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.

Results: 736
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
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 280A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
3In Stock
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 450A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
1In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 450 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 35 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
2In Stock
Min.: 1
Mult.: 1
L70S Specialty Fuses Round Body Blade Fuses 15 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED
Datasheet
7In Stock
Min.: 1
Mult.: 1
L15S Specialty Fuses Round Body Blade Fuses 800 A 150 VAC 100 VDC 20 kA at 100 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 225 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 90A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
1In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 90 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 10A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
1In Stock
Min.: 1
Mult.: 1
L70S Specialty Fuses Round Body Blade Fuses 10 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 60A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
5In Stock
Min.: 1
Mult.: 1
L70S Specialty Fuses Round Body Blade Fuses 60 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 30A 600VAC VDC FF KLC POWR-SPEED
Datasheet
14In Stock
Min.: 1
Mult.: 1
KLC Specialty Fuses Cartridge Blade Fuses 30 A 600 VAC 200 kA at 600 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 350 A 500 VAC 450 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 25A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
2In Stock
Min.: 1
Mult.: 1
L50S Specialty Fuses Round Body Blade Fuses 25 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
10In Stock
Min.: 1
Mult.: 1
L70S Specialty Fuses Round Body Blade Fuses 125 A 700 VAC 650 VDC 20 kA at 650 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 900V FAST BLOW 800A
Datasheet
9In Stock
Min.: 1
Mult.: 1
PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A
Datasheet
45In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
76In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 100 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 25.4 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
44In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 125 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
53In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 150 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
52In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 200 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
30In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 250 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
54In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 300 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
75In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 350 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
16In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 500 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 50.8 mm x 113.49 mm Without Indicator Bulk
Littelfuse Specialty Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
33In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 150 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
71In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 200 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk