Industrial & Electrical Fuses

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Part #

Industrial & Electrical Fuses 900V FAST BLOW 700A

PSR073UL0700X
Littelfuse
1: $597.06
6In Stock

Mfr. Part No.
PSR073UL0700X

Mouser Part No
576-PSR073UL0700X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 700A

Learn More

Datasheet

6In Stock

$597.06

$513.73

$455.89

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

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

PSR072DL0500X
Littelfuse
1: $544.69
7In Stock

Mfr. Part No.
PSR072DL0500X

Mouser Part No
576-PSR072DL0500X

Littelfuse

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

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Datasheet

7In Stock

$544.69

$468.66

$415.90

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

500 A

1.3 kVAC

Fast Blow

1 kVDC

100 kA, 150 kA

Square Body Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Box

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

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

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

PSR070UL0250Z
Littelfuse
1: $408.51
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

$408.51

$351.50

$311.92

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

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

PSR070UL0200Z
Littelfuse
1: $408.51
9Expected 05/05/2026

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 05/05/2026

$408.51

$351.50

$311.92

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 100A

PSR070UL0100Z
Littelfuse
1: $370.16
5Expected 02/04/2026

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 100A

Learn More

Datasheet

5Expected 02/04/2026

$370.16

$315.45

$282.69

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 100A

PSR030UL0100Z
Littelfuse
1: $272.35
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
PSR030UL0100Z

Mouser Part No
576-PSR030UL0100Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 100A

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$272.35

$225.74

$208.10

$172.31

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 250A

PSR030UL0250Z
Littelfuse
1: $272.35
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR030UL0250Z

Mouser Part No
576-PSR030UL0250Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 250A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$272.35

$225.74

$208.10

$172.31

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A

PSR030UL0500Z
Littelfuse
1: $294.14
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
PSR030UL0500Z

Mouser Part No
576-PSR030UL0500Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$294.14

$243.80

$224.75

$186.09

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 125A

PSR030US0125Z
Littelfuse
1: $261.46
Lead-Time 15 Weeks

Mfr. Part No.
PSR030US0125Z

Mouser Part No
576-PSR030US0125Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 125A

Learn More

Datasheet

Lead-Time 15 Weeks

$261.46

$216.71

$199.77

$165.41

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 500A

PSR031DL0500Z
Littelfuse
1: $331.23
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031DL0500Z

Mouser Part No
576-PSR031DL0500Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 500A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$331.23

$274.48

$252.97

$208.91

Min.: 1
Mult.: 1

PSR

Specialty Fuses

500 A

700 VAC

Fast Blow

600 VDC

150 kA, 200 kA

Square Body Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 700A

PSR031DS0700Z
Littelfuse
3: $370.16
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
PSR031DS0700Z

Mouser Part No
576-PSR031DS0700Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 700A

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$370.16

$315.45

$282.69

Quote

Min.: 3
Mult.: 3

PSR

Specialty Fuses

700 A

700 VAC

Fast Blow

600 VDC

150 kA, 200 kA

Square Body Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 200A

PSR031UL0200Z
Littelfuse
1: $305.04
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031UL0200Z

Mouser Part No
576-PSR031UL0200Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 200A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$305.04

$252.83

$233.07

$192.98

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 400A

PSR031UL0400Z
Littelfuse
1: $305.04
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031UL0400Z

Mouser Part No
576-PSR031UL0400Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 400A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$305.04

$252.83

$233.07

$192.98

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 500A

PSR031UL0500Z
Littelfuse
1: $331.23
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031UL0500Z

Mouser Part No
576-PSR031UL0500Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 500A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$331.23

$274.48

$252.97

$208.91

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 700A

PSR031UL0700Z
Littelfuse
3: $380.74
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
PSR031UL0700Z

Mouser Part No
576-PSR031UL0700Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 700A

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$380.74

$324.46

$290.76

Quote

Min.: 3
Mult.: 3

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 250A

PSR031US0250Z
Littelfuse
1: $294.14
Lead-Time 15 Weeks

Mfr. Part No.
PSR031US0250Z

Mouser Part No
576-PSR031US0250Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 250A

Learn More

Datasheet

Lead-Time 15 Weeks

$294.14

$243.80

$224.75

$186.09

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 400A

PSR031US0400Z
Littelfuse
1: $294.14
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031US0400Z

Mouser Part No
576-PSR031US0400Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 400A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$294.14

$243.80

$224.75

$186.09

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 500A

PSR031US0500Z
Littelfuse
1: $320.18
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
PSR031US0500Z

Mouser Part No
576-PSR031US0500Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 500A

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$320.18

$265.33

$244.53

$201.94

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 700A

PSR032DL0700X
Littelfuse
1: $364.35
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
PSR032DL0700X

Mouser Part No
576-PSR032DL0700X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 700A

Learn More

Datasheet

Non-Stocked Lead-Time 21 Weeks

$364.35

$301.93

$278.26

$229.80

Min.: 1
Mult.: 1

PSR

Specialty Fuses

700 A

700 VAC

Fast Blow

600 VDC

150 kA, 200 kA

Square Body Fuses

Screw

Blade / Boltdown

Visual Side Indicator

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 630A

PSR032UL0630X
Littelfuse
1: $364.35
Lead-Time 21 Weeks

Mfr. Part No.
PSR032UL0630X

Mouser Part No
576-PSR032UL0630X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 630A

Learn More

Datasheet

Lead-Time 21 Weeks

$364.35

$301.93

$278.26

$229.80

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 1000A

PSR032UL1000X
Littelfuse
1: $418.99
Lead-Time 21 Weeks

Mfr. Part No.
PSR032UL1000X

Mouser Part No
576-PSR032UL1000X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 1000A

Learn More

Datasheet

Lead-Time 21 Weeks

$418.99

$360.51

$319.92

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 450A

PSR032US0450X
Littelfuse
1: $342.27
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
PSR032US0450X

Mouser Part No
576-PSR032US0450X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 450A

Learn More

Datasheet

Non-Stocked Lead-Time 21 Weeks

$342.27

$283.63

$261.40

$215.87

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 500A

PSR032US0500X
Littelfuse
1: $342.27
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
PSR032US0500X

Mouser Part No
576-PSR032US0500X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 500A

Learn More

Datasheet

Non-Stocked Lead-Time 21 Weeks

$342.27

$283.63

$261.40

$215.87

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 800A

PSR032US0800X
Littelfuse
1: $399.95
Lead-Time 21 Weeks

Mfr. Part No.
PSR032US0800X

Mouser Part No
576-PSR032US0800X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 800A

Learn More

Datasheet

Lead-Time 21 Weeks

$399.95

$342.48

$305.37

Quote

Min.: 1
Mult.: 1

PSR

Specialty Fuses

Fast Blow

Square Body Blade Fuses

Screw

Knife Blade

Visual Blown Fuse

Box

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