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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.
NTC Thermistors THERMISTOR, U.S. SENS DC103J2F Littelfuse 1: ¥232.5 249In Stock 500Expected 10/26/2026	Mfr. Part # DC103J2F Mouser Part # 803-DC103J2F	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse renewable energy	Datasheet	249In Stock 500Expected 10/26/2026	¥232.5 ¥222.6 ¥209.3 ¥199.3 View ¥191 ¥172.7 ¥166.1 ¥153.3	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 150VAC 150VDC FF L15S POWR-SPEED L15S030.T Littelfuse 1: ¥4,197.3 10In Stock	Mfr. Part # L15S030.T Mouser Part # 576-L15S030.T	Littelfuse	Industrial & Electrical Fuses 30A 150VAC 150VDC FF L15S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	10In Stock	¥4,197.3 ¥3,627.6 ¥3,325.3 ¥2,871.9 View ¥2,455 ¥2,267.3 ¥2,039.7 ¥1,943.4	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 20A 500VAC 450VDC FF L50S POWR-SPEED L50S020.T Littelfuse 1: ¥7,404.7 1In Stock	Mfr. Part # L50S020.T Mouser Part # 576-L50S020.T	Littelfuse	Industrial & Electrical Fuses 20A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	¥7,404.7 ¥6,144 ¥5,667.3 ¥4,694 View ¥4,325.2 ¥3,956.5 ¥3,674.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 500VAC 450VDC FF L50S POWR-SPEED L50S030.T Littelfuse 1: ¥7,404.7 1In Stock	Mfr. Part # L50S030.T Mouser Part # 576-L50S030.T	Littelfuse	Industrial & Electrical Fuses 30A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	¥7,404.7 ¥6,144 ¥5,667.3 ¥4,694 View ¥4,325.2 ¥3,956.5 ¥3,674.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 40A 500VAC 450VDC FF L50S POWR-SPEED L50S040.T Littelfuse 1: ¥12,014 6In Stock	Mfr. Part # L50S040.T Mouser Part # 576-L50S040.T	Littelfuse	Industrial & Electrical Fuses 40A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	6In 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 150A 500VAC 450VDC FF L50S POWR-SPEED L50S150.V Littelfuse 1: ¥18,958.7 4In Stock	Mfr. Part # L50S150.V Mouser Part # 576-L50S150.V	Littelfuse	Industrial & Electrical Fuses 150A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	4In Stock	¥18,958.7 ¥15,721.4 ¥14,498.9 ¥11,994.1 ¥11,080.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 500VAC 450VDC FF L50S POWR-SPEED L50S200.V Littelfuse 1: ¥18,958.7 14In Stock 13Expected 11/19/2026	Mfr. Part # L50S200.V Mouser Part # 576-L50S200.V	Littelfuse	Industrial & Electrical Fuses 200A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	14In Stock 13Expected 11/19/2026	¥18,958.7 ¥15,721.4 ¥14,498.9 ¥11,994.1 ¥11,080.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 700VAC 650VDC FF L70S POWR-SPEED L70S100.V Littelfuse 1: ¥25,911.6 2In Stock	Mfr. Part # L70S100.V Mouser Part # 576-L70S100.V	Littelfuse	Industrial & Electrical Fuses 100A 700VAC 650VDC FF L70S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	¥25,911.6 ¥21,486.7 ¥19,815.7 ¥16,389.1 ¥15,088.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 70A 500VAC 450VDC FF L50S POWR-SPEED L50S070.T Littelfuse 1: ¥12,517.3 10In Stock	Mfr. Part # L50S070.T Mouser Part # 576-L50S070.T	Littelfuse	Industrial & Electrical Fuses 70A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	10In Stock	¥12,517.3 ¥10,381.3 ¥9,575.7 ¥7,924.6 View ¥7,298.4 ¥6,614.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED L50S350.V Littelfuse 1: ¥25,228.9 2In Stock	Mfr. Part # L50S350.V Mouser Part # 576-L50S350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	¥25,228.9 ¥20,922 ¥19,294.2 ¥15,958.9 ¥14,691.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 550A PSX1XLFL0550X Littelfuse 1: ¥119,598.6 1In Stock	Mfr. Part # PSX1XLFL0550X Mouser Part # 576-PSX1XLFL0550X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 550A Learn More about Littelfuse psx square body fuses	Datasheet	1In Stock	¥119,598.6 ¥101,797.7 ¥91,253.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED L50QS100.T Littelfuse 1: ¥12,070.5 376On Order	Mfr. Part # L50QS100.T Mouser Part # 576-L50QS100.T	Littelfuse	Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	376On Order On Order Ship Dates Mfr. #: L50QS100.T Stock: 0 On Order: 286 Expected 10/28/2026 90 Expected 11/5/2026 Factory Lead-Time: 11 Weeks	¥12,070.5 ¥10,009.2 ¥9,235.2 ¥7,647.2 View ¥7,099.1 ¥6,625.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A PSX3XLDB1000X Littelfuse 1: ¥161,298 112Expected 12/3/2026	Mfr. Part # PSX3XLDB1000X Mouser Part # 576-PSX3XLDB1000X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A Learn More about Littelfuse psx square body fuses	Datasheet	112Expected 12/3/2026	¥161,298 ¥143,714.7 ¥126,820.7	Min.: 1 Mult.: 1
Safety Relays DNCIO for 601CS-D-P1 DEVICENET INTERFACE AF0500-00 Littelfuse 1: ¥624,258.6 1Expected 12/15/2026	Mfr. Part # AF0500-00 Mouser Part # 576-AF0500-00	Littelfuse	Safety Relays DNCIO for 601CS-D-P1 DEVICENET INTERFACE Learn More about Littelfuse renewable energy	Datasheet	1Expected 12/15/2026	¥624,258.6	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSO R GT202F1K Littelfuse 1: ¥255.8 2,275In Stock	Mfr. Part # GT202F1K Mouser Part # 576-GT202F1K	Littelfuse	NTC Thermistors THERMISTOR, US SENSO R Learn More about Littelfuse renewable energy	Datasheet	2,275In Stock	¥255.8 ¥244.2 ¥229.2 ¥219.3 View ¥210.9 ¥192.7 ¥184.4 ¥169.4	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED L50QS050.T Littelfuse 1: ¥10,862.9 57Expected 12/14/2026	Mfr. Part # L50QS050.T Mouser Part # 576-L50QS050.T	Littelfuse	Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	57Expected 12/14/2026	¥10,862.9 ¥9,009.3 ¥8,311.6 ¥6,881.5 View ¥6,389.9 ¥5,963	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED L50QS125.V Littelfuse 1: ¥16,779.4 195On Order	Mfr. Part # L50QS125.V Mouser Part # 576-L50QS125.V	Littelfuse	Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	195On Order On Order Ship Dates Mfr. #: L50QS125.V Stock: 0 On Order: 100 Expected 11/24/2026 95 Expected 1/1/2027 Factory Lead-Time: 11 Weeks	¥16,779.4 ¥13,915.9 ¥12,834.5 ¥10,617.1 ¥9,806.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A PSX1XLUB0200X Littelfuse 1: ¥71,102.4 12Expected 11/11/2026	Mfr. Part # PSX1XLUB0200X Mouser Part # 576-PSX1XLUB0200X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A Learn More about Littelfuse psx square body fuses	Datasheet	12Expected 11/11/2026	¥71,102.4 ¥58,384.2 ¥53,130.4	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR P/ AC103E2F Littelfuse 1: ¥191 13,833On Order	Mfr. Part # AC103E2F Mouser Part # 803-AC103E2F	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse renewable energy	Datasheet	13,833On Order On Order Ship Dates Mfr. #: AC103E2F Stock: 0 On Order: 5,833 Expected 1/4/2027 8,000 Expected 2/24/2027 Factory Lead-Time: 12 Weeks	¥191 ¥182.7 ¥171.1 ¥162.6 View ¥147 ¥141.4 ¥135 ¥124.6	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED L70QS080.V Littelfuse 1: ¥22,538.1 86On Order	Mfr. Part # L70QS080.V Mouser Part # 576-L70QS080.V	Littelfuse	Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	86On Order On Order Ship Dates Mfr. #: L70QS080.V Stock: 0 On Order: 55 Expected 11/26/2026 31 Expected 1/26/2027 Factory Lead-Time: 15 Weeks	¥22,538.1 ¥17,746.1 ¥16,551.9 ¥14,643.4 ¥13,480.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 35A L75QS035.V Littelfuse 1: ¥17,794.3 225Expected 11/19/2026	Mfr. Part # L75QS035.V Mouser Part # 576-L75QS035.V	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 35A Learn More about Littelfuse hvac protection control solutions	Datasheet	225Expected 11/19/2026	¥17,794.3 ¥14,756.3 ¥13,610.2 ¥11,258.3 ¥10,399.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A L75QS060.V Littelfuse 1: ¥17,794.3 186Expected 11/19/2026	Mfr. Part # L75QS060.V Mouser Part # 576-L75QS060.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A Learn More about Littelfuse hvac protection control solutions	Datasheet	186Expected 11/19/2026	¥17,794.3 ¥14,756.3 ¥13,610.2 ¥11,258.3 ¥10,399.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A Littelfuse L75QS300.X L75QS300.X Littelfuse 1: ¥46,514.6 26Expected 12/14/2026	Mfr. Part # L75QS300.X Mouser Part # 576-L75QS300.X	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A Learn More about Littelfuse hvac protection control solutions	Datasheet	26Expected 12/14/2026	¥46,514.6 ¥37,742.9 ¥34,783 ¥29,286.8	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 400A Littelfuse L75QS400.X L75QS400.X Littelfuse 1: ¥46,514.6 17Expected 11/19/2026	Mfr. Part # L75QS400.X Mouser Part # 576-L75QS400.X	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 400A Learn More about Littelfuse hvac protection control solutions	Datasheet	17Expected 11/19/2026	¥46,514.6 ¥37,742.9 ¥34,783 ¥29,286.8	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A PSX3XLFL1000X Littelfuse 1: ¥161,298 7Expected 3/4/2027	Mfr. Part # PSX3XLFL1000X Mouser Part # 576-PSX3XLFL1000X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A Learn More about Littelfuse psx square body fuses	Datasheet	7Expected 3/4/2027	¥161,298 ¥143,714.7 ¥126,820.7	Min.: 1 Mult.: 1

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