Industrial & Electrical Fuses

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 70 US LONG BL 200A PSR070UL0200Z Littelfuse 1: $408.373 18In Stock	Mfr. Part # PSR070UL0200Z Mouser Part # 576-PSR070UL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A Learn More about Littelfuse psr fuses	Datasheet	18In Stock	$408.373 $359.783 $348.368	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: $152.788 56In Stock	Mfr. Part # L50QS350.V Mouser Part # 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	$152.788 $124.306 $114.247 $103.731	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: $406.858 5In Stock	Mfr. Part # L70QS450.X Mouser Part # 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	$406.858 $354.451	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	700 VAC	Fast-Acting Fuses	700 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L70QS
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A PSR072DL0500X Littelfuse 1: $538.000 5In Stock	Mfr. Part # PSR072DL0500X Mouser Part # 576-PSR072DL0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A Learn More about Littelfuse psr fuses	Datasheet	5In Stock	$538.000 $454.275 $451.404 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A	1.3 kVAC	Fast-Acting Fuses	1 kVDC	100 kA, 150 kA	Blade / Bolt	Class aR Fuses	72	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A PSR032UL0400X Littelfuse 1: $424.095 2In Stock	Mfr. Part # PSR032UL0400X Mouser Part # 576-PSR032UL0400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A Learn More about Littelfuse psr fuses	Datasheet	2In Stock	$424.095 $320.729 $306.853 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	32	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred PSR070FL0200Z Littelfuse 1: $465.611 1In Stock	Mfr. Part # PSR070FL0200Z Mouser Part # 576-PSR070FL0200Z	Littelfuse	Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	1In Stock	$465.611 $364.580 $347.035 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A	1.3 kVAC	Fast-Acting Fuses	1 kVDC	100 kA, 150 kA	Threaded	Class aR Fuses	70	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 40A 600VAC/600VDC PCB Mount L60QS040.HXR Littelfuse 1: $57.157 139In Stock	Mfr. Part # L60QS040.HXR Mouser Part # 576-L60QS040.HXR	Littelfuse	Industrial & Electrical Fuses 40A 600VAC/600VDC PCB Mount Learn More about Littelfuse l60qs semiconductor fuses	Datasheet	139In Stock	$57.157 $47.428 $43.748 $36.229 View $33.381 $30.544 Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA, 200 kA		Class aR Fuses			Bulk	L60QS
Industrial & Electrical Fuses 40A 600VAC/600VDC Cartridge L60QS040.T Littelfuse 1: $47.633 126In Stock 240Expected 1/7/2027	Mfr. Part # L60QS040.T Mouser Part # 576-L60QS040.T	Littelfuse	Industrial & Electrical Fuses 40A 600VAC/600VDC Cartridge Learn More about Littelfuse l60qs semiconductor fuses	Datasheet	126In Stock 240Expected 1/7/2027	$47.633 $39.521 $36.457 $30.191 View $27.821 $25.451 $23.640	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA, 200 kA		Class aR Fuses			Bulk	L60QS
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: $76.320 43In Stock	Mfr. Part # L50QS090.T Mouser Part # 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	$76.320 $64.118 $63.344 $47.656 View $45.206 $42.005	Min.: 1 Mult.: 1	Semiconductor Fuses	90 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED L50QS100.T Littelfuse 1: $70.214 286In Stock 90Expected 11/5/2026	Mfr. Part # L50QS100.T Mouser Part # 576-L50QS100.T	Littelfuse	Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	286In Stock 90Expected 11/5/2026	$70.214 $60.302 $54.024 $49.331 View $45.252 $42.005	Min.: 1 Mult.: 1	Semiconductor Fuses	100 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: $109.781 115In Stock	Mfr. Part # L50QS150.V Mouser Part # 576-L50QS150.V	Littelfuse	Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	115In Stock	$109.781 $94.195 $87.861 $74.144 View $68.265 Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	150 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED L50QS200.V Littelfuse 1: $115.090 29In Stock	Mfr. Part # L50QS200.V Mouser Part # 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	$115.090 $95.449 $88.032 $72.823 $67.263	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED L50QS250.V Littelfuse 1: $183.002 20In Stock	Mfr. Part # L50QS250.V Mouser Part # 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	$183.002 $151.763 $139.949 $115.762 $106.568	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED L50QS300.V Littelfuse 1: $183.002 27In Stock 33Expected 1/7/2027	Mfr. Part # L50QS300.V Mouser Part # 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 1/7/2027	$183.002 $151.763 $139.949 $115.762 $106.568	Min.: 1 Mult.: 1	Semiconductor Fuses	300 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED L50QS600.X Littelfuse 1: $272.446 56In Stock	Mfr. Part # L50QS600.X Mouser Part # 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	$272.446 $225.850 $208.214 $172.053	Min.: 1 Mult.: 1	Semiconductor Fuses	600 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED L70QS100.V Littelfuse 1: $149.838 21In Stock	Mfr. Part # L70QS100.V Mouser Part # 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	$149.838 $128.214 $118.450 $94.754 $87.223	Min.: 1 Mult.: 1	Semiconductor Fuses	100 A	700 VAC	Fast-Acting Fuses	700 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L70QS
Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED L70QS200.V Littelfuse 1: $211.188 38In Stock	Mfr. Part # L70QS200.V Mouser Part # 576-L70QS200.V	Littelfuse	Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	38In Stock	$211.188 $179.071 $165.332 $133.432	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A	700 VAC	Fast-Acting Fuses	700 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L70QS
Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED L70QS600.X Littelfuse 1: $468.607 15In Stock	Mfr. Part # L70QS600.X Mouser Part # 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	$468.607 $402.517 $363.520 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	600 A	700 VAC	Fast-Acting Fuses	700 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L70QS
Industrial & Electrical Fuses 900V FAST BLOW 800A PSR073UL0800X Littelfuse 1: $712.788 3In Stock 3Expected 3/31/2027	Mfr. Part # PSR073UL0800X Mouser Part # 576-PSR073UL0800X	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 800A	Datasheet	3In Stock 3Expected 3/31/2027	$712.788 $585.280 $532.611	Min.: 1 Mult.: 1	Semiconductor Fuses	800 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	73	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A PSR070DL0050Z Littelfuse 1: $440.433 19In Stock	Mfr. Part # PSR070DL0050Z Mouser Part # 576-PSR070DL0050Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A Learn More about Littelfuse psr fuses	Datasheet	19In Stock	$440.433 $364.887 $336.291	Min.: 1 Mult.: 1	Semiconductor Fuses	50 A	1.3 kVAC	Fast-Acting Fuses	1 kVDC	100 kA, 150 kA	Blade / Bolt	Class aR Fuses	70	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 900V FAST BLOW 350A PSR070UL0350Z Littelfuse 1: $562.722 10In Stock	Mfr. Part # PSR070UL0350Z Mouser Part # 576-PSR070UL0350Z	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 350A	Datasheet	10In Stock	$562.722 $462.056 $420.484	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED L50QS060.T Littelfuse 1: $74.509 11In Stock 16Expected 11/10/2026	Mfr. Part # L50QS060.T Mouser Part # 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	$74.509 $64.643 $59.858 $46.266 View $42.609 $38.189	Min.: 1 Mult.: 1	Semiconductor Fuses	60 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED L50QS080.T Littelfuse 1: $82.791 2In Stock 12Expected 12/31/2026	Mfr. Part # L50QS080.T Mouser Part # 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	$82.791 $68.653 $63.344 $52.452 View $48.693 $45.446	Min.: 1 Mult.: 1	Semiconductor Fuses	80 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED L50QS175.V Littelfuse 1: $115.090 10In Stock	Mfr. Part # L50QS175.V Mouser Part # 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	$115.090 $95.449 $88.032 $72.823 $67.263	Min.: 1 Mult.: 1	Semiconductor Fuses	175 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED L50QS500.X Littelfuse 1: $272.446 2In Stock 14Expected 12/14/2026	Mfr. Part # L50QS500.X Mouser Part # 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	$272.446 $225.850 $208.214 $172.053	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS

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