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

Littelfuse PSR Series Circuit Protection

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

Types of Circuit Protection

List Images

Results: 564

Applied Filters:

Manufacturer = Littelfuse Series = PSR

Reset All

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; }

Download Table (.CSV)

Part #

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

PSR072FL0630Z
Littelfuse
1: $425.52
4In Stock

Mfr. Part No.
PSR072FL0630Z

Mouser Part No
576-PSR072FL0630Z

Littelfuse

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

Learn More

Datasheet

4In Stock

$425.52

$382.08

$373.74

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 700A

PSR073UL0700X
Littelfuse
1: $597.06
8In Stock

Mfr. Part No.
PSR073UL0700X

Mouser Part No
576-PSR073UL0700X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 700A

Learn More

Datasheet

8In Stock

$597.06

$513.73

$455.89

Quote

Min.: 1
Mult.: 1

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

PSR032UL0400X
Littelfuse
1: $364.35
2In Stock

Mfr. Part No.
PSR032UL0400X

Mouser Part No
576-PSR032UL0400X

Littelfuse

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

Learn More

Datasheet

2In Stock

$364.35

$311.19

$292.98

View

Min.: 1
Mult.: 1

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

PSR070UL0050Z
Littelfuse
1: $368.04
1In Stock

Mfr. Part No.
PSR070UL0050Z

Mouser Part No
576-PSR070UL0050Z

Littelfuse

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

Learn More

Datasheet

1In Stock

$368.04

$323.89

View

Min.: 1
Mult.: 1

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

PSR031FL0350Z
Littelfuse
1: $261.46
1In Stock

Mfr. Part No.
PSR031FL0350Z

Mouser Part No
576-PSR031FL0350Z

Littelfuse

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

Learn More

Datasheet

1In Stock

$261.46

$216.71

$199.77

$165.41

Min.: 1
Mult.: 1

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

PSR030FL0250Z
Littelfuse
1: $166.85
6In Stock

Mfr. Part No.
PSR030FL0250Z

Mouser Part No
576-PSR030FL0250Z

Littelfuse

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

Learn More

Datasheet

6In Stock

$166.85

$156.14

$151.07

$146.23

Min.: 1
Mult.: 1

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

PSR071FL0400Z
Littelfuse
1: $315.67
4In Stock

Mfr. Part No.
PSR071FL0400Z

Mouser Part No
576-PSR071FL0400Z

Littelfuse

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

Learn More

Datasheet

4In Stock

$315.67

$243.39

$242.81

Min.: 1
Mult.: 1

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

PSR030FL0125Z
Littelfuse
1: $190.41
9In Stock

Mfr. Part No.
PSR030FL0125Z

Mouser Part No
576-PSR030FL0125Z

Littelfuse

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

Learn More

Datasheet

9In Stock

$190.41

$177.40

View

Min.: 1
Mult.: 1

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

PSR070FL0280Z
Littelfuse
1: $345.31
3In Stock

Mfr. Part No.
PSR070FL0280Z

Mouser Part No
576-PSR070FL0280Z

Littelfuse

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

Learn More

Datasheet

3In Stock

$345.31

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 800A

PSR073UL0800X
Littelfuse
1: $557.09
7In Stock

Mfr. Part No.
PSR073UL0800X

Mouser Part No
576-PSR073UL0800X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 800A

Datasheet

7In Stock

$557.09

$513.73

$430.75

Quote

Min.: 1
Mult.: 1

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

PSR070UL0200Z
Littelfuse
1: $407.72
9In Stock

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

9In Stock

$407.72

$330.62

$302.08

View

Min.: 1
Mult.: 1

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

PSR070DL0050Z
Littelfuse
1: $369.50
31In Stock
51On Order

Mfr. Part No.
PSR070DL0050Z

Mouser Part No
576-PSR070DL0050Z

Littelfuse

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

Learn More

Datasheet

31In Stock

51On Order

$369.50

$315.45

$282.69

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 900V FAST BLOW 350A

PSR070UL0350Z
Littelfuse
1: $429.46
6In Stock

Mfr. Part No.
PSR070UL0350Z

Mouser Part No
576-PSR070UL0350Z

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 350A

Datasheet

6In Stock

$429.46

$405.57

$357.90

Min.: 1
Mult.: 1

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

PSR072DL0500X
Littelfuse
1: $498.04
5In Stock

Mfr. Part No.
PSR072DL0500X

Mouser Part No
576-PSR072DL0500X

Littelfuse

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

Learn More

Datasheet

5In Stock

$498.04

$468.63

$399.45

View

Min.: 1
Mult.: 1

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

PSR070UL0100Z
Littelfuse
1: $369.42
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

$369.42

$299.64

$276.08

View

Min.: 1
Mult.: 1

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

PSR070FL0080Z
Littelfuse
1: $350.18
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

$350.18

$270.96

$267.47

Quote

Min.: 1
Mult.: 1

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

PSR070FL0200Z
Littelfuse
1: $389.43
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

$389.43

$333.47

$297.33

Quote

Min.: 1
Mult.: 1

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

PSR070FL0250Z
Littelfuse
1: $388.60
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

$388.60

$315.72

$295.29

View

Min.: 1
Mult.: 1

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

PSR070FS0200Z
Littelfuse
1: $388.61
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

$388.61

$290.24

$273.09

View

Min.: 1
Mult.: 1

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

PSR070UL0250Z
Littelfuse
1: $407.72
1In Stock
2On Order

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

1In Stock

2On Order

$407.72

$337.53

$304.64

View

Min.: 1
Mult.: 1

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

PSR073FL0700Z
Littelfuse
1: $461.79
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

$461.79

$400.29

$396.47

View

Min.: 1
Mult.: 1

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

PSR031FL0700Z
Littelfuse
1: $350.14
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

$350.14

$258.92

Quote

Min.: 1
Mult.: 1

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

PSR070UL0080Z
Littelfuse
1: $370.16
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

$370.16

$310.30

$294.02

View

Min.: 1
Mult.: 1

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

PSR073FS0700Z
Littelfuse
1: $538.89
1In Stock
1On Order

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

1On Order

$538.89

$436.85

$409.99

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 500A

PSR033DS0500X
Littelfuse
1: $455.92
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
PSR033DS0500X

Mouser Part No
576-PSR033DS0500X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 500A

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

$455.92

$424.59

$402.85

View

Min.: 1
Mult.: 1

Littelfuse PSR Series Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support