Industrial & Electrical Fuses

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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 40A 600VAC/600VDC PCB Mount L60QS040.HXR Littelfuse 1: $72.26 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	$72.26 $59.96 $55.31 $45.81 View $42.19 $35.42	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 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: $193.12 60In 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	60In Stock	$193.12 $157.12 $144.40 $131.11	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 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: $81.43 44In 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	44In Stock	$81.43 $71.32 $57.73 $55.40 $53.09	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 600A 700VAC 700VDC FF L70QS POWR-SPEED L70QS600.X Littelfuse 1: $499.22 16In 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	16In Stock	$499.22 $418.91	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 POWR-SPEED SQB SIZE 70 US LONG BL 200A PSR070UL0200Z Littelfuse 1: $509.23 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	$509.23 $449.32 $435.47	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: $503.08 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	$503.08 $445.85	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: $800.55 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	$800.55 $630.89 $575.63 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: $536.07 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	$536.07 $419.63 $399.67 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: $588.51 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	$588.51 $474.67 $445.03 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 125A 700VAC SIZE 30 POWER-SPEED FLUSH M PSR030FL0125Z Littelfuse 1: $247.06 9In Stock	Mfr. Part # PSR030FL0125Z Mouser Part # 576-PSR030FL0125Z	Littelfuse	Industrial & Electrical Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	9In Stock	$247.06 $247.05	Min.: 1 Mult.: 1	Semiconductor Fuses	125 A	700 VAC	Fast-Acting Fuses	600 VDC		Quick Connect	Class aR Fuses	30	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 40A 600VAC/600VDC Cartridge L60QS040.T Littelfuse 1: $51.41 526In Stock	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	526In Stock	$51.41 $42.65 $39.34 $32.59 View $30.02 $28.45 $28.44	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 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: $141.29 147In 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	147In Stock	$141.29 $117.84 $108.73 $91.87 $90.37	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: $144.84 39In 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	39In Stock	$144.84 $120.31 $111.02 $91.86 $85.92	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: $225.35 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	$225.35 $195.42 $180.49 $142.44 $131.11	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: $222.31 27In Stock 33Expected 2026-11-12	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 2026-11-12	$222.31 $186.85 $172.28 $141.18 $131.11	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: $329.21 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	$329.21 $274.08 $249.91 $220.45	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: $189.39 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	$189.39 $152.40 $141.78 $119.76 $110.25	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 150A 700VAC 700VDC FF L70QS POWR-SPEED L70QS150.V Littelfuse 1: $266.93 18In Stock	Mfr. Part # L70QS150.V Mouser Part # 576-L70QS150.V	Littelfuse	Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	18In Stock	$266.93 $222.74 $208.97 $168.65	Min.: 1 Mult.: 1	Semiconductor Fuses	150 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: $266.93 48In 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	48In Stock	$266.93 $221.31 $208.25 $168.65	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 300A 700VAC 700VDC FF L70QS POWR-SPEED L70QS300.X Littelfuse 1: $381.89 10In Stock	Mfr. Part # L70QS300.X Mouser Part # 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	$381.89 $321.57 $289.66 $247.06	Min.: 1 Mult.: 1	Semiconductor Fuses	300 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: $870.52 3In Stock 3Expected 2027-03-11	Mfr. Part # PSR073UL0800X Mouser Part # 576-PSR073UL0800X	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 800A	Datasheet	3In Stock 3Expected 2027-03-11	$870.52 $720.98 $664.27	Min.: 1 Mult.: 1	Semiconductor Fuses	800 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	73	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED L50QS035.T Littelfuse 1: $90.95 46In Stock 73Expected 2026-11-17	Mfr. Part # L50QS035.T Mouser Part # 576-L50QS035.T	Littelfuse	Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	46In Stock 73Expected 2026-11-17	$90.95 $77.46 $71.25 $60.70 View $56.15 $52.26	Min.: 1 Mult.: 1	Semiconductor Fuses	35 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses		Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A PSR070DL0050Z Littelfuse 1: $557.60 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	$557.60 $461.25 $425.06 Quote Quote	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: $702.14 10In Stock	Mfr. Part # PSR070UL0350Z Mouser Part # 576-PSR070UL0350Z	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 350A	Datasheet	10In Stock	$702.14 $569.30 $524.53	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: $95.82 11In Stock 16Expected 2026-10-29	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 2026-10-29	$95.82 $81.71 $75.66 $61.98 $57.10	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

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