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 POWR-SPEED SQB SIZE 33 DIN 110MM 500A
Datasheet
Non-Stocked Lead-Time 15 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 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 800A
Datasheet
Non-Stocked Lead-Time 15 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 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 900A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 900 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1000A
Datasheet
Non-Stocked Lead-Time 15 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 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1250A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.25 kA 700 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1400A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.4 kA 700 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1500A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.5 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1800A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.8 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 2250A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 2.25 kA 550 VAC 480 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 550A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 630A
Datasheet
Non-Stocked Lead-Time 15 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 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1000A
Datasheet
Non-Stocked Lead-Time 15 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 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1400A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.4 kA 700 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1500A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.5 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 2250A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 2.25 kA 550 VAC 480 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 450A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 450 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 500A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 500 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 630A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1100A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.1 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1250A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.25 A 700 VAC 600 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1500A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.5 A 700 VAC 500 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1800A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.8 A 700 VAC 500 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 500A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 500 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 550A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 700A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk