PSR High-Speed Square Body Fuses

Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for the protection of power semiconductor devices. The fuses from Littelfuse combine extreme current limitation benefits with balanced performance levels to meet the precise requirements for protecting sensitive power electronics devices. These devices include diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed for power conversion and power conditioning equipment.

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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 450A 700V SIZE 31 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 450 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 630A 700V SIZE 31 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 200A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 200 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 250A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 250 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 400A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 400 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 500A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 500 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 630A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 700A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 800A 700V SIZE 31 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 800 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 31 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 US LONG BL 315A
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 31 US LONG BL 350A
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 31 US LONG BL 450A
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 31 US LONG BL 700A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 250A
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 31 US SHRT BL 400A
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 31 US SHRT BL 450A
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 31 US SHRT BL 630A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 700A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 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 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 630A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 700A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 800A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 800 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 1000A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1 kA 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB Size 32 DIN 110MM 1100A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.1 kA 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1250A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.25 kA 500 VAC 450 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 32 Visual Side Indicator Bulk