Industrial & Electrical Fuses

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Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

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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	Body Style	Mounting Style	Termination Style	Class	Fuse Size / Group	Indicator Style	Packaging	Series
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: ¥23,435 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	¥23,435 ¥19,457 ¥17,905.6 ¥15,581.8 ¥15,123.4	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 40A 750V L75QS040.V Littelfuse 1: ¥16,746.2 71In Stock	Mfr. Part # L75QS040.V Mouser Part # 576-L75QS040.V	Littelfuse	Industrial & Electrical Fuses 40A 750V Learn More about Littelfuse hvac protection control solutions	Datasheet	71In Stock	¥16,746.2 ¥13,967.3 ¥12,278.1 ¥10,892.8 ¥10,289.9	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A L75QS125.V Littelfuse 1: ¥26,906.5 52In Stock	Mfr. Part # L75QS125.V Mouser Part # 576-L75QS125.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A Learn More about Littelfuse hvac protection control solutions	Datasheet	52In Stock	¥26,906.5 ¥22,303.9 ¥20,523.3 ¥18,287.6	Min.: 1 Mult.: 1	Semiconductor Fuses	125 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: ¥62,352.3 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	¥62,352.3 ¥52,854.7 Quote Quote	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 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A L75QS200.V Littelfuse 1: ¥26,906.5 72In Stock	Mfr. Part # L75QS200.V Mouser Part # 576-L75QS200.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A Learn More about Littelfuse hvac protection control solutions	Datasheet	72In Stock	¥26,906.5 ¥22,591.3 ¥20,166.2 ¥17,739.5	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses 750V FAST BLOW 70A Littelfuse L75QS070.V L75QS070.V Littelfuse 1: ¥20,254.2 20In Stock	Mfr. Part # L75QS070.V Mouser Part # 576-L75QS070.V	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 70A Learn More about Littelfuse hvac protection control solutions	Datasheet	20In Stock	¥20,254.2 ¥16,742.9 ¥15,407.4 ¥14,336.1 ¥13,196.6	Min.: 1 Mult.: 1	Semiconductor Fuses	70 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses 200A 700VAC 650VDC FF L70S POWR-SPEED L70S200.V Littelfuse 1: ¥25,132.6 11In Stock	Mfr. Part # L70S200.V Mouser Part # 576-L70S200.V	Littelfuse	Industrial & Electrical Fuses 200A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	11In Stock	¥25,132.6 ¥22,750.7 ¥18,563.3 ¥17,309.3	Min.: 1 Mult.: 1	Semiconductor Fuses	200 A	700 VAC	Fast-Acting Fuses	650 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L70S
Industrial & Electrical Fuses 30A 250VAC 250VDC FF L25S POWR-SPEED L25S030.T Littelfuse 1: ¥6,685.5 38In Stock	Mfr. Part # L25S030.T Mouser Part # 576-L25S030.T	Littelfuse	Industrial & Electrical Fuses 30A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	38In Stock	¥6,685.5 ¥5,547.7 ¥5,117.5 ¥4,240.5 View ¥3,908.3 ¥3,504.7 ¥3,225.7	Min.: 1 Mult.: 1	Semiconductor Fuses	30 A	250 VAC	Fast-Acting Fuses	250 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L25S
Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED L25S600.V Littelfuse 1: ¥19,066.6 9In Stock	Mfr. Part # L25S600.V Mouser Part # 576-L25S600.V	Littelfuse	Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	9In Stock	¥19,066.6 ¥15,593.5 ¥15,264.6 ¥13,410.9 View ¥12,590.4 Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	600 A	250 VAC	Fast-Acting Fuses	200 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L25S
Industrial & Electrical Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED L25S035.T Littelfuse 1: ¥13,909.2 6In Stock 2Expected 10/28/2026	Mfr. Part # L25S035.T Mouser Part # 576-L25S035.T	Littelfuse	Industrial & Electrical Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse renewable energy	Datasheet	6In Stock 2Expected 10/28/2026	¥13,909.2 ¥11,535.6 ¥10,640.4 ¥8,806.6 View ¥8,109 ¥7,349.9	Min.: 1 Mult.: 1	Semiconductor Fuses	35 A	250 VAC	Fast-Acting Fuses	250 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L25S
Industrial & Electrical Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED L25S040.T Littelfuse 1: ¥13,909.2 2In Stock	Mfr. Part # L25S040.T Mouser Part # 576-L25S040.T	Littelfuse	Industrial & Electrical Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	¥13,909.2 ¥11,535.6 ¥10,640.4 ¥8,806.6 View ¥8,109 ¥7,349.9	Min.: 1 Mult.: 1	Semiconductor Fuses	40 A	250 VAC	Fast-Acting Fuses	250 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L25S
Industrial & Electrical Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED L25S300.V Littelfuse 1: ¥22,131.2 2In Stock	Mfr. Part # L25S300.V Mouser Part # 576-L25S300.V	Littelfuse	Industrial & Electrical Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	¥22,131.2 ¥18,352.4 ¥16,923.9 ¥13,998.9 ¥12,886	Min.: 1 Mult.: 1	Semiconductor Fuses	300 A	250 VAC	Fast-Acting Fuses	200 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L25S
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A L75QS080.V Littelfuse 1: ¥22,958.3 8In Stock 20Expected 2/1/2027	Mfr. Part # L75QS080.V Mouser Part # 576-L75QS080.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A Learn More about Littelfuse hvac protection control solutions	Datasheet	8In Stock 20Expected 2/1/2027	¥22,958.3 ¥19,038.4 ¥17,556.8 ¥14,522.1 ¥13,367.7	Min.: 1 Mult.: 1	Semiconductor Fuses	80 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A PSX1XLDB0125X Littelfuse 1: ¥71,102.4 14In Stock	Mfr. Part # PSX1XLDB0125X Mouser Part # 576-PSX1XLDB0125X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A Learn More about Littelfuse psx square body fuses	Datasheet	14In Stock	¥71,102.4 ¥58,384.2 ¥49,316.8 Quote Quote	Min.: 1 Mult.: 1	Semiconductor Fuses	125 A		Fast-Acting Fuses	1.5 kVDC	200 kA			Blade			Visual Indicator	Bulk	PSX
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A Littelfuse L75QS090.V L75QS090.V Littelfuse 1: ¥22,958.3 5In Stock	Mfr. Part # L75QS090.V Mouser Part # 576-L75QS090.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A Learn More about Littelfuse hvac protection control solutions	Datasheet	5In Stock	¥22,958.3 ¥19,038.4 ¥17,556.8 ¥14,522.1 ¥13,367.7	Min.: 1 Mult.: 1	Semiconductor Fuses	90 A			750 VDC	50 kA	Round Body Fuses	Stud	Bolt Down			Without Indicator	Bulk	L75
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A PSX1XLDB0630X Littelfuse 1: ¥119,598.6 1In Stock 12Expected 12/3/2026	Mfr. Part # PSX1XLDB0630X Mouser Part # 576-PSX1XLDB0630X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A Learn More about Littelfuse psx square body fuses	Datasheet	1In Stock 12Expected 12/3/2026	¥119,598.6 ¥101,797.7 ¥91,253.7	Min.: 1 Mult.: 1	Semiconductor Fuses	630 A		Fast-Acting Fuses	1.5 kVDC	200 kA			Blade			Visual Indicator	Bulk	PSX
Industrial & Electrical Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED L15S300.T Littelfuse 1: ¥13,135.2 1In Stock	Mfr. Part # L15S300.T Mouser Part # 576-L15S300.T	Littelfuse	Industrial & Electrical Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	¥13,135.2 ¥13,128.5 ¥8,236.9	Min.: 1 Mult.: 1	Semiconductor Fuses	300 A	150 VAC	Fast-Acting Fuses	100 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L15S
Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED L50S500.X Littelfuse 1: ¥41,616.4 4In Stock	Mfr. Part # L50S500.X Mouser Part # 576-L50S500.X	Littelfuse	Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	4In Stock	¥41,616.4 ¥34,499 ¥31,806.5 ¥26,282	Min.: 1 Mult.: 1	Semiconductor Fuses	500 A	500 VAC	Fast-Acting Fuses	450 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L50S
Industrial & Electrical Fuses 25A 150VAC 150VDC FF L15S POWR-SPEED L15S025.T Littelfuse 1: ¥4,155.8 18In Stock	Mfr. Part # L15S025.T Mouser Part # 576-L15S025.T	Littelfuse	Industrial & Electrical Fuses 25A 150VAC 150VDC FF L15S POWR-SPEED	Datasheet	18In Stock	¥4,155.8 ¥3,592.7 ¥3,292.1 ¥2,843.6 View ¥2,430 ¥2,245.7 ¥2,019.8 ¥1,925.1	Min.: 1 Mult.: 1	Semiconductor Fuses	25 A	150 VAC	Fast-Acting Fuses	150 VDC	20 kA			Bolt Down	Class aR Fuses	5AG	Without Indicator	Bulk	L15S
Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED L50S450.X Littelfuse 1: ¥41,616.4 1In Stock	Mfr. Part # L50S450.X Mouser Part # 576-L50S450.X	Littelfuse	Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	¥41,616.4 ¥34,499 ¥31,806.5 ¥26,282	Min.: 1 Mult.: 1	Semiconductor Fuses	450 A	500 VAC	Fast-Acting Fuses	450 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L50S
Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED L50S035.T Littelfuse 1: ¥12,014 3In Stock	Mfr. Part # L50S035.T Mouser Part # 576-L50S035.T	Littelfuse	Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	3In Stock	¥12,014 ¥9,964.3 ¥9,192 ¥7,610.7 View ¥7,067.6 ¥6,595.8	Min.: 1 Mult.: 1	Semiconductor Fuses	35 A	500 VAC	Fast-Acting Fuses	450 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L50S
Industrial & Electrical Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED L70S015.T Littelfuse 1: ¥8,730.2 2In Stock	Mfr. Part # L70S015.T Mouser Part # 576-L70S015.T	Littelfuse	Industrial & Electrical Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	¥8,730.2 ¥7,240.3 ¥6,680.5 ¥5,531.1 View ¥5,135.8 ¥4,792	Min.: 1 Mult.: 1	Semiconductor Fuses	15 A	700 VAC	Fast-Acting Fuses	650 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L70S
Industrial & Electrical Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED L70S125.V Littelfuse 1: ¥29,039.3 9In Stock	Mfr. Part # L70S125.V Mouser Part # 576-L70S125.V	Littelfuse	Industrial & Electrical Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	9In Stock	¥29,039.3 ¥24,081.2 ¥22,205.9 ¥18,369 ¥16,909	Min.: 1 Mult.: 1	Semiconductor Fuses	125 A	700 VAC	Fast-Acting Fuses	650 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L70S
Industrial & Electrical Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED L15S800.V Littelfuse 1: ¥27,365 4In Stock	Mfr. Part # L15S800.V Mouser Part # 576-L15S800.V	Littelfuse	Industrial & Electrical Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED Learn More about Littelfuse renewable energy	Datasheet	4In Stock	¥27,365 ¥22,692.6 ¥20,926.9 ¥17,309.3 ¥15,935.6	Min.: 1 Mult.: 1	Semiconductor Fuses	800 A	150 VAC	Fast-Acting Fuses	100 VDC	20 kA			Bolt Down	Class aR Fuses		Without Indicator	Bulk	L15S
Industrial & Electrical Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED L50S225.V Littelfuse 1: ¥25,228.9 4In Stock	Mfr. Part # L50S225.V Mouser Part # 576-L50S225.V	Littelfuse	Industrial & Electrical Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	4In Stock	¥25,228.9 ¥20,922 ¥19,294.2 ¥15,958.9 ¥14,691.5	Min.: 1 Mult.: 1	Semiconductor Fuses	225 A	500 VAC	Fast-Acting Fuses	450 VDC	20 kA	Round Body Blade Fuses	Stud	Bolt Down			Without Indicator	Bulk	L50S

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