Industrial & Electrical Fuses

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Current Rating	Voltage Rating AC	Fuse Type	Voltage Rating DC	Interrupt Rating	Termination Style	Class	Fuse Size/Group	Indicator Style	Packaging	Series
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 500A PSR030DL0500Z Littelfuse 1: 236,58 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DL0500Z Mouser Part No 576-PSR030DL0500Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 500A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	236,58 € 200,43 € 186,66 € 165,84 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 550A PSR030DL0550Z Littelfuse 1: 250,55 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DL0550Z Mouser Part No 576-PSR030DL0550Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 550A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	250,55 € 214,94 € 200,30 € 199,71 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 630A PSR030DL0630Z Littelfuse 1: 281,15 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DL0630Z Mouser Part No 576-PSR030DL0630Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 110MM 630A	Datasheet	Non-Stocked Lead-Time 21 Weeks	281,15 € 228,06 € 210,20 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 40A PSR030DS0040Z Littelfuse 1: 190,85 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0040Z Mouser Part No 576-PSR030DS0040Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 40A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	190,85 € 176,62 € 169,11 € 159,05 €	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 50A PSR030DS0050Z Littelfuse 1: 190,84 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0050Z Mouser Part No 576-PSR030DS0050Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 50A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	190,84 € 177,25 € 170,49 € 161,29 €	Min.: 1 Mult.: 1	Semiconductor Fuses	50 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 63A PSR030DS0063Z Littelfuse 1: 190,84 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0063Z Mouser Part No 576-PSR030DS0063Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 63A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	190,84 € 177,25 € 170,49 € 161,29 €	Min.: 1 Mult.: 1	Semiconductor Fuses	63 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 80A PSR030DS0080Z Littelfuse 1: 227,75 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0080Z Mouser Part No 576-PSR030DS0080Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 80A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	227,75 € 184,77 € 170,31 € 143,41 €	Min.: 1 Mult.: 1	Semiconductor Fuses	80 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 100A PSR030DS0100Z Littelfuse 1: 236,68 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0100Z Mouser Part No 576-PSR030DS0100Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 100A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	236,68 € 178,91 € 166,65 € 149,05 €	Min.: 1 Mult.: 1	Semiconductor Fuses	100 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 125A PSR030DS0125Z Littelfuse 1: 197,37 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0125Z Mouser Part No 576-PSR030DS0125Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 125A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	197,37 € 181,90 € 175,04 € 166,62 €	Min.: 1 Mult.: 1	Semiconductor Fuses	125 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 160A PSR030DS0160Z Littelfuse 1: 215,55 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0160Z Mouser Part No 576-PSR030DS0160Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 160A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	215,55 € 178,91 € 166,65 € 149,04 €	Min.: 1 Mult.: 1	Semiconductor Fuses	160 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 200A PSR030DS0200Z Littelfuse 1: 197,37 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0200Z Mouser Part No 576-PSR030DS0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 200A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	197,37 € 181,90 € 175,04 € 166,62 €	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 250A PSR030DS0250Z Littelfuse 1: 197,37 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0250Z Mouser Part No 576-PSR030DS0250Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 250A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	197,37 € 181,90 € 175,04 € 166,62 €	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 315A PSR030DS0315Z Littelfuse 1: 236,68 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0315Z Mouser Part No 576-PSR030DS0315Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 315A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	236,68 € 178,91 € 166,65 € 149,05 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 350A PSR030DS0350Z Littelfuse 1: 213,36 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0350Z Mouser Part No 576-PSR030DS0350Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 350A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	213,36 € 195,56 € 187,30 € 177,31 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 400A PSR030DS0400Z Littelfuse 1: 214,23 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0400Z Mouser Part No 576-PSR030DS0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 400A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	214,23 € 189,62 € 181,55 € 171,57 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 450A PSR030DS0450Z Littelfuse 1: 227,03 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0450Z Mouser Part No 576-PSR030DS0450Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 450A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	227,03 € 192,98 € 179,89 € 160,26 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 500A PSR030DS0500Z Littelfuse 1: 262,41 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0500Z Mouser Part No 576-PSR030DS0500Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 500A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	262,41 € 196,33 € 182,74 € 164,78 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 550A PSR030DS0550Z Littelfuse 1: 229,11 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0550Z Mouser Part No 576-PSR030DS0550Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 550A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	229,11 € 205,88 € 197,36 € 187,53 €	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
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 630A PSR030DS0630Z Littelfuse 1: 276,15 € Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. PSR030DS0630Z Mouser Part No 576-PSR030DS0630Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 DIN 80MM 630A	Datasheet	Non-Stocked Lead-Time 21 Weeks	276,15 € 224,06 € 206,49 € 173,87 €	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
Industrial & Electrical Fuses 40A 700V SIZE 30 Flush End Mtrc Thred PSR030FL0040Z Littelfuse 1: 159,18 € Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. PSR030FL0040Z Mouser Part No 576-PSR030FL0040Z	Littelfuse	Industrial & Electrical Fuses 40A 700V SIZE 30 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	159,18 € 149,85 € 136,48 € 134,80 €	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
Industrial & Electrical Fuses 50A 700V SIZE 30 Flush End Mtrc Thred PSR030FL0050Z Littelfuse 1: 191,42 € Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. PSR030FL0050Z Mouser Part No 576-PSR030FL0050Z	Littelfuse	Industrial & Electrical Fuses 50A 700V SIZE 30 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	191,42 € 152,90 € 143,17 € 120,59 €	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
Industrial & Electrical Fuses 63A 700V SIZE 30 Flush End Mtrc Thred PSR030FL0063Z Littelfuse 1: 172,83 € Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. PSR030FL0063Z Mouser Part No 576-PSR030FL0063Z	Littelfuse	Industrial & Electrical Fuses 63A 700V SIZE 30 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	172,83 € 152,90 € 143,17 € 120,59 €	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
Industrial & Electrical Fuses 100A 700V SIZE 30 Flush End Mtrc Thred PSR030FL0100Z Littelfuse 1: 172,83 € Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. PSR030FL0100Z Mouser Part No 576-PSR030FL0100Z	Littelfuse	Industrial & Electrical Fuses 100A 700V SIZE 30 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	172,83 € 152,90 € 143,17 € 120,59 €	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
Industrial & Electrical Fuses 160A 700VAC SIZE 30 POWER-SPEED FLUSH M PSR030FL0160Z Littelfuse 1: 211,45 € Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. PSR030FL0160Z Mouser Part No 576-PSR030FL0160Z	Littelfuse	Industrial & Electrical Fuses 160A 700VAC SIZE 30 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	211,45 € 175,29 € 161,60 € 133,54 €	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
Industrial & Electrical Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M PSR030FL0250Z Littelfuse 1: 211,45 € Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. PSR030FL0250Z Mouser Part No 576-PSR030FL0250Z	Littelfuse	Industrial & Electrical Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	211,45 € 175,29 € 161,60 € 133,54 €	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A	700 VAC	Fast-Acting Fuses	600 VDC		Quick Connect	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR