Circuit Protection – Mouser Singapore

.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: 681

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 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: $242.85
33In Stock

Mfr. Part No.
L70QS150.V

Mouser Part No
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

33In Stock

$242.85

$206.14

$194.67

$153.21

$141.74

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS200.V
Littelfuse
1: $245.81
70In Stock

Mfr. Part No.
L70QS200.V

Mouser Part No
576-L70QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

70In Stock

$245.81

$206.12

$194.66

$160.32

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS350.X
Littelfuse
1: $342.64
16In Stock

Mfr. Part No.
L70QS350.X

Mouser Part No
576-L70QS350.X

Littelfuse

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

16In Stock

$342.64

$284.00

$261.83

$216.34

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS600.X
Littelfuse
1: $565.66
20In Stock

Mfr. Part No.
L70QS600.X

Mouser Part No
576-L70QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

20In Stock

$565.66

$486.71

$431.91

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 100A

L75QS100.V
Littelfuse
1: $183.23
31In Stock

Mfr. Part No.
L75QS100.V

Mouser Part No
576-L75QS100.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 100A

Learn More

Datasheet

31In Stock

$183.23

$151.91

$140.08

$112.23

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 400A

PSX1XLUB0400X
Littelfuse
1: $756.15
6In Stock

Mfr. Part No.
PSX1XLUB0400X

Mouser Part No
576-PSX1XLUB0400X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 400A

Learn More

Datasheet

6In Stock

$756.15

$714.08

$630.14

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS060.V
Littelfuse
1: $166.88
43In Stock

Mfr. Part No.
L70QS060.V

Mouser Part No
576-L70QS060.V

Littelfuse

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

43In Stock

$166.88

$117.32

$111.14

$85.49

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS080.V
Littelfuse
1: $174.13
88In Stock

Mfr. Part No.
L70QS080.V

Mouser Part No
576-L70QS080.V

Littelfuse

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

88In Stock

$174.13

$144.38

$135.82

$112.33

$99.97

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS450.X
Littelfuse
1: $565.66
5In Stock

Mfr. Part No.
L70QS450.X

Mouser Part No
576-L70QS450.X

Littelfuse

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

5In Stock

$565.66

$486.71

$415.48

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS500.X
Littelfuse
1: $565.66
8In Stock

Mfr. Part No.
L70QS500.X

Mouser Part No
576-L70QS500.X

Littelfuse

Industrial & Electrical Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

8In Stock

$565.66

$486.71

$431.91

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 35A

L75QS035.V
Littelfuse
1: $141.46
183In Stock

Mfr. Part No.
L75QS035.V

Mouser Part No
576-L75QS035.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 35A

Learn More

Datasheet

183In Stock

$141.46

$118.11

$111.91

$93.26

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

L75QS060.V
Littelfuse
1: $141.45
98In Stock

Mfr. Part No.
L75QS060.V

Mouser Part No
576-L75QS060.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

Learn More

Datasheet

98In Stock

$141.45

$118.11

$111.91

$93.26

$87.03

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 70A

L75QS070.V
Littelfuse
1: $183.22
23In Stock

Mfr. Part No.
L75QS070.V

Mouser Part No
576-L75QS070.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 70A

Learn More

Datasheet

23In Stock

$183.22

$151.91

$140.08

$115.87

$106.68

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

L75QS150.V
Littelfuse
1: $241.68
23In Stock
5Expected 6/4/2026

Mfr. Part No.
L75QS150.V

Mouser Part No
576-L75QS150.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

Learn More

Datasheet

23In Stock

5Expected 6/4/2026

$241.68

$200.38

$189.10

$155.72

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

L75QS200.V
Littelfuse
1: $241.68
81In Stock

Mfr. Part No.
L75QS200.V

Mouser Part No
576-L75QS200.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

Learn More

Datasheet

81In Stock

$241.68

$200.40

$189.11

$155.75

$144.62

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 250A

L75QS250.X
Littelfuse
1: $369.77
15In Stock

Mfr. Part No.
L75QS250.X

Mouser Part No
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

Learn More

Datasheet

15In Stock

$369.77

$306.48

$282.52

$233.95

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 400A

L75QS400.X
Littelfuse
1: $369.78
30In Stock

Mfr. Part No.
L75QS400.X

Mouser Part No
576-L75QS400.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 400A

Learn More

Datasheet

30In Stock

$369.78

$306.50

$282.55

$234.03

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

PSX3XLDB1000X
Littelfuse
1: $1,273.50
5In Stock
131Expected 14/4/2026

Mfr. Part No.
PSX3XLDB1000X

Mouser Part No
576-PSX3XLDB1000X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

Learn More

Datasheet

5In Stock

131Expected 14/4/2026

$1,273.50

$1,202.67

$1,061.29

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS050.V
Littelfuse
1: $137.72
18In Stock

Mfr. Part No.
L70QS050.V

Mouser Part No
576-L70QS050.V

Littelfuse

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

18In Stock

$137.72

$114.99

$108.95

$90.79

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS100.V
Littelfuse
1: $175.88
17In Stock

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

17In Stock

$175.88

$145.82

$134.48

$111.23

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS125.V
Littelfuse
1: $245.82
1In Stock
5Expected 4/3/2026

Mfr. Part No.
L70QS125.V

Mouser Part No
576-L70QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

1In Stock

5Expected 4/3/2026

$245.82

$206.14

$194.67

$160.32

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS250.X
Littelfuse
1: $342.64
4In Stock

Mfr. Part No.
L70QS250.X

Mouser Part No
576-L70QS250.X

Littelfuse

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

4In Stock

$342.64

$284.00

$261.83

$216.34

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS300.X
Littelfuse
1: $342.64
3In Stock

Mfr. Part No.
L70QS300.X

Mouser Part No
576-L70QS300.X

Littelfuse

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

3In Stock

$342.64

$284.00

$248.42

$210.39

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 50A

L75QS050.V
Littelfuse
1: $140.78
22In Stock

Mfr. Part No.
L75QS050.V

Mouser Part No
576-L75QS050.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 50A

Learn More

Datasheet

22In Stock

$140.78

$119.10

$111.91

$89.07

$81.00

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

PSR070UL0100Z
Littelfuse
1: $514.52
5In Stock

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

Learn More

Datasheet

5In Stock

$514.52

$438.48

$392.94

Quote

Min.: 1
Mult.: 1

Types of Circuit Protection

Customer Service Office

Company

Resources

Support