Industrial & Electrical Fuses

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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	Indicator Style	Packaging	Series
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: Rp1.037.466 44In 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	44In Stock	Rp1.037.466 Rp908.677 Rp735.491 Rp705.771 Rp676.417	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 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: Rp2.460.382 60In 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	60In Stock	Rp2.460.382 Rp2.001.732 Rp1.839.737 Rp1.670.403	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 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: Rp1.800.110 147In 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	147In Stock	Rp1.800.110 Rp1.501.253 Rp1.385.306 Rp1.170.475 Rp1.151.395	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: Rp1.845.241 39In 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	39In Stock	Rp1.845.241 Rp1.532.808 Rp1.414.477 Rp1.170.291 Rp1.094.706	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: Rp2.870.966 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	Rp2.870.966 Rp2.489.736 Rp2.299.488 Rp1.814.786 Rp1.670.403	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: Rp2.832.255 27In Stock 33Expected 12/11/2026	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 12/11/2026	Rp2.832.255 Rp2.380.577 Rp2.194.915 Rp1.798.642 Rp1.670.403	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: Rp4.194.263 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	Rp4.194.263 Rp3.491.794 Rp3.183.948 Rp2.808.589	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 35A 500VAC 500VDC FF L50QS POWR-SPEED L50QS035.T Littelfuse 1: Rp1.158.733 46In Stock 73Expected 17/11/2026	Mfr. Part No. L50QS035.T Mouser Part No 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 17/11/2026	Rp1.158.733 Rp986.831 Rp907.760 Rp773.284 View Rp715.311 Rp665.776	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 60A 500VAC 500VDC FF L50QS POWR-SPEED L50QS060.T Littelfuse 1: Rp1.220.743 11In Stock 16Expected 29/10/2026	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 29/10/2026	Rp1.220.743 Rp1.040.952 Rp963.899 Rp789.612 Rp727.419	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: Rp1.294.677 11In Stock 12Expected 22/10/2026	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	11In Stock 12Expected 22/10/2026	Rp1.294.677 Rp1.142.405 Rp1.056.730 Rp819.699 View Rp754.938 Rp676.417	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 400A 500VAC 500VDC FF L50QS POWR-SPEED L50QS400.V Littelfuse 1: Rp2.670.260 6In Stock 32Expected 29/10/2026	Mfr. Part No. L50QS400.V Mouser Part No 576-L50QS400.V	Littelfuse	Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	6In Stock 32Expected 29/10/2026	Rp2.670.260 Rp2.290.498 Rp2.286.095 Rp1.774.976	Min.: 1 Mult.: 1	Semiconductor Fuses	400 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED L50QS450.X Littelfuse 1: Rp4.361.028 4In Stock	Mfr. Part No. L50QS450.X Mouser Part No 576-L50QS450.X	Littelfuse	Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	4In Stock	Rp4.361.028 Rp3.615.079 Rp3.332.551 Rp2.753.368	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED L50QS070.T Littelfuse 1: Rp1.294.494 11In Stock	Mfr. Part No. L50QS070.T Mouser Part No 576-L50QS070.T	Littelfuse	Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	11In Stock	Rp1.294.494 Rp1.073.975 Rp990.684 Rp819.699 Rp754.938	Min.: 1 Mult.: 1	Semiconductor Fuses	70 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: Rp949.772 360On Order	Mfr. Part No. L50QS100.T Mouser Part No 576-L50QS100.T	Littelfuse	Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	360On Order On Order Ship Dates Mfr. No: L50QS100.T Stock: 0 On Order: 104 Expected 05/11/2026 256 Expected 14/12/2026 Factory Lead Time: 11 Weeks	Rp949.772 Rp853.823 Rp803.738 Rp736.592 View Rp694.029 Rp676.417 Quote	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 50A 500VAC 500VDC FF L50QS POWR-SPEED L50QS050.T Littelfuse 1: Rp1.393.562 57Expected 12/11/2026	Mfr. Part No. L50QS050.T Mouser Part No 576-L50QS050.T	Littelfuse	Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	57Expected 12/11/2026	Rp1.393.562 Rp995.087 Rp897.486 Rp745.031 View Rp686.140 Rp614.958	Min.: 1 Mult.: 1	Semiconductor Fuses	50 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED L50QS125.V Littelfuse 1: Rp1.719.571 180On Order	Mfr. Part No. L50QS125.V Mouser Part No 576-L50QS125.V	Littelfuse	Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	180On Order On Order Ship Dates Mfr. No: L50QS125.V Stock: 0 On Order: 90 Expected 24/11/2026 90 Expected 06/01/2027 Factory Lead Time: 11 Weeks	Rp1.719.571 Rp1.441.996 Rp1.258.719 Rp1.116.538 Rp1.094.706	Min.: 1 Mult.: 1	Semiconductor Fuses	125 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: Rp4.214.810 14Expected 14/12/2026	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	14Expected 14/12/2026	Rp4.214.810 Rp3.439.692 Rp3.128.910 Rp2.810.424	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
Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED L50QS175.V Littelfuse 1: Rp1.901.196 10On Order	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	10On Order	Rp1.901.196 Rp1.576.472 Rp1.331.186 Rp1.206.616 View Rp1.142.222 Quote	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 40A 500VAC 500VDC FF L50QS POWR-SPEED L50QS040.T Littelfuse 1: Rp1.135.801 33Expected 22/10/2026	Mfr. Part No. L50QS040.T Mouser Part No 576-L50QS040.T	Littelfuse	Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	33Expected 22/10/2026	Rp1.135.801 Rp903.541 Rp820.984 Rp710.357 View Rp669.262 Rp665.776	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED L50QS225.V Littelfuse 1: Rp2.870.966 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. L50QS225.V Mouser Part No 576-L50QS225.V	Littelfuse	Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp2.870.966 Rp2.281.692 Rp2.117.128 Rp1.814.786 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	225 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED L50QS275.V Littelfuse 1: Rp2.989.848 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. L50QS275.V Mouser Part No 576-L50QS275.V	Littelfuse	Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp2.989.848 Rp2.354.526 Rp2.194.365 Rp1.923.578 View Rp1.901.013 Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	275 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 325A 500VAC 500VDC FF L50QS POWR-SPEED L50QS325.V Littelfuse 1: Rp2.840.695 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. L50QS325.V Mouser Part No 576-L50QS325.V	Littelfuse	Industrial & Electrical Fuses 325A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp2.840.695 Rp2.418.553 Rp1.979.900 Rp1.952.381 View Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	325 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 700A 500VAC 500VDC FF L50QS POWR-SPEED L50QS700.X Littelfuse 1: Rp7.039.544 Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. L50QS700.X Mouser Part No 576-L50QS700.X	Littelfuse	Industrial & Electrical Fuses 700A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	Non-Stocked Lead-Time 37 Weeks	Rp7.039.544 Rp5.978.961	Min.: 1 Mult.: 1	Semiconductor Fuses	700 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS
Industrial & Electrical Fuses 800A 500VAC 500VDC FF L50QS POWR-SPEED L50QS800.X Littelfuse 1: Rp6.919.561 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. L50QS800.X Mouser Part No 576-L50QS800.X	Littelfuse	Industrial & Electrical Fuses 800A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp6.919.561 Rp5.833.661 Rp5.264.385 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	800 A	500 VAC	Fast-Acting Fuses	500 VDC	200 kA	Bolt Down	Class aR Fuses	Without Indicator	Bulk	L50QS

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