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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10% GS104J1K Littelfuse 1: $1.88 54In Stock	Mfr. Part No. GS104J1K Mouser Part No 576-GS104J1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10% Learn More about Littelfuse renewable energy	Datasheet	54In Stock	$1.88 $1.80 $1.69 $1.60 View $1.51 $1.47 $1.41	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R GT103E1K Littelfuse 1: $2.09 93In Stock	Mfr. Part No. GT103E1K Mouser Part No 576-GT103E1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R Learn More about Littelfuse renewable energy	Datasheet	93In Stock	$2.09 $2.00 $1.88 $1.80 View $1.73 $1.56 $1.51 $1.39	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R GT103J1K Littelfuse 1: $3.36 474In Stock	Mfr. Part No. GT103J1K Mouser Part No 576-GT103J1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R Learn More about Littelfuse renewable energy	Datasheet	474In Stock	$3.36 $3.20 $3.02 $2.90 View $2.79 $2.50 $2.43 $2.28	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED L50QS060.T Littelfuse 1: $88.94 11In Stock 16Expected 10/11/2026	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 10/11/2026	$88.94 $77.17 $71.45 $55.23 View $50.86 $45.59	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED L50QS080.T Littelfuse 1: $98.83 2In Stock 12Expected 31/12/2026	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	2In Stock 12Expected 31/12/2026	$98.83 $81.95 $75.62 $62.61 View $58.13 $54.25	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED L50QS175.V Littelfuse 1: $137.39 10In Stock	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	10In Stock	$137.39 $113.94 $105.09 $86.93 $80.29	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED L50QS500.X Littelfuse 1: $325.23 2In Stock 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	2In Stock 14Expected 14/12/2026	$325.23 $269.61 $248.55 $205.39	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 500VAC 450VDC FF L50S POWR-SPEED L50S060.T Littelfuse 1: $95.58 9In Stock	Mfr. Part No. L50S060.T Mouser Part No 576-L50S060.T	Littelfuse	Industrial & Electrical Fuses 60A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	9In Stock	$95.58 $81.59 $70.71 $60.52 View $55.73 $49.94	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED L70QS050.V Littelfuse 1: $141.86 7In Stock	Mfr. Part No. L70QS050.V Mouser Part No 576-L70QS050.V	Littelfuse	Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	7In Stock	$141.86 $117.64 $108.50 $89.75 $82.91	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED L70QS070.V Littelfuse 1: $184.54 5In Stock 159Expected 12/1/2027	Mfr. Part No. L70QS070.V Mouser Part No 576-L70QS070.V	Littelfuse	Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	5In Stock 159Expected 12/1/2027	$184.54 $157.24 $145.00 $119.90 $110.38	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED L70QS125.V Littelfuse 1: $253.78 6In Stock	Mfr. Part No. L70QS125.V Mouser Part No 576-L70QS125.V	Littelfuse	Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	6In Stock	$253.78 $210.36 $193.96 $160.36	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED L70QS150.V Littelfuse 1: $253.78 12In Stock	Mfr. Part No. L70QS150.V Mouser Part No 576-L70QS150.V	Littelfuse	Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	12In Stock	$253.78 $210.36 $193.96 $160.36	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED L70QS350.X Littelfuse 1: $360.67 7In Stock	Mfr. Part No. L70QS350.X Mouser Part No 576-L70QS350.X	Littelfuse	Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	7In Stock	$360.67 $306.41 $282.46 $233.34	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 50A Littelfuse L75QS050.V L75QS050.V Littelfuse 1: $145.70 14In Stock	Mfr. Part No. L75QS050.V Mouser Part No 576-L75QS050.V	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 50A Learn More about Littelfuse hvac protection control solutions	Datasheet	14In Stock	$145.70 $120.82 $111.44 $92.18 $85.15	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 100A Littelfuse L75QS100.V L75QS100.V Littelfuse 1: $191.90 4In Stock 250On Order	Mfr. Part No. L75QS100.V Mouser Part No 576-L75QS100.V	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 100A Learn More about Littelfuse hvac protection control solutions	Datasheet	4In Stock 250On Order On Order Ship Dates Mfr. No: L75QS100.V Stock: 4 Can Dispatch Immediately On Order: 5 Expected 5/11/2026 100 Expected 11/11/2026 145 Expected 21/12/2026 Factory Lead Time: 11 Weeks	$191.90 $159.12 $146.73 $124.44 $114.53	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 1K OHM 2% DO-35 102PS1G Littelfuse 1: $2.96 1,006In Stock	Mfr. Part No. 102PS1G Mouser Part No 803-102PS1G	Littelfuse	PTC (Positive Temperature Coefficient) Thermistors 1K OHM 2% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	1,006In Stock	$2.96 $2.83 $2.64 $2.54 View $2.49 $2.31 $2.14 $2.09 $2.00	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5% 102PS1J Littelfuse 1: $2.23 192In Stock 1,500Expected 1/2/2027	Mfr. Part No. 102PS1J Mouser Part No 803-102PS1J	Littelfuse	PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5% Learn More about Littelfuse do 35 standard	Datasheet	192In Stock 1,500Expected 1/2/2027	$2.23 $2.12 $2.00 $1.90 View $1.88 $1.71 $1.62 $1.52 $1.41	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5% DEG C DO-35 103JL1A Littelfuse 1: $1.65 535In Stock	Mfr. Part No. 103JL1A Mouser Part No 803-103JL1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5% DEG C DO-35 Learn More about Littelfuse jl do 35	Datasheet	535In Stock	$1.65 $1.56 $1.34 $1.21 View $1.17 $1.11 $1.03 $0.952 $0.894	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35 103JM1A Littelfuse 1: $1.25 18In Stock 1,000Expected 5/1/2027	Mfr. Part No. 103JM1A Mouser Part No 803-103JM1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	18In Stock 1,000Expected 5/1/2027	$1.25 $1.18 $1.10 $1.05 View $1.01 $0.887 $0.836 $0.808	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 100K 0.5 DEG C DO-35 104JL1A Littelfuse 1: $2.01 604In Stock	Mfr. Part No. 104JL1A Mouser Part No 803-104JL1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 100K 0.5 DEG C DO-35 Learn More about Littelfuse jl do 35	Datasheet	604In Stock	$2.01 $1.92 $1.80 $1.71 View $1.70 $1.55 $1.44 $1.33	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/ 105V3G1K Littelfuse 1: $2.04 373In Stock	Mfr. Part No. 105V3G1K Mouser Part No 803-105V3G1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse do 35 standard	Datasheet	373In Stock	$2.04 $1.54 $1.23 $1.16 View $1.12 $0.899 $0.873	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 2K OHM 5% DO-35 202PS1J Littelfuse 1: $6.20 182In Stock	Mfr. Part No. 202PS1J Mouser Part No 803-202PS1J	Littelfuse	PTC (Positive Temperature Coefficient) Thermistors 2K OHM 5% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	182In Stock	$6.20 $5.56 $5.32 $5.03 View $4.84 $4.43 $4.30 $4.16	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 20K OHM .5% DEG C DO-35 203JL1A Littelfuse 1: $2.01 192In Stock	Mfr. Part No. 203JL1A Mouser Part No 803-203JL1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 20K OHM .5% DEG C DO-35 Learn More about Littelfuse jl do 35	Datasheet	192In Stock	$2.01 $1.92 $1.80 $1.71 View $1.55 $1.50 $1.44 $1.33	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/ 302JH1K Littelfuse 1: $0.843 589In Stock	Mfr. Part No. 302JH1K Mouser Part No 803-302JH1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/ Learn More about Littelfuse do 35 standard	Datasheet	589In Stock	$0.843 $0.79 $0.74 $0.703 View $0.672 $0.605 $0.568 $0.521	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 375Y1G2K Littelfuse 1: $1.35 1,464In Stock	Mfr. Part No. 375Y1G2K Mouser Part No 803-375Y1G2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse do 35 standard	Datasheet	1,464In Stock	$1.35 $1.28 $1.20 $1.14 View $1.09 $0.972 $0.864	Min.: 1 Mult.: 1

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