Powr-Speed® High-Speed Fuses

Littelfuse Powr-Speed® High-Speed Fuses protect critical power electronics from overcurrents that may cause damage to equipment. Littelfuse high-speed fuses are reliable, fast-acting devices that can reduce the amount of short circuit current and improve the life of power semiconductor devices. Littelfuse Powr-Speed Fuses are engineered with an innovative bridge design, arc-quenching material, and a robust element to provide fast, extreme current limitation.

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Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 125A
Datasheet
12Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 125 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 160A
Datasheet
14Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 160 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 250A
Datasheet
51Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 250 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 315A
Datasheet
33Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 315 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses 100A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
8Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 100 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 125A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 125 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 160A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
2Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 160 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 50A 1000V SIZE 70 Flush End In Thread
Datasheet
10Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 125A 1000V SIZE 70 Flush End In Thread
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 125 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 160A 1000V SIZE 70 Flush End In Thread
Datasheet
10Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 160 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 250A 1000V SIZE 70 Flush End In Thread
Datasheet
22Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 250 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 280A 1000V SIZE 70 Flush End In Thread
Datasheet
1Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 280 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 315A 1000V SIZE 70 Flush End In Thread
Datasheet
5Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 315 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Stud Threaded Stud Fast Blow 70 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 63A
Datasheet
9Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 71 DIN 110MM 200A
Datasheet
9Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 200 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 71 Visual Side Indicator Box
Littelfuse Specialty Fuses 1K V SIZE 71 FLUSH 315A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 315 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 71 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 71 DIN 110MM 400A
Datasheet
6Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 400 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 71 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 71 DIN 110MM 450A
Datasheet
103Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 450 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 71 Visual Side Indicator Box
Littelfuse Specialty Fuses 160A 1250VAC SIZE 71 POWER-SPEED FLUSH M
Datasheet
6Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 160 A 1.3 kVAC 1 kVDC Snap In Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 160A 1250VAC SIZE 71 POWER-SPEED FLUSH I
Datasheet
2Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 1.3 kVAC 1 kVDC Snap In Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 200A 1250VAC SIZE 71 POWER-SPEED FLUSH I
Datasheet
2Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 1.3 kVAC 1 kVDC 100 kA at 1.3 kVAC Snap In Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 250A 1250VAC SIZE 71 POWER-SPEED FLUSH I
Datasheet
28Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 250 A 1.3 kVAC 1 kVDC Snap In Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 280A 700V SIZE 71 Flush End In. Thred
Datasheet
6Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 280 A 1.3 kVAC 1 kVDC Holder Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 350A 1250VAC SIZE 71 POWER-SPEED FLUSH I
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 350 A 1.3 kVAC 1 kVDC Snap In Quick Connect Fast Blow 71 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 71 US LONG BL 160A
Datasheet
3Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box