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 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
Littelfuse Specialty Fuses 80A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 80 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 100A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 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 IN
Datasheet
Non-Stocked Lead-Time 30 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 200A 700VAC SIZE 30 POWER-SPEED FLUSH IN
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 500A 700VAC SIZE 30 POWER-SPEED FLUSH IN
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 500 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 30 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 US LONG BL 50A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US LONG BL 80A
Datasheet
Non-Stocked Lead-Time 18 Weeks
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 30 US LONG BL 125A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US LONG BL 160A
Datasheet
Non-Stocked Lead-Time 18 Weeks
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 30 US LONG BL 200A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US LONG BL 350A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US LONG BL 500A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US LONG BL 630A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 50A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US SHRT BL 63A
Datasheet
Non-Stocked Lead-Time 18 Weeks
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 30 US SHRT BL 80A
Datasheet
Non-Stocked Lead-Time 18 Weeks
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 30 US SHRT BL 125A
Datasheet
Lead-Time 15 Weeks
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 30 US SHRT BL 200A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US SHRT BL 250A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses 700V SIZE 30 FLUSH 500A
Datasheet
Non-Stocked Lead-Time 15 Weeks
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 30 US SHORT BL 630A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 200A
Datasheet
Non-Stocked Lead-Time 18 Weeks
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 31 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 315A
Datasheet
Non-Stocked Lead-Time 18 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 31 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 350A
Datasheet
Non-Stocked Lead-Time 18 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 31 Visual Side Indicator Box