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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.
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
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
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
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
Industrial & Electrical Fuses 10A 700VAC 650VDC FF L70S POWR-SPEED L70S010.T Littelfuse 1: ¥8,730.2 1In Stock	Mfr. Part # L70S010.T Mouser Part # 576-L70S010.T	Littelfuse	Industrial & Electrical Fuses 10A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	¥8,730.2 ¥7,240.3 ¥6,680.5 ¥5,531.1 View ¥5,135.8 ¥4,792	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 700VAC 650VDC FF L70S POWR-SPEED L70S060.T Littelfuse 1: ¥16,400.7 3In Stock	Mfr. Part # L70S060.T Mouser Part # 576-L70S060.T	Littelfuse	Industrial & Electrical Fuses 60A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	3In Stock	¥16,400.7 ¥13,601.9 ¥12,543.9 ¥10,376.3 ¥9,585.6	Min.: 1 Mult.: 1
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
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
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: ¥11,127 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	¥11,127 ¥9,348.1 ¥9,235.2 ¥6,949.6 View ¥6,594.2 ¥6,124.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: ¥16,779.4 135In 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	135In Stock	¥16,779.4 ¥13,915.9 ¥12,834.5 ¥10,617.1 ¥9,806.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED L50QS200.V Littelfuse 1: ¥16,779.4 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	¥16,779.4 ¥13,915.9 ¥12,834.5 ¥10,617.1 ¥9,806.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED L50QS250.V Littelfuse 1: ¥26,680.6 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	¥26,680.6 ¥22,126.2 ¥20,403.7 ¥16,877.4 ¥15,537	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED L50QS300.V Littelfuse 1: ¥26,680.6 27In Stock 33Expected 11/12/2026	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 11/12/2026	¥26,680.6 ¥22,126.2 ¥20,403.7 ¥16,877.4 ¥15,537	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED L50QS600.X Littelfuse 1: ¥39,721.2 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	¥39,721.2 ¥32,927.7 ¥30,356.4 ¥25,084.4	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED L70QS100.V Littelfuse 1: ¥22,039.8 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	¥22,039.8 ¥18,277.6 ¥16,854.2 ¥13,940.8 ¥12,834.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED L70QS150.V Littelfuse 1: ¥30,994.3 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	¥30,994.3 ¥25,692.3 ¥23,689.2 ¥19,584.9	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED L70QS200.V Littelfuse 1: ¥30,994.3 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	¥30,994.3 ¥25,692.3 ¥23,689.2 ¥19,584.9	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED L70QS300.X Littelfuse 1: ¥43,172.7 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	¥43,172.7 ¥35,789.6 ¥32,995.8 ¥27,265.3	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED L70QS350.X Littelfuse 1: ¥43,172.7 14In Stock	Mfr. Part # L70QS350.X Mouser Part # 576-L70QS350.X	Littelfuse	Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	14In Stock	¥43,172.7 ¥35,789.6 ¥32,995.8 ¥27,265.3	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR P/ AC103E2F Littelfuse 1: ¥191 7,833Expected 1/1/2027	Mfr. Part # AC103E2F Mouser Part # 803-AC103E2F	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse renewable energy	Datasheet	7,833Expected 1/1/2027	¥191 ¥182.7 ¥171.1 ¥162.6 View ¥147 ¥141.4 ¥135 ¥124.6	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSO R GT102B1K Littelfuse 1: ¥255.8 2,913In Stock	Mfr. Part # GT102B1K Mouser Part # 576-GT102B1K	Littelfuse	NTC Thermistors THERMISTOR, US SENSO R Learn More about Littelfuse renewable energy	Datasheet	2,913In Stock	¥255.8 ¥244.2 ¥229.2 ¥219.3 View ¥210.9 ¥194.3 ¥189.4 ¥176.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 250VAC 250VDC FF L25S POWR-SPEED L25S060.T Littelfuse 1: ¥13,909.2 87In Stock	Mfr. Part # L25S060.T Mouser Part # 576-L25S060.T	Littelfuse	Industrial & Electrical Fuses 60A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	87In Stock	¥13,909.2 ¥11,535.6 ¥10,640.4 ¥8,806.6 View ¥8,109 ¥7,349.9	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A L75QS150.V Littelfuse 1: ¥30,108.9 20In Stock	Mfr. Part # L75QS150.V Mouser Part # 576-L75QS150.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A Learn More about Littelfuse hvac protection control solutions	Datasheet	20In Stock	¥30,108.9 ¥24,959.8 ¥23,013.2 ¥19,025.1	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200 PSR400ITQFD0L30 ROHM Semiconductor 1: ¥548.1 1,890In Stock	Mfr. Part # PSR400ITQFD0L30 Mouser Part # 755-PSR400ITQFD0L30	ROHM Semiconductor	Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200 Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	1,890In Stock	Cut Tape ¥548.1 ¥348.8 ¥287.4 ¥259.1 Reel ¥167.8 View ¥220.9 ¥202.6 ¥179.4 ¥163.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200 PSR400ITQFF0L50 ROHM Semiconductor 1: ¥446.8 8,952In Stock	Mfr. Part # PSR400ITQFF0L50 Mouser Part # 755-PSR400ITQFF0L50	ROHM Semiconductor	Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200 Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	8,952In Stock	Cut Tape ¥446.8 ¥297.3 ¥232.5 ¥210.9 Reel ¥135.2 View ¥187.7 ¥172.7 ¥143.5 ¥130.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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Renewable Energy Solutions

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