Industrial & Electrical Fuses

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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	Melting I2t	Termination Style	Class	Fuse Size / Group	Indicator Style	Packaging	Series
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 450A PSR032DL0450X Littelfuse 1: ¥61,083.3 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL0450X Mouser Part # 576-PSR032DL0450X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 450A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥61,083.3 ¥50,614 ¥46,649.2 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	15.535 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 630A PSR032DL0630X Littelfuse 1: ¥61,083.3 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL0630X Mouser Part # 576-PSR032DL0630X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 630A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥61,083.3 ¥50,614 ¥46,649.2 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	630 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	34.79 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 700A PSR032DL0700X Littelfuse 1: ¥61,819.1 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL0700X Mouser Part # 576-PSR032DL0700X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 700A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥61,819.1 ¥51,221.9 ¥47,212.3	Min.: 1 Mult.: 1	Semiconductor Fuses	700 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	51.191 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 800A PSR032DL0800X Littelfuse 1: ¥64,299 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL0800X Mouser Part # 576-PSR032DL0800X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 800A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥64,299 ¥59,912.3 ¥57,734.7 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	800 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	60.125 A2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 900A PSR032DL0900X Littelfuse 1: ¥65,489.9 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL0900X Mouser Part # 576-PSR032DL0900X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 900A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥65,489.9 ¥56,429.2 ¥52,505.9 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	900 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	107.785 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 1000A PSR032DL1000X Littelfuse 1: ¥72,761.8 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL1000X Mouser Part # 576-PSR032DL1000X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 1000A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥72,761.8 ¥60,282.7 ¥52,462.7 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	1 kA	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	190.102 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 1100A PSR032DL1100X Littelfuse 1: ¥89,134.2 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL1100X Mouser Part # 576-PSR032DL1100X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 110MM 1100A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥89,134.2 ¥73,829.8 ¥65,586.2 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	1.1 kA	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	225.379 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1250A PSR032DL1250X Littelfuse 1: ¥91,157.3 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL1250X Mouser Part # 576-PSR032DL1250X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1250A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥91,157.3 ¥74,851.3 ¥68,115.9	Min.: 1 Mult.: 1	Semiconductor Fuses	1.25 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	336.661 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1400A PSR032DL1400X Littelfuse 1: ¥91,157.3 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL1400X Mouser Part # 576-PSR032DL1400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1400A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥91,157.3 ¥74,851.3 ¥68,115.9	Min.: 1 Mult.: 1	Semiconductor Fuses	1.4 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	551.749 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1500A PSR032DL1500X Littelfuse 1: ¥91,157.3 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DL1500X Mouser Part # 576-PSR032DL1500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 110MM 1500A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥91,157.3 ¥74,851.3 ¥68,115.9	Min.: 1 Mult.: 1	Semiconductor Fuses	1.5 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	673.36 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 400A PSR032DS0400X Littelfuse 1: ¥57,706.5 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS0400X Mouser Part # 576-PSR032DS0400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 400A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥57,706.5 ¥47,818.5 ¥41,468.5 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	11.104 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 450A PSR032DS0450X Littelfuse 1: ¥57,706.5 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS0450X Mouser Part # 576-PSR032DS0450X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 450A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥57,706.5 ¥47,818.5 ¥44,073 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	15.535 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 500A PSR032DS0500X Littelfuse 1: ¥58,071.9 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS0500X Mouser Part # 576-PSR032DS0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 500A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥58,071.9 ¥48,117.5 ¥44,352	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	21.573 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 550A PSR032DS0550X Littelfuse 1: ¥51,030.9 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS0550X Mouser Part # 576-PSR032DS0550X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 550A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥51,030.9 ¥46,993 ¥44,915.1 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	550 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	263.27 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 900A PSR032DS0900X Littelfuse 1: ¥69,446.4 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS0900X Mouser Part # 576-PSR032DS0900X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 DIN 80MM 900A Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥69,446.4 ¥57,533.7 ¥53,024.1 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	900 A	700 VAC	Fast-Acting Fuses	600 VDC	150 kA, 200 kA	107.785 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1250A PSR032DS1250X Littelfuse 1: ¥87,511.4 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS1250X Mouser Part # 576-PSR032DS1250X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1250A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥87,511.4 ¥71,856.5 ¥65,390.2	Min.: 1 Mult.: 1	Semiconductor Fuses	1.25 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	336.661 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1400A PSR032DS1400X Littelfuse 1: ¥87,511.4 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS1400X Mouser Part # 576-PSR032DS1400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1400A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥87,511.4 ¥71,856.5 ¥65,390.2	Min.: 1 Mult.: 1	Semiconductor Fuses	1.4 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	551.749 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1500A PSR032DS1500X Littelfuse 1: ¥87,511.4 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # PSR032DS1500X Mouser Part # 576-PSR032DS1500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 32 DIN 80MM 1500A	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥87,511.4 ¥71,856.5 ¥65,390.2	Min.: 1 Mult.: 1	Semiconductor Fuses	1.5 kA	500 VAC	Fast-Acting Fuses	450 VDC	150 kA, 200 kA	673.36 kA2s	Blade / Bolt	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 550A 700V SIZE 32 Flush End Mtrc Thred PSR032FL0550Z Littelfuse 1: ¥47,238.8 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR032FL0550Z Mouser Part # 576-PSR032FL0550Z	Littelfuse	Industrial & Electrical Fuses 550A 700V SIZE 32 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥47,238.8 ¥41,762.5 ¥39,325.8 ¥38,091.7	Min.: 1 Mult.: 1	Semiconductor Fuses	550 A	700 VAC	Fast-Acting Fuses	600 VDC		263.27 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 700A 700VAC SIZE 32 POWER-SPEED FLUSH M PSR032FL0700Z Littelfuse 1: ¥53,334.7 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR032FL0700Z Mouser Part # 576-PSR032FL0700Z	Littelfuse	Industrial & Electrical Fuses 700A 700VAC SIZE 32 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥53,334.7 ¥43,275.7 ¥39,882.3 ¥33,580.4	Min.: 1 Mult.: 1	Semiconductor Fuses	700 A	700 VAC	Fast-Acting Fuses	600 VDC		51.191 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 900A 700VAC SIZE 32 POWER-SPEED FLUSH M PSR032FL0900Z Littelfuse 3: ¥64,212.6 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR032FL0900Z Mouser Part # 576-PSR032FL0900Z	Littelfuse	Industrial & Electrical Fuses 900A 700VAC SIZE 32 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥64,212.6 ¥53,198.5 ¥49,029.4	Min.: 3 Mult.: 3	Semiconductor Fuses	900 A	700 VAC	Fast-Acting Fuses	600 VDC	200 kA	107.785 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 1000A 700VAC SIZE 32 POWER-SPEED FLUSH M PSR032FL1000Z Littelfuse 3: ¥64,212.6 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR032FL1000Z Mouser Part # 576-PSR032FL1000Z	Littelfuse	Industrial & Electrical Fuses 1000A 700VAC SIZE 32 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥64,212.6 ¥53,198.5 ¥49,029.4	Min.: 3 Mult.: 3	Semiconductor Fuses	1 kA	700 VAC	Fast-Acting Fuses	600 VDC		190.102 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 1100A 700VAC SIZE 32 POWER-SPEED FLUSH M PSR032FL1100Z Littelfuse 3: ¥69,609.2 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # PSR032FL1100Z Mouser Part # 576-PSR032FL1100Z	Littelfuse	Industrial & Electrical Fuses 1100A 700VAC SIZE 32 POWER-SPEED FLUSH M Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥69,609.2 ¥67,333.6	Min.: 3 Mult.: 3	Semiconductor Fuses	1.1 kA	700 VAC	Fast-Acting Fuses	600 VDC		225.379 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 400A 700V SIZE 32 Flush End In. Thred PSR032FS0400Z Littelfuse 1: ¥53,334.7 Non-Stocked Lead-Time 25 Weeks	Mfr. Part # PSR032FS0400Z Mouser Part # 576-PSR032FS0400Z	Littelfuse	Industrial & Electrical Fuses 400A 700V SIZE 32 Flush End In. Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 25 Weeks	¥53,334.7 ¥43,275.7 ¥39,882.3 ¥33,580.4	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A	700 VAC	Fast-Acting Fuses	600 VDC		11.104 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR
Industrial & Electrical Fuses 450A 700V SIZE 32 Flush End In. Thred PSR032FS0450Z Littelfuse 1: ¥53,334.7 Non-Stocked Lead-Time 25 Weeks	Mfr. Part # PSR032FS0450Z Mouser Part # 576-PSR032FS0450Z	Littelfuse	Industrial & Electrical Fuses 450A 700V SIZE 32 Flush End In. Thred Learn More about Littelfuse psr fuses	Datasheet	Non-Stocked Lead-Time 25 Weeks	¥53,334.7 ¥43,275.7 ¥39,882.3 ¥33,580.4	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	700 VAC	Fast-Acting Fuses	600 VDC		15.535 kA2s	Quick Connect	Class aR Fuses	32	Visual Side Indicator	Bulk	PSR