Industrial & Electrical Fuses

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Part #

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

PSR070UL0200Z
Littelfuse
1: $428.06
17In 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

17In Stock

$428.06

$347.15

$319.88

Min.: 1
Mult.: 1

Semiconductor Fuses

200 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

Industrial & Electrical Fuses 900V FAST BLOW 700A

PSR073UL0700X
Littelfuse
1: $625.78
3In Stock
4Expected 29/12/2026

Mfr. Part No.
PSR073UL0700X

Mouser Part No
576-PSR073UL0700X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 700A

Learn More

Datasheet

3In Stock

4Expected 29/12/2026

$625.78

$575.74

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

700 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR072DL0500X
Littelfuse
1: $556.11
4In 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

4In Stock

$556.11

$457.13

$424.41

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

1.3 kVAC

Fast-Acting Fuses

1 kVDC

100 kA, 150 kA

Blade / Bolt

Class aR Fuses

Visual Side Indicator

Bulk

PSR

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

PSR070UL0100Z
Littelfuse
1: $387.22
1In Stock

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

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

Learn More

Datasheet

1In Stock

$387.22

$314.66

$289.95

Min.: 1
Mult.: 1

Semiconductor Fuses

100 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR070UL0050Z
Littelfuse
1: $387.22
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

$387.22

$314.65

$289.94

Min.: 1
Mult.: 1

Semiconductor Fuses

50 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR030UL0100Z
Littelfuse
1: $285.69
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

$285.69

$231.76

$213.61

$179.84

Min.: 1
Mult.: 1

Semiconductor Fuses

100 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR030UL0250Z
Littelfuse
1: $239.40
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

$239.40

$239.39

$223.95

Min.: 1
Mult.: 1

Semiconductor Fuses

250 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR030UL0500Z
Littelfuse
1: $256.75
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

$256.75

$256.74

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR030US0125Z
Littelfuse
1: $275.24
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

$275.24

$223.29

$205.80

$173.31

Min.: 1
Mult.: 1

Semiconductor Fuses

125 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031DL0500Z
Littelfuse
1: $282.56
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

$282.56

$282.55

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

700 VAC

Fast-Acting Fuses

600 VDC

150 kA, 200 kA

Blade / Bolt

Class aR Fuses

Visual Side Indicator

Bulk

PSR

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

PSR031DS0700Z
Littelfuse
3: $325.06
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

$325.06

$325.05

Quote

Min.: 3
Mult.: 3

Semiconductor Fuses

700 A

700 VAC

Fast-Acting Fuses

600 VDC

150 kA, 200 kA

Blade / Bolt

Class aR Fuses

Visual Side Indicator

Bulk

PSR

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

PSR031UL0200Z
Littelfuse
1: $316.67
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

$316.67

$256.90

$236.77

$235.28

Min.: 1
Mult.: 1

Semiconductor Fuses

200 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031UL0400Z
Littelfuse
1: $316.20
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

$316.20

$256.52

$236.77

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

400 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031UL0500Z
Littelfuse
1: $282.56
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

$282.56

$282.55

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031UL0700Z
Littelfuse
1: $397.75
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

$397.75

$322.80

$297.46

Min.: 1
Mult.: 1

Semiconductor Fuses

700 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031US0250Z
Littelfuse
1: $306.41
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

$306.41

$248.55

$229.07

$192.84

Min.: 1
Mult.: 1

Semiconductor Fuses

250 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031US0400Z
Littelfuse
1: $256.75
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

$256.75

$256.74

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

400 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR031US0500Z
Littelfuse
1: $326.89
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

$326.89

$265.23

$244.43

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR032DL0700X
Littelfuse
1: $350.25
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

$350.25

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

700 A

700 VAC

Fast-Acting Fuses

600 VDC

150 kA, 200 kA

Blade / Bolt

Class aR Fuses

Visual Side Indicator

Bulk

PSR

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

PSR032UL0630X
Littelfuse
1: $350.25
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

$350.25

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

630 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR032UL1000X
Littelfuse
1: $438.06
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

$438.06

$362.93

$334.45

Min.: 1
Mult.: 1

Semiconductor Fuses

1 kA

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR032US0450X
Littelfuse
1: $330.89
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

$330.89

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

450 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR032US0500X
Littelfuse
1: $330.89
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

$330.89

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

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

PSR032US0800X
Littelfuse
1: $418.09
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

$418.09

$337.72

$319.23

Min.: 1
Mult.: 1

Semiconductor Fuses

800 A

Fast-Acting Fuses

Knife Blade

Class aR Fuses

Visual Indicator

Bulk

PSR

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 500A

PSR033DL0500X
Littelfuse
1: $473.75
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
PSR033DL0500X

Mouser Part No
576-PSR033DL0500X

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 500A

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$473.75

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

500 A

700 VAC

Fast-Acting Fuses

600 VDC

150 kA, 200 kA

Blade / Bolt

Class aR Fuses

Visual Side Indicator

Bulk

PSR

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