Littelfuse POWR-SPEED Circuit Breakers, Surge Protectors & Fuses

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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.
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: 502,64 € 2In Stock 1Expected 11/16/2026 New Product	Mfr. Part No. ESR3XLUB0315XI Mouser Part No 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 11/16/2026	502,64 € 412,72 € 375,58 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: 498,58 € 3In Stock New Product	Mfr. Part No. ESR3XLDB0315XI Mouser Part No 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	498,58 € 409,39 € 372,54 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: 512,90 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0400XI Mouser Part No 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	512,90 € 421,15 € 383,35 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: 523,31 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0500XI Mouser Part No 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	523,31 € 445,42 € 399,29 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: 449,28 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0250XI Mouser Part No 576-ESR3XLUB0250XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	449,28 € 368,91 € 335,71 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: 121,74 € 56In Stock	Mfr. Part No. L50QS350.V Mouser Part No 576-L50QS350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	121,74 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: 322,84 € 5In Stock	Mfr. Part No. L70QS450.X Mouser Part No 576-L70QS450.X	Littelfuse	Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	5In Stock	322,84 € 273,66 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A PSX1XLDB0630X Littelfuse 1: 618,24 € 1In Stock 12Expected 12/3/2026	Mfr. Part No. PSX1XLDB0630X Mouser Part No 576-PSX1XLDB0630X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A Learn More about Littelfuse psx square body fuses	Datasheet	1In Stock 12Expected 12/3/2026	618,24 € 527,07 € 452,08 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A PSX1XLDB0125X Littelfuse 1: 368,14 € 14In Stock	Mfr. Part No. PSX1XLDB0125X Mouser Part No 576-PSX1XLDB0125X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A Learn More about Littelfuse psx square body fuses	Datasheet	14In Stock	368,14 € 302,29 € 255,34 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: 57,61 € 43In Stock	Mfr. Part No. L50QS090.T Mouser Part No 576-L50QS090.T	Littelfuse	Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	43In Stock	57,61 € 48,40 € 47,82 € 35,97 € View 34,12 € 31,71 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: 86,88 € 125In Stock	Mfr. Part No. L50QS150.V Mouser Part No 576-L50QS150.V	Littelfuse	Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	125In Stock	86,88 € 72,05 € 66,45 € 54,97 € 50,77 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED L50QS200.V Littelfuse 1: 86,88 € 29In Stock	Mfr. Part No. L50QS200.V Mouser Part No 576-L50QS200.V	Littelfuse	Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	29In Stock	86,88 € 72,29 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED L50QS250.V Littelfuse 1: 138,14 € 20In Stock	Mfr. Part No. L50QS250.V Mouser Part No 576-L50QS250.V	Littelfuse	Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	20In Stock	138,14 € 114,56 € 105,64 € 87,38 € 80,44 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED L50QS300.V Littelfuse 1: 138,14 € 27In Stock 33Expected 11/26/2026	Mfr. Part No. L50QS300.V Mouser Part No 576-L50QS300.V	Littelfuse	Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	27In Stock 33Expected 11/26/2026	138,14 € 114,56 € 105,64 € 87,38 € 80,44 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED L50QS600.X Littelfuse 1: 205,66 € 56In Stock	Mfr. Part No. L50QS600.X Mouser Part No 576-L50QS600.X	Littelfuse	Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	205,66 € 170,49 € 157,17 € 129,88 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED L70QS100.V Littelfuse 1: 113,11 € 21In Stock	Mfr. Part No. L70QS100.V Mouser Part No 576-L70QS100.V	Littelfuse	Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	21In Stock	113,11 € 96,78 € 89,41 € 71,53 € 65,84 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED L70QS200.V Littelfuse 1: 159,42 € 48In Stock	Mfr. Part No. L70QS200.V Mouser Part No 576-L70QS200.V	Littelfuse	Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	48In Stock	159,42 € 135,17 € 124,80 € 100,72 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED L70QS300.X Littelfuse 1: 223,53 € 10In Stock	Mfr. Part No. L70QS300.X Mouser Part No 576-L70QS300.X	Littelfuse	Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	10In Stock	223,53 € 185,30 € 170,84 € 141,17 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED L70QS350.X Littelfuse 1: 228,07 € 14In Stock	Mfr. Part No. L70QS350.X Mouser Part No 576-L70QS350.X	Littelfuse	Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	14In Stock	228,07 € 205,26 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED L70QS600.X Littelfuse 1: 353,74 € 15In Stock	Mfr. Part No. L70QS600.X Mouser Part No 576-L70QS600.X	Littelfuse	Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	15In Stock	353,74 € 303,85 € 274,41 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 450A PSX1XLFL0450X Littelfuse 1: 577,64 € 6In Stock 12Expected 1/21/2027	Mfr. Part No. PSX1XLFL0450X Mouser Part No 576-PSX1XLFL0450X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 450A Learn More about Littelfuse psx square body fuses	Datasheet	6In Stock 12Expected 1/21/2027	577,64 € 496,07 € 420,92 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED L50QS060.T Littelfuse 1: 56,24 € 11In Stock 16Expected 11/10/2026	Mfr. Part No. L50QS060.T Mouser Part No 576-L50QS060.T	Littelfuse	Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	11In Stock 16Expected 11/10/2026	56,24 € 51,13 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED L50QS080.T Littelfuse 1: 62,50 € 2In Stock 12Expected 12/31/2026	Mfr. Part No. L50QS080.T Mouser Part No 576-L50QS080.T	Littelfuse	Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	2In Stock 12Expected 12/31/2026	62,50 € 56,87 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED L50QS175.V Littelfuse 1: 86,88 € 10In Stock	Mfr. Part No. L50QS175.V Mouser Part No 576-L50QS175.V	Littelfuse	Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	10In Stock	86,88 € 72,05 € 66,45 € 54,97 € 50,77 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED L50QS500.X Littelfuse 1: 205,66 € 2In Stock 14Expected 12/14/2026	Mfr. Part No. L50QS500.X Mouser Part No 576-L50QS500.X	Littelfuse	Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	2In Stock 14Expected 12/14/2026	205,66 € 182,44 €	Min.: 1 Mult.: 1

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