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: 678

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 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

L75QS300.X
Littelfuse
1: $369.78
5In Stock
18On Order

Mfr. Part No.
L75QS300.X

Mouser Part No
576-L75QS300.X

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

Learn More

Datasheet

5In Stock

18On Order

$369.78

$306.50

$282.55

$233.95

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 600A

L75QS600.X
Littelfuse
1: $597.98
2In Stock

Mfr. Part No.
L75QS600.X

Mouser Part No
576-L75QS600.X

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 600A

Learn More

Datasheet

2In Stock

$597.98

$514.51

$456.59

Quote

Min.: 1
Mult.: 1

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

PSR031FL0700Z
Littelfuse
1: $486.85
1In Stock

Mfr. Part No.
PSR031FL0700Z

Mouser Part No
576-PSR031FL0700Z

Littelfuse

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

Learn More

Datasheet

1In Stock

$486.85

$372.77

$353.32

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 1000V SIZE 70 Flush End Mtrc Thred

PSR070FL0080Z
Littelfuse
1: $506.45
1In Stock

Mfr. Part No.
PSR070FL0080Z

Mouser Part No
576-PSR070FL0080Z

Littelfuse

Industrial & Electrical Fuses 80A 1000V SIZE 70 Flush End Mtrc Thred

Learn More

Datasheet

1In Stock

$506.45

$419.68

$386.78

$319.42

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred

PSR070FL0200Z
Littelfuse
1: $541.31
1In Stock

Mfr. Part No.
PSR070FL0200Z

Mouser Part No
576-PSR070FL0200Z

Littelfuse

Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred

Learn More

Datasheet

1In Stock

$541.31

$463.52

$413.29

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 1000V SIZE 70 Flush End Mtrc Thred

PSR070FL0250Z
Littelfuse
1: $541.31
1In Stock

Mfr. Part No.
PSR070FL0250Z

Mouser Part No
576-PSR070FL0250Z

Littelfuse

Industrial & Electrical Fuses 250A 1000V SIZE 70 Flush End Mtrc Thred

Learn More

Datasheet

1In Stock

$541.31

$463.52

$413.29

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End In Thread

PSR070FS0200Z
Littelfuse
1: $540.24
1In Stock

Mfr. Part No.
PSR070FS0200Z

Mouser Part No
576-PSR070FS0200Z

Littelfuse

Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End In Thread

Learn More

Datasheet

1In Stock

$540.24

$416.25

$392.93

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 250A

PSR070UL0250Z
Littelfuse
1: $567.83
2In Stock

Mfr. Part No.
PSR070UL0250Z

Mouser Part No
576-PSR070UL0250Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 250A

Learn More

Datasheet

2In Stock

$567.83

$488.59

$433.57

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End Mtrc Thred

PSR073FL0700Z
Littelfuse
1: $771.67
1In Stock

Mfr. Part No.
PSR073FL0700Z

Mouser Part No
576-PSR073FL0700Z

Littelfuse

Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End Mtrc Thred

Learn More

Datasheet

1In Stock

$771.67

$663.98

$589.22

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End In Thread

PSR073FS0700Z
Littelfuse
1: $771.67
1In Stock

Mfr. Part No.
PSR073FS0700Z

Mouser Part No
576-PSR073FS0700Z

Littelfuse

Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End In Thread

Learn More

Datasheet

1In Stock

$771.67

$663.98

$589.22

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 200A

PSX1XLDB0200X
Littelfuse
1: $517.36
2In Stock

Mfr. Part No.
PSX1XLDB0200X

Mouser Part No
576-PSX1XLDB0200X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 200A

Learn More

Datasheet

2In Stock

$517.36

$488.59

$431.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 700A

PSX3XLUB0700X
Littelfuse
1: $1,040.80
1In Stock

Mfr. Part No.
PSX3XLUB0700X

Mouser Part No
576-PSX3XLUB0700X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 700A

Learn More

Datasheet

1In Stock

$1,040.80

$843.97

$780.03

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

PSX3XLFL1000X
Littelfuse
1: $1,035.42
5Factory Stock Available

Mfr. Part No.
PSX3XLFL1000X

Mouser Part No
576-PSX3XLFL1000X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

Learn More

Datasheet

5Factory Stock Available

More Info Available

$1,035.42

$997.62

$932.27

Quote

Min.: 1
Mult.: 1

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

PSR070UL0080Z
Littelfuse
1: $514.52
1In Stock

Mfr. Part No.
PSR070UL0080Z

Mouser Part No
576-PSR070UL0080Z

Littelfuse

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

Learn More

Datasheet

1In Stock

$514.52

$438.48

$392.94

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

PSR070UL0200Z
Littelfuse
1: $567.83
9Expected 5/5/2026

Mfr. Part No.
PSR070UL0200Z

Mouser Part No
576-PSR070UL0200Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

Learn More

Datasheet

9Expected 5/5/2026

$567.83

$488.59

$433.57

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 350A

PSR070UL0350Z
Littelfuse
1: $596.95
6Expected 6/4/2026

Mfr. Part No.
PSR070UL0350Z

Mouser Part No
576-PSR070UL0350Z

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 350A

Datasheet

6Expected 6/4/2026

$596.95

$563.74

$497.48

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1250A

PSX3XLDB1250X
Littelfuse
1: $1,459.22
2Expected 21/4/2026

Mfr. Part No.
PSX3XLDB1250X

Mouser Part No
576-PSX3XLDB1250X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1250A

Learn More

Datasheet

2Expected 21/4/2026

$1,459.22

$1,378.06

$1,216.06

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

PSX3XLDB1400X
Littelfuse
1: $1,428.32
5Expected 8/4/2026

Mfr. Part No.
PSX3XLDB1400X

Mouser Part No
576-PSX3XLDB1400X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

Learn More

Datasheet

5Expected 8/4/2026

$1,428.32

$1,362.48

$1,226.23

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS035.V
Littelfuse
1: $137.39
12Expected 21/4/2026

Mfr. Part No.
L70QS035.V

Mouser Part No
576-L70QS035.V

Littelfuse

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

12Expected 21/4/2026

$137.39

$113.95

$99.57

$85.99

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS040.V
Littelfuse
1: $127.02
9Expected 16/4/2026

Mfr. Part No.
L70QS040.V

Mouser Part No
576-L70QS040.V

Littelfuse

Industrial & Electrical Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

9Expected 16/4/2026

$127.02

$108.98

$97.91

$86.26

$79.08

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 175A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS175.V
Littelfuse
1: $245.82
2Expected 11/3/2026

Mfr. Part No.
L70QS175.V

Mouser Part No
576-L70QS175.V

Littelfuse

Industrial & Electrical Fuses 175A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

2Expected 11/3/2026

$245.82

$206.14

$194.67

$160.32

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 315A 1250VAC SIZE 71 POWER-SPEED FLUSH M

PSR071FL0315Z
Littelfuse
1: $540.24
682Factory Stock Available

Mfr. Part No.
PSR071FL0315Z

Mouser Part No
576-PSR071FL0315Z

Littelfuse

Industrial & Electrical Fuses 315A 1250VAC SIZE 71 POWER-SPEED FLUSH M

Learn More

Datasheet

682Factory Stock Available

More Info Available

$540.24

$419.43

$391.17

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 US LONG BL 315A

PSR073UL0315X
Littelfuse
1: $742.55
469Factory Stock Available

Mfr. Part No.
PSR073UL0315X

Mouser Part No
576-PSR073UL0315X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 US LONG BL 315A

Learn More

Datasheet

469Factory Stock Available

More Info Available

$742.55

$638.91

$566.98

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

PSX1XLUB0200X
Littelfuse
1: $517.36
2,186Factory Stock Available

Mfr. Part No.
PSX1XLUB0200X

Mouser Part No
576-PSX1XLUB0200X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

Learn More

Datasheet

2,186Factory Stock Available

More Info Available

$517.36

$488.59

$431.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1250A

PSX3XLFL1250X
Littelfuse
1: $1,459.22
156Factory Stock Available

Mfr. Part No.
PSX3XLFL1250X

Mouser Part No
576-PSX3XLFL1250X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1250A

Learn More

Datasheet

156Factory Stock Available

More Info Available

$1,459.22

$1,378.06

$1,216.06

Min.: 1
Mult.: 1

Types of Circuit Protection

Customer Service Office

Company

Resources

Support