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 800A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 800 A 250 VAC 200 VDC 20 kA at 200 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 125A 600VAC VDC FF L60S POWR-SPEED
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1

L60S Specialty Fuses Cartridge Fuses 125 A 600 VAC 200 kA at 600 VAC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 175A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 175 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 40A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 110MM 50A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 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 125A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 125 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 160A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 110MM 350A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 110MM 450A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 450 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 630A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 550 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 50A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 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 125A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 125 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 315A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 80MM 400A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 80MM 450A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 450 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 500A
Datasheet
Non-Stocked Lead-Time 21 Weeks
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 80MM 630A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 550 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 100A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 100 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 160A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 160 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 315A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 315 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 400A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 400 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 550A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 40A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
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 In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
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 In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
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