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.

Results: 500
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. 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 US LONG BL 400A 12Factory Stock Available
266,28 €
216,07 €
199,12 €
167,66 €
Min.: 1
Mult.: 1
Semiconductor Fuses 400 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 500A 6Factory Stock Available
266,28 €
216,07 €
199,12 €
167,66 €
Min.: 1
Mult.: 1
Semiconductor Fuses 500 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 550A 7Factory Stock Available
281,27 €
233,06 €
214,82 €
Min.: 1
Mult.: 1
Semiconductor Fuses 550 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 630A 3Factory Stock Available
281,15 €
228,06 €
210,20 €
Min.: 1
Mult.: 1
Semiconductor Fuses 630 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 40A 5Factory Stock Available
231,59 €
191,98 €
177,00 €
146,26 €
Min.: 1
Mult.: 1
Semiconductor Fuses 40 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 50A 6Factory Stock Available
231,59 €
191,98 €
177,00 €
146,26 €
Min.: 1
Mult.: 1
Semiconductor Fuses 50 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 100A 3Factory Stock Available
236,69 €
192,06 €
177,00 €
149,03 €
Min.: 1
Mult.: 1
Semiconductor Fuses 100 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHRT BL 350A 3Factory Stock Available
256,42 €
208,06 €
191,75 €
161,45 €
Min.: 1
Mult.: 1
Semiconductor Fuses 350 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US SHORT BL 630A 3Factory Stock Available
276,15 €
224,06 €
206,49 €
173,87 €
Min.: 1
Mult.: 1
Semiconductor Fuses 630 A Fast-Acting Fuses Knife Blade Class aR Fuses 30 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 350A 3Factory Stock Available
276,15 €
224,06 €
206,49 €
173,87 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 700A 17Factory Stock Available
341,97 €
283,32 €
261,10 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 110MM 800A 3Factory Stock Available
341,97 €
283,32 €
261,10 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 350A 6Factory Stock Available
266,28 €
216,07 €
199,12 €
167,66 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 400A 9Factory Stock Available
266,28 €
216,07 €
199,12 €
167,66 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 DIN 80MM 800A 6Factory Stock Available
332,47 €
275,44 €
253,85 €
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
Littelfuse Industrial & Electrical Fuses 630A 700V SIZE 31 Flush End Mtrc Thred 27Factory Stock Available
320,07 €
265,21 €
244,45 €
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
Littelfuse Industrial & Electrical Fuses 315A 700V SIZE 31 Flush End In. Thred 1Factory Stock Available
236,69 €
192,06 €
177,00 €
149,03 €
Min.: 1
Mult.: 1
Semiconductor Fuses 315 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 31 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 350A 700V SIZE 31 Flush End In. Thred 9Factory Stock Available
236,69 €
192,06 €
177,00 €
149,03 €
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
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 200A 3Factory Stock Available
276,15 €
224,06 €
206,49 €
173,87 €
Min.: 1
Mult.: 1
Semiconductor Fuses 200 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 250A 3Factory Stock Available
276,15 €
224,06 €
206,49 €
173,87 €
Min.: 1
Mult.: 1
Semiconductor Fuses 250 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 400A 3Factory Stock Available
276,15 €
224,06 €
206,49 €
173,87 €
Min.: 1
Mult.: 1
Semiconductor Fuses 400 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 800A 12Factory Stock Available
341,97 €
283,32 €
261,10 €
Min.: 3
Mult.: 3
Semiconductor Fuses 800 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 900A 3Factory Stock Available
377,58 €
310,04 €
282,14 €
Min.: 3
Mult.: 3
Semiconductor Fuses 900 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 550A 6Factory Stock Available
281,27 €
233,06 €
214,82 €
Min.: 1
Mult.: 1
Semiconductor Fuses 550 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US SHRT BL 800A 6Factory Stock Available
332,47 €
275,44 €
253,85 €
Min.: 3
Mult.: 3
Semiconductor Fuses 800 A Fast-Acting Fuses Knife Blade Class aR Fuses 31 Visual Indicator Bulk PSR