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.

Types of Circuit Protection

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Results: 335
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED 60In Stock
$134.11
$109.11
$100.28
$91.05
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% DO-35 12,139In Stock
Cut Tape
$0.29
$0.267
$0.235
$0.224
Reel
$0.141
Min.: 1
Mult.: 1
: 5,000
Littelfuse Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED 44In Stock
$56.55
$49.53
$40.09
$38.47
$36.87
Min.: 1
Mult.: 1
Littelfuse Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED 16In Stock
$346.68
$290.91
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10% 2,728In Stock
$1.38
$1.32
$1.24
$1.18
Min.: 1
Mult.: 1


Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A 25In Stock
$138.23
$114.62
$105.70
$89.95
Min.: 1
Mult.: 1


Littelfuse Industrial & Electrical Fuses 40A 750V 77In Stock
$98.56
$80.80
$69.91
$64.48
$61.95
Min.: 1
Mult.: 1
Littelfuse Industrial & Electrical Fuses 750V FAST BLOW 70A 20In Stock
$113.64
$89.32
$85.39
$79.45
Min.: 1
Mult.: 1


Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A 52In Stock
$152.93
$121.11
$109.56
$106.05
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR 4,388In Stock
$4.20
$3.76
$3.60
$3.41
Min.: 1
Mult.: 1
Littelfuse Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED 5In Stock
$349.36
$309.62
Min.: 1
Mult.: 1


Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A 74In Stock
$155.10
$130.92
$112.84
$102.93
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 1K OHM 10% 267In Stock
$1.38
$1.04
$0.827
$0.777
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 448In Stock
$1.91
$1.47
$1.23
$1.20
Min.: 1
Mult.: 1


Littelfuse Industrial & Electrical Fuses 750V FAST BLOW 250A 14In Stock
$279.67
$232.28
$214.41
$198.58
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/ 373In Stock
$1.51
$1.14
$0.907
$0.852
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 90In Stock
$0.90
$0.686
$0.591
$0.57
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 201In Stock
500Expected 08/12/2026
$1.77
$1.69
$1.43
$1.40
Min.: 1
Mult.: 1
Littelfuse Industrial & Electrical Fuses 30A 250VAC 250VDC FF L25S POWR-SPEED 38In Stock
$40.25
$36.38
$34.90
$31.08
$22.63
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS 490In Stock
$1.13
$1.07
$0.907
$0.852
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 33K OHM 10% DO41 499In Stock
$1.65
$1.24
$0.987
$0.928
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% EPOXY COATED 189In Stock
$1.42
$1.07
$0.853
$0.802
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 100K 1 DEG C DO-35 5In Stock
$1.04
$0.818
$0.766
$0.731
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3047 100 10% 11In Stock
500Expected 26/10/2026
$1.66
$1.58
$1.24
$1.18
Min.: 1
Mult.: 1
Littelfuse Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED 9In Stock
$105.31
$85.28
$79.67
$75.18
Min.: 1
Mult.: 1