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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Qty. RoHS ECAD Model Series
Product
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Interrupt Rating
Mounting Style
Termination Style
Fuse Type
Fuse Size/Group
Indicator Style
Packaging
Resistance
Littelfuse Specialty Fuses 225A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
38Factory Stock Available
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Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 225 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 700A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
4Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 700 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 800A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
2Factory Stock Available
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Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 800 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 225A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

L70S Specialty Fuses Round Body Blade Fuses 225 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 63A
Datasheet
15Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 63 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 80A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 80 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 100A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 100 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 200A
Datasheet
15Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 250A
Datasheet
6Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 250 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 315A
Datasheet
6Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 315 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 400A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 400 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 500A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 500 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 550A
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 40A
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 40 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 63A
Datasheet
18Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 63 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 80A
Datasheet
24Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 80 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 100A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 100 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 160A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 160 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 200A
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 250A
Datasheet
48Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 250 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 350A
Datasheet
1Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 350 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 550A
Datasheet
6Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Box
Littelfuse Specialty Fuses 40A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 40 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 50A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
15Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 63A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
21Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 63 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 30 Visual Side Indicator Bulk