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
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Fuse Size/Group
Indicator Style
Packaging
Littelfuse Industrial & Electrical Fuses 450A 700VAC SIZE 30 POWER-SPEED FLUSH IN
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 450 A 700 VAC Fast Blow 600 VDC Square Body Blade Fuses Snap In Quick Connect 30 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 500A 700VAC SIZE 30 POWER-SPEED FLUSH IN
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 500 A 700 VAC Fast Blow 600 VDC Square Body Blade Fuses Snap In Quick Connect 30 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses 550A 700VAC SIZE 30 POWER-SPEED FLUSH IN
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 550 A 700 VAC Fast Blow 600 VDC Square Body Blade Fuses Snap In Quick Connect 30 Visual Side Indicator Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 40A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 40 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 50A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 50 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 63A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 63 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 80A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 80 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 100A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 100 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 125A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 125 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 160A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 160 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 200A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 200 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 250A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 250 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 315A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 315 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 350A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 350 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 400A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 400 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 450A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 450 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 500 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 550A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 550 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 40A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 40 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 50A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

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

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

PSR Specialty Fuses 80 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 100A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 100 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 125A
Datasheet
Lead-Time 15 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 125 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 160A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

PSR Specialty Fuses 160 A Fast Blow Square Body Blade Fuses Screw Knife Blade 30 Visual Blown Fuse Bulk