Industrial & Electrical Fuses

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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: $428.16 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	$428.16 $354.79 $326.97	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A PSR072DL0500X Littelfuse 1: $570.89 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	$570.89 $473.05 $435.96	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 1000V SIZE 70 LONG BL 100A PSR070UL0100Z Littelfuse 1: $386.59 1In Stock	Mfr. Part # PSR070UL0100Z Mouser Part # 576-PSR070UL0100Z	Littelfuse	Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A Learn More about Littelfuse psr fuses	Datasheet	1In Stock	$386.59 $320.28 $295.18	Min.: 1 Mult.: 1	Semiconductor Fuses	100 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A PSR070UL0050Z Littelfuse 1: $386.59 1In Stock	Mfr. Part # PSR070UL0050Z Mouser Part # 576-PSR070UL0050Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A Learn More about Littelfuse psr fuses	Datasheet	1In Stock	$386.59 $320.28 $295.18	Min.: 1 Mult.: 1	Semiconductor Fuses	50 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses 900V FAST BLOW 700A PSR073UL0700X Littelfuse 1: $625.78 11On Order	Mfr. Part # PSR073UL0700X Mouser Part # 576-PSR073UL0700X	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 700A Learn More about Littelfuse psr fuses	Datasheet	11On Order On Order Ship Dates Mfr. #: PSR073UL0700X Stock: 0 On Order: 4 Expected 12/29/2026 7 Expected 3/1/2027 Factory Lead-Time: 15 Weeks	$625.78 $518.54 $477.88	Min.: 1 Mult.: 1	Semiconductor Fuses	700 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	73	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 250A PSR070UL0250Z Littelfuse 1: $428.16 3Expected 12/21/2026	Mfr. Part # PSR070UL0250Z Mouser Part # 576-PSR070UL0250Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 250A Learn More about Littelfuse psr fuses	Datasheet	3Expected 12/21/2026	$428.16 $354.79 $326.97	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	70	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 100A PSR030UL0100Z Littelfuse 1: $286.69 4Factory Stock Available	Mfr. Part # PSR030UL0100Z Mouser Part # 576-PSR030UL0100Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 100A Learn More about Littelfuse psr fuses	Datasheet	4Factory Stock Available More Info Available	$286.69 $232.63 $214.39 $180.51	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 LONG BL 500A PSR030UL0500Z Littelfuse 1: $309.63 6Factory Stock Available	Mfr. Part # PSR030UL0500Z Mouser Part # 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	$309.63 $251.24 $231.54 $194.95	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 31 US LONG BL 200A PSR031UL0200Z Littelfuse 1: $321.10 3Factory Stock Available	Mfr. Part # PSR031UL0200Z Mouser Part # 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	$321.10 $260.54 $240.11 $202.17	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	31	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 400A PSR031UL0400Z Littelfuse 1: $321.10 3Factory Stock Available	Mfr. Part # PSR031UL0400Z Mouser Part # 576-PSR031UL0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 31 US LONG BL 400A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	$321.10 $260.54 $240.11 $202.17	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	31	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 1000A PSR032UL1000X Littelfuse 1: $439.14 4Factory Stock Available	Mfr. Part # PSR032UL1000X Mouser Part # 576-PSR032UL1000X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 1000A Learn More about Littelfuse psr fuses	Datasheet	4Factory Stock Available More Info Available	$439.14 $363.88 $335.35	Min.: 1 Mult.: 1	Semiconductor Fuses	1 kA		Fast-Acting Fuses			Knife Blade	Class aR Fuses	32	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 450A PSR032US0450X Littelfuse 1: $349.62 4Factory Stock Available	Mfr. Part # PSR032US0450X Mouser Part # 576-PSR032US0450X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 450A Learn More about Littelfuse psr fuses	Datasheet	4Factory Stock Available More Info Available	$349.62 $289.69 $267.02	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	32	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 500A PSR033DL0500X Littelfuse 1: $505.01 2Factory Stock Available	Mfr. Part # PSR033DL0500X Mouser Part # 576-PSR033DL0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 500A Learn More about Littelfuse psr fuses	Datasheet	2Factory Stock Available More Info Available	$505.01 $418.47 $385.65	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	Blade / Bolt	Class aR Fuses	33	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 1250A PSR033UL1250X Littelfuse 1: $548.93 20Factory Stock Available	Mfr. Part # PSR033UL1250X Mouser Part # 576-PSR033UL1250X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 1250A Learn More about Littelfuse psr fuses	Datasheet	20Factory Stock Available More Info Available	$548.93 $454.86 $419.19	Min.: 1 Mult.: 1	Semiconductor Fuses	1.25 kA		Fast-Acting Fuses			Knife Blade	Class aR Fuses	33	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US SHRT BL 500A PSR033US0500X Littelfuse 1: $494.04 6Factory Stock Available	Mfr. Part # PSR033US0500X Mouser Part # 576-PSR033US0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US SHRT BL 500A Learn More about Littelfuse psr fuses	Datasheet	6Factory Stock Available More Info Available	$494.04 $409.37 $377.27	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	33	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 100A PSR070DL0100Z Littelfuse 3: $386.59 3Factory Stock Available	Mfr. Part # PSR070DL0100Z Mouser Part # 576-PSR070DL0100Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 100A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	$386.59 $320.28 $295.18	Min.: 3 Mult.: 3	Semiconductor Fuses	100 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 POWR-SPEED SQB SIZE 70 DIN 110MM 200A PSR070DL0200Z Littelfuse 1: $428.16 4Factory Stock Available	Mfr. Part # PSR070DL0200Z Mouser Part # 576-PSR070DL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 200A Learn More about Littelfuse psr fuses	Datasheet	4Factory Stock Available More Info Available	$428.16 $354.79 $326.97	Min.: 1 Mult.: 1	Semiconductor Fuses	200 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 POWR-SPEED SQB SIZE 71 DIN 110MM 400A PSR071DL0400Z Littelfuse 3: $450.12 9Factory Stock Available	Mfr. Part # PSR071DL0400Z Mouser Part # 576-PSR071DL0400Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 71 DIN 110MM 400A Learn More about Littelfuse psr fuses	Datasheet	9Factory Stock Available More Info Available	$450.12 $372.98 $343.74	Min.: 3 Mult.: 3	Semiconductor Fuses	400 A	1.3 kVAC	Fast-Acting Fuses	1 kVDC	100 kA, 150 kA	Blade / Bolt	Class aR Fuses	71	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 71 US LONG BL 250A PSR071UL0250Z Littelfuse 3: $450.12 3Factory Stock Available	Mfr. Part # PSR071UL0250Z Mouser Part # 576-PSR071UL0250Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 71 US LONG BL 250A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	$450.12 $372.98 $343.74	Min.: 3 Mult.: 3	Semiconductor Fuses	250 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	71	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 71 US LONG BL 450A PSR071UL0450Z Littelfuse 3: $494.04 24Factory Stock Available	Mfr. Part # PSR071UL0450Z Mouser Part # 576-PSR071UL0450Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 71 US LONG BL 450A Learn More about Littelfuse psr fuses	Datasheet	24Factory Stock Available More Info Available	$494.04 $409.37 $377.27	Min.: 3 Mult.: 3	Semiconductor Fuses	450 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	71	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 400A PSR072DL0400X Littelfuse 1: $515.99 3Factory Stock Available	Mfr. Part # PSR072DL0400X Mouser Part # 576-PSR072DL0400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 400A Learn More about Littelfuse psr fuses	Datasheet	3Factory Stock Available More Info Available	$515.99 $427.56 $394.04	Min.: 1 Mult.: 1	Semiconductor Fuses	400 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 700V SIZE 72 US LONG BL 500 PSR072UL0500X Littelfuse 1: $570.89 14Factory Stock Available	Mfr. Part # PSR072UL0500X Mouser Part # 576-PSR072UL0500X	Littelfuse	Industrial & Electrical Fuses 700V SIZE 72 US LONG BL 500 Learn More about Littelfuse psr fuses	Datasheet	14Factory Stock Available More Info Available	$570.89 $473.05 $435.96	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	72	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 DIN 110MM 500A PSR073DL0500X Littelfuse 1: $559.91 11Factory Stock Available	Mfr. Part # PSR073DL0500X Mouser Part # 576-PSR073DL0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 DIN 110MM 500A Learn More about Littelfuse psr fuses	Datasheet	11Factory Stock Available More Info Available	$559.91 $463.95 $427.57	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	73	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 US LONG BL 350A PSR073UL0350X Littelfuse 1: $559.91 2Factory Stock Available	Mfr. Part # PSR073UL0350X Mouser Part # 576-PSR073UL0350X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 73 US LONG BL 350A Learn More about Littelfuse psr fuses	Datasheet	2Factory Stock Available More Info Available	$559.91 $463.95 $427.57	Min.: 1 Mult.: 1	Semiconductor Fuses	350 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	73	Visual Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 250A PSR030UL0250Z Littelfuse 1: $286.69 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR030UL0250Z Mouser Part # 576-PSR030UL0250Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 30 US LONG BL 250A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	$286.69 $232.63 $214.39 $180.51	Min.: 1 Mult.: 1	Semiconductor Fuses	250 A		Fast-Acting Fuses			Knife Blade	Class aR Fuses	30	Visual Indicator	Bulk	PSR

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