Littelfuse PSR Series Industrial & Electrical Fuses

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Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
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Mounting Style
Termination Style
Fuse Size/Group
Indicator Style
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Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A
Datasheet
35In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 50 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Screw Blade / Boltdown 70 Visual Side Indicator Box
Littelfuse Industrial & Electrical Fuses 900V FAST BLOW 700A
Datasheet
6In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A
Datasheet
7In Stock
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 72 Visual Side Indicator Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A
Datasheet
2In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 350 A 700 VAC Fast Blow 600 VDC Square Body Fuses Holder Quick Connect 31 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
9In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 125 A 700 VAC Fast Blow 600 VDC Square Body Fuses Snap In Quick Connect 30 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
6In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 250 A 700 VAC Fast Blow 600 VDC Square Body Fuses Snap In Quick Connect 30 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M
Datasheet
4In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 400 A 1.3 kVAC Fast Blow 1 kVDC Square Body Fuses Snap In Quick Connect 71 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 280A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
3In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 280 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 70 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 US LONG BL 800A
Datasheet
9In Stock
Min.: 1
Mult.: 1
PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M
Datasheet
4In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 630 A 1.3 kVAC Fast Blow 1 kVDC Square Body Fuses Snap In Quick Connect 72 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 80A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 80 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 70 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 200 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 70 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 250A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 250 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 70 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End In Thread
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 200 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 70 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 700 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 73 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 700A 700V SIZE 31 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 700 A 700 VAC Fast Blow 600 VDC Square Body Fuses Holder Quick Connect 31 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 80A
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 250A
Datasheet
2In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End In Thread
Datasheet
1In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses 700 A 1.3 kVAC Fast Blow 1 kVDC 100 kA, 150 kA Square Body Fuses Stud Threaded Stud 73 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A
Datasheet
9Expected 5/5/2026
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 100A
Datasheet
5Expected 3/4/2026
Min.: 1
Mult.: 1

PSR Specialty Fuses Fast Blow Square Body Blade Fuses Screw Knife Blade Visual Blown Fuse Box
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 500A
Datasheet
Non-Stocked Lead-Time 11 Weeks
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 33 Visual Side Indicator Box
Littelfuse Industrial & Electrical Fuses 315A 1250VAC SIZE 71 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 315 A 1.3 kVAC Fast Blow 1 kVDC Square Body Fuses Snap In Quick Connect 71 Visual Side Indicator Bulk