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 (DKK) 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 US LONG BL 160A PSR030UL0160Z Littelfuse 1: 1.535,86 kr. 3Factory Stock Available	Mfr. Part No. PSR030UL0160Z Mouser Part No 576-PSR030UL0160Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 160A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	1.535,86 kr. 1.404,49 kr. 1.345,34 kr. 1.273,72 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	160 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 200A PSR030UL0200Z Littelfuse 1: 1.535,79 kr. 12Factory Stock Available	Mfr. Part No. PSR030UL0200Z Mouser Part No 576-PSR030UL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 200A Learn More about Littelfuse psr fuses	Datasheet	12Factory Stock Available More Info Available	1.535,79 kr. 1.405,31 kr. 1.347,05 kr. 1.275,44 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 315A PSR030UL0315Z Littelfuse 1: 1.531,54 kr. 1Factory Stock Available	Mfr. Part No. PSR030UL0315Z Mouser Part No 576-PSR030UL0315Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 315A Learn More about Littelfuse psr fuses	Datasheet	1Factory Stock Available More Info Available	1.531,54 kr. 1.411,28 kr. 1.358,02 kr. 1.292,52 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	315 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 400A PSR030UL0400Z Littelfuse 1: 1.647,24 kr. 12Factory Stock Available	Mfr. Part No. PSR030UL0400Z Mouser Part No 576-PSR030UL0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 400A Learn More about Littelfuse psr fuses	Datasheet	12Factory Stock Available More Info Available	1.647,24 kr. 1.513,04 kr. 1.449,18 kr. 1.371,82 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A PSR030UL0500Z Littelfuse 1: 1.649,93 kr. 6Factory Stock Available	Mfr. Part No. PSR030UL0500Z Mouser Part No 576-PSR030UL0500Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	1.649,93 kr. 1.482,08 kr. 1.421,73 kr. 1.351,01 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 550A PSR030UL0550Z Littelfuse 1: 2.097,68 kr. 7Factory Stock Available	Mfr. Part No. PSR030UL0550Z Mouser Part No 576-PSR030UL0550Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 550A Learn More about Littelfuse psr fuses	Datasheet	7Factory Stock Available More Info Available	2.097,68 kr. 1.701,63 kr. 1.494,09 kr. 1.490,14 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	550 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 630A PSR030UL0630Z Littelfuse 1: 2.097,38 kr. 3Factory Stock Available	Mfr. Part No. PSR030UL0630Z Mouser Part No 576-PSR030UL0630Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 630A	Datasheet	3Factory Stock Available More Info Available	2.097,38 kr. 1.701,33 kr. 1.568,09 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	630 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 40A PSR030US0040Z Littelfuse 1: 1.423,74 kr. 5Factory Stock Available	Mfr. Part No. PSR030US0040Z Mouser Part No 576-PSR030US0040Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 40A Learn More about Littelfuse psr fuses	Datasheet	5Factory Stock Available More Info Available	1.423,74 kr. 1.317,59 kr. 1.261,56 kr. 1.186,51 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 50A PSR030US0050Z Littelfuse 1: 1.699,02 kr. 6Factory Stock Available	Mfr. Part No. PSR030US0050Z Mouser Part No 576-PSR030US0050Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 50A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	1.699,02 kr. 1.301,02 kr. 1.212,10 kr. 1.069,84 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	50 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 80A PSR030US0080Z Littelfuse 1: 1.699,02 kr. 21Factory Stock Available	Mfr. Part No. PSR030US0080Z Mouser Part No 576-PSR030US0080Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 80A Learn More about Littelfuse psr fuses	Datasheet	21Factory Stock Available More Info Available	1.699,02 kr. 1.301,32 kr. 1.211,65 kr. 1.069,84 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	80 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 100A PSR030US0100Z Littelfuse 1: 1.478,05 kr. 3Factory Stock Available	Mfr. Part No. PSR030US0100Z Mouser Part No 576-PSR030US0100Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 100A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	1.478,05 kr. 1.350,19 kr. 1.293,34 kr. 1.224,56 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	100 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 200A PSR030US0200Z Littelfuse 1: 1.472,38 kr. 6Factory Stock Available	Mfr. Part No. PSR030US0200Z Mouser Part No 576-PSR030US0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 200A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	1.472,38 kr. 1.356,97 kr. 1.305,80 kr. 1.242,99 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 250A PSR030US0250Z Littelfuse 1: 1.470,14 kr. 12Factory Stock Available	Mfr. Part No. PSR030US0250Z Mouser Part No 576-PSR030US0250Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 250A Learn More about Littelfuse psr fuses	Datasheet	12Factory Stock Available More Info Available	1.470,14 kr. 1.320,49 kr. 1.261,49 kr. 1.198,67 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 350A PSR030US0350Z Littelfuse 1: 1.590,47 kr. 3Factory Stock Available	Mfr. Part No. PSR030US0350Z Mouser Part No 576-PSR030US0350Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 350A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	1.590,47 kr. 1.465,59 kr. 1.410,24 kr. 1.342,05 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 400A PSR030US0400Z Littelfuse 1: 1.701,78 kr. 7Factory Stock Available	Mfr. Part No. PSR030US0400Z Mouser Part No 576-PSR030US0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 400A Learn More about Littelfuse psr fuses	Datasheet	7Factory Stock Available More Info Available	1.701,78 kr. 1.441,79 kr. 1.342,80 kr. 1.195,54 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHORT BL 630A PSR030US0630Z Littelfuse 1: 2.101,78 kr. 3Factory Stock Available	Mfr. Part No. PSR030US0630Z Mouser Part No 576-PSR030US0630Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHORT BL 630A	Datasheet	3Factory Stock Available More Info Available	2.101,78 kr. 1.705,13 kr. 1.477,38 kr. 1.397,18 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	630 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 350A PSR031DL0350Z Littelfuse 1: 1.702,52 kr. 3Factory Stock Available	Mfr. Part No. PSR031DL0350Z Mouser Part No 576-PSR031DL0350Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 350A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	1.702,52 kr. 1.573,91 kr. 1.514,31 kr. 1.440,97 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 700A PSR031DL0700Z Littelfuse 3: 2.138,48 kr. 17Factory Stock Available	Mfr. Part No. PSR031DL0700Z Mouser Part No 576-PSR031DL0700Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 700A Learn More about Littelfuse psr fuses	Datasheet	17Factory Stock Available More Info Available	2.138,48 kr. 1.986,60 kr. 1.917,59 kr. Quote Quote	Min.: 3 Mult.: 3	Semiconductor Fuses	700 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 800A PSR031DL0800Z Littelfuse 3: 2.139,45 kr. 3Factory Stock Available	Mfr. Part No. PSR031DL0800Z Mouser Part No 576-PSR031DL0800Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 800A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	2.139,45 kr. 1.978,77 kr. 1.902,00 kr. Quote Quote	Min.: 3 Mult.: 3	Semiconductor Fuses	800 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 350A PSR031DS0350Z Littelfuse 1: 1.647,24 kr. 6Factory Stock Available	Mfr. Part No. PSR031DS0350Z Mouser Part No 576-PSR031DS0350Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 350A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	1.647,24 kr. 1.519,83 kr. 1.462,23 kr. 1.391,51 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 400A PSR031DS0400Z Littelfuse 1: 1.647,24 kr. 6Factory Stock Available	Mfr. Part No. PSR031DS0400Z Mouser Part No 576-PSR031DS0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 400A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	1.647,24 kr. 1.519,83 kr. 1.462,23 kr. 1.391,51 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 800A PSR031DS0800Z Littelfuse 3: 2.081,49 kr. 6Factory Stock Available	Mfr. Part No. PSR031DS0800Z Mouser Part No 576-PSR031DS0800Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 800A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	2.081,49 kr. 1.933,48 kr. 1.866,34 kr. Quote Quote	Min.: 3 Mult.: 3	Semiconductor Fuses	800 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 630A 700V SIZE 31 Flush End Mtrc Thred PSR031FL0630Z Littelfuse 3: 2.359,37 kr. 26Factory Stock Available	Mfr. Part No. PSR031FL0630Z Mouser Part No 576-PSR031FL0630Z	Littelfuse	Industrial & Electrical Fuses 630A 700V SIZE 31 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	26Factory Stock Available More Info Available	2.359,37 kr. 1.847,99 kr. 1.758,32 kr. 1.754,82 kr.	Min.: 3 Mult.: 3	Semiconductor Fuses	630 A	700 VAC	Fast-Acting Fuses	600 VDC		Quick Connect	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End In. Thred PSR031FS0350Z Littelfuse 1: 1.765,71 kr. 9Factory Stock Available	Mfr. Part No. PSR031FS0350Z Mouser Part No 576-PSR031FS0350Z	Littelfuse	Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End In. Thred Learn More about Littelfuse psr fuses	Datasheet	9Factory Stock Available More Info Available	1.765,71 kr. 1.432,77 kr. 1.320,42 kr. 1.111,76 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A	700 VAC	Fast-Acting Fuses	600 VDC		Quick Connect	Class aR Fuses	31	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 200A PSR031UL0200Z Littelfuse 1: 2.060,08 kr. 3Factory Stock Available	Mfr. Part No. PSR031UL0200Z Mouser Part No 576-PSR031UL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 200A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	2.060,08 kr. 1.671,49 kr. 1.540,42 kr. 1.297,07 kr.	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	31	Visual Indicator	Bulk	PSR