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 (SGD) 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 350A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
16In Stock
Min.: 1
Mult.: 1
L70QS Specialty Fuses Round Body Fuses 350 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
20In Stock
Min.: 1
Mult.: 1
L70QS Specialty Fuses Round Body Fuses 600 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
63In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 35 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 90A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
62In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 90 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 225A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
18In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 225 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 60A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
43In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 60 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
88In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 80 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
8In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 500 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 250A 150VAC 100VDC FF L15S POWR-SPEED
Datasheet
72In Stock
Min.: 1
Mult.: 1
L15S Specialty Fuses Round Body Blade Fuses 250 A 150 VAC 100 VDC 20 kA at 100 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
9In Stock
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 600 A 250 VAC 200 VDC 20 kA at 200 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
25In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 80 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 175A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
9In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 175 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 60A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
13In Stock
Min.: 1
Mult.: 1

L50S Specialty Fuses Round Body Blade Fuses 60 A 500 VAC 450 VDC 20 kA at 450 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
20In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 50 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 250 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
9In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 300 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M
Datasheet
4In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 1.3 kVAC 1 kVDC Snap In Quick Connect Fast Blow 72 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 60A 250VAC 250VDC FF L25S POWR-SPEED
Datasheet
1In Stock
45On Order
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 60 A 250 VAC 250 VDC 20 kA at 250 VDC Stud Bolt Down Fast Blow 5AG Without Indicator Bulk
Littelfuse Specialty Fuses 125A 250VAC 250VDC FF L25S POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1

L25S Specialty Fuses Round Body Blade Fuses 125 A 250 VAC 250 VDC 20 kA at 250 VDC Stud Bolt Down Fast Blow 5AG Without Indicator Bulk
Littelfuse Specialty Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
7In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 40 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 70A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
17In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 70 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 275A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 275 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 700A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
1In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 700 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 63.5 mm x 157.15 mm Without Indicator Bulk
Littelfuse Specialty Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
3In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 40 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 400A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 400 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk