75QS060.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

Learn More

Datasheet

98In Stock

$156.20

$130.43

$123.58

$102.98

$96.11

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 70A

L75QS070.V
Littelfuse
1: $202.33
23In Stock

Mfr. Part #
L75QS070.V

Mouser Part #
576-L75QS070.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 70A

Learn More

Datasheet

23In Stock

$202.33

$167.76

$154.70

$127.96

$117.81

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

L75QS150.V
Littelfuse
1: $266.91
23In Stock
5Expected 2026-03-12

Mfr. Part #
L75QS150.V

Mouser Part #
576-L75QS150.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

Learn More

Datasheet

23In Stock

5Expected 2026-03-12

$266.91

$221.30

$208.84

$172.00

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: $365.30
25In Stock

Mfr. Part #
L75QS250.X

Mouser Part #
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

Learn More

Datasheet

25In Stock

$365.30

$319.60

$289.99

$252.65

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 400A

L75QS400.X
Littelfuse
1: $391.09
30In Stock

Mfr. Part #
L75QS400.X

Mouser Part #
576-L75QS400.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 400A

Learn More

Datasheet

30In Stock

$391.09

$324.15

$298.79

$246.83

Quote

Min.: 1
Mult.: 1

SCRs SCR SMPD24 1.5KV THY

MMIX1H60N150V1
IXYS
1: $90.15
284In Stock
140Expected 2026-03-11

Mfr. Part #
MMIX1H60N150V1

Mouser Part #
747-MMIX1H60N150V1

IXYS

SCRs SCR SMPD24 1.5KV THY

Datasheet

284In Stock

140Expected 2026-03-11

$90.15

$66.68

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS060.T
Littelfuse
1: $93.87
31In Stock

Mfr. Part #
L50QS060.T

Mouser Part #
576-L50QS060.T

Littelfuse

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

31In Stock

$93.87

$77.86

$71.81

$59.45

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS080.T
Littelfuse
1: $104.29
25In Stock

Mfr. Part #
L50QS080.T

Mouser Part #
576-L50QS080.T

Littelfuse

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

25In Stock

$104.29

$86.50

$79.79

$66.05

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS175.V
Littelfuse
1: $137.14
8In Stock

Mfr. Part #
L50QS175.V

Mouser Part #
576-L50QS175.V

Littelfuse

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

8In Stock

$137.14

$115.85

$110.98

$89.21

$82.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 50A

L75QS050.V
Littelfuse
1: $156.22
22In Stock

Mfr. Part #
L75QS050.V

Mouser Part #
576-L75QS050.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 50A

Learn More

Datasheet

22In Stock

$156.22

$130.43

$123.58

$98.06

View

Min.: 1
Mult.: 1

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support