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 Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Termination Style
Class
Fuse Size/Group
Indicator Style
Packaging
Series
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 315A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 315 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 350A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 350 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 400A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 400 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 450A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 500A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 550A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 550 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 630A
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 630 A 700 VAC Fast-Acting Fuses 550 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 40A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 40 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 50A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 63A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 63 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 80A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 80 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 100A 700V SIZE 30 Flush End Mtrc Thred
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 100 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 160A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 160 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 315A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 315 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 350A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 350 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 400A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 400 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 450A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 500A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 550A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 550 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 40A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 40 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 50A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 63A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 63 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 80A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 80 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 100A 700V SIZE 30 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 100 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
Lead-Time 30 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 125 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR