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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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Part #

Specialty Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS125.V
Littelfuse
1: $146.18
7On Order

Mfr. Part No.
L70QS125.V

Mouser Part No
576-L70QS125.V

Littelfuse

Specialty Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

7On Order

$146.18

$126.81

$117.89

$105.44

$98.21

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100K 1 DEG C DO-35

104JM1A
Littelfuse
1: $1.00
5Expected 30/04/2026

Mfr. Part No.
104JM1A

Mouser Part No
803-104JM1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 100K 1 DEG C DO-35

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Datasheet

5Expected 30/04/2026

$1.00

$0.787

$0.737

$0.703

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/

302JH1K
Littelfuse
1: $0.58
649Expected 18/02/2026

Mfr. Part No.
302JH1K

Mouser Part No
803-302JH1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/

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Datasheet

649Expected 18/02/2026

$0.58

$0.55

$0.514

$0.488

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

375Y1G2K
Littelfuse
1: $7.13
464Expected 29/04/2026

Mfr. Part No.
375Y1G2K

Mouser Part No
803-375Y1G2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

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Datasheet

464Expected 29/04/2026

$7.13

$5.63

$0.586

$0.576

Min.: 1
Mult.: 1

Specialty Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS035.V
Littelfuse
1: $94.44
12Expected 23/06/2026

Mfr. Part No.
L70QS035.V

Mouser Part No
576-L70QS035.V

Littelfuse

Specialty Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

12Expected 23/06/2026

$94.44

$78.42

$67.13

$59.83

$55.09

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

PSR070UL0050Z
Littelfuse
1: $368.04
4Expected 18/02/2026

Mfr. Part No.
PSR070UL0050Z

Mouser Part No
576-PSR070UL0050Z

Littelfuse

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

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Datasheet

4Expected 18/02/2026

$368.04

$323.89

View

Min.: 1
Mult.: 1

Specialty Fuses 20A 250VAC 250VDC FF L25S POWR-SPEED

L25S020.T
Littelfuse
1: $30.46
20On Order

Mfr. Part No.
L25S020.T

Mouser Part No
576-L25S020.T

Littelfuse

Specialty Fuses 20A 250VAC 250VDC FF L25S POWR-SPEED

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Datasheet

20On Order

$30.46

$23.50

$21.49

View

Min.: 1
Mult.: 1

Specialty Fuses 100A 500VAC 450VDC FF L50S POWR-SPEED

L50S100.T
Littelfuse
1: $68.42
16Expected 25/02/2026

Mfr. Part No.
L50S100.T

Mouser Part No
576-L50S100.T

Littelfuse

Specialty Fuses 100A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

16Expected 25/02/2026

$68.42

$56.95

$52.53

$43.47

View

Min.: 1
Mult.: 1

Specialty Fuses 10A 250VAC 250VDC FF L25S POWR-SPEED

L25S010.T
Littelfuse
1: $20.86
10Expected 09/04/2026

Mfr. Part No.
L25S010.T

Mouser Part No
576-L25S010.T

Littelfuse

Specialty Fuses 10A 250VAC 250VDC FF L25S POWR-SPEED

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Datasheet

10Expected 09/04/2026

$20.86

$18.07

$16.60

View

Min.: 1
Mult.: 1

Specialty Fuses 50A 250VAC 250VDC FF L25S POWR-SPEED

L25S050.T
Littelfuse
1: $71.98
12Factory Stock Available

Mfr. Part No.
L25S050.T

Mouser Part No
576-L25S050.T

Littelfuse

Specialty Fuses 50A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

12Factory Stock Available

More Info Available

$71.98

$66.42

$61.82

$61.13

$60.52

Min.: 1
Mult.: 1

Specialty Fuses 400A 250VAC 200VDC FF L25S POWR-SPEED

L25S400.V
Littelfuse
1: $109.47
11Factory Stock Available

Mfr. Part No.
L25S400.V

Mouser Part No
576-L25S400.V

Littelfuse

Specialty Fuses 400A 250VAC 200VDC FF L25S POWR-SPEED

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Datasheet

11Factory Stock Available

More Info Available

$109.47

$101.86

$95.47

$91.17

$90.26

Min.: 1
Mult.: 1

Specialty Fuses 50A 500VAC 450VDC FF L50S POWR-SPEED

L50S050.T
Littelfuse
1: $54.83
93Stock Available

Mfr. Part No.
L50S050.T

Mouser Part No
576-L50S050.T

Littelfuse

Specialty Fuses 50A 500VAC 450VDC FF L50S POWR-SPEED

Learn More

Datasheet

93Stock Available

More Info Available

$54.83

$49.95

$48.11

$40.54

View

Min.: 1
Mult.: 1

Specialty Fuses 300A 700VAC 650VDC FF L70S POWR-SPEED

L70S300.V
Littelfuse
1: $198.53
63Factory Stock Available

Mfr. Part No.
L70S300.V

Mouser Part No
576-L70S300.V

Littelfuse

Specialty Fuses 300A 700VAC 650VDC FF L70S POWR-SPEED

Learn More

Datasheet

63Factory Stock Available

More Info Available

$198.53

$188.91

$183.65

$180.13

Min.: 1
Mult.: 1

Specialty Fuses 1000V SIZE 70 LONG BL 100A

PSR070UL0100Z
Littelfuse
1: $367.98
96Factory Stock Available

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

Specialty Fuses 1000V SIZE 70 LONG BL 100A

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Datasheet

96Factory Stock Available

More Info Available

$367.98

$286.67

$264.17

Min.: 1
Mult.: 1

Specialty Fuses 315A 1250VAC SIZE 71 POWER-SPEED FLUSH M

PSR071FL0315Z
Littelfuse
1: $334.76
582Factory Stock Available

Mfr. Part No.
PSR071FL0315Z

Mouser Part No
576-PSR071FL0315Z

Littelfuse

Specialty Fuses 315A 1250VAC SIZE 71 POWER-SPEED FLUSH M

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Datasheet

582Factory Stock Available

More Info Available

$334.76

$290.77

$283.90

View

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB SIZE 73 US LONG BL 315A

PSR073UL0315X
Littelfuse
1: $497.77
469Factory Stock Available

Mfr. Part No.
PSR073UL0315X

Mouser Part No
576-PSR073UL0315X

Littelfuse

Specialty Fuses POWR-SPEED SQB SIZE 73 US LONG BL 315A

Learn More

Datasheet

469Factory Stock Available

More Info Available

$497.77

View

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL BOLTED BL 200A

PSX1XLUB0200X
Littelfuse
1: $358.28
2,646Factory Stock Available

Mfr. Part No.
PSX1XLUB0200X

Mouser Part No
576-PSX1XLUB0200X

Littelfuse

Specialty Fuses SQB SIZE 1XL BOLTED BL 200A

Learn More

Datasheet

2,646Factory Stock Available

More Info Available

$358.28

$302.24

$277.31

Quote

Min.: 1
Mult.: 1

Specialty Fuses 40A 150VAC VDC FF L15S POWR-SPEED

L15S040.TX100
Littelfuse
1: $48.64
53Factory Stock Available

Mfr. Part No.
L15S040.TX100

Mouser Part No
576-L15S040.TX100

Littelfuse

Specialty Fuses 40A 150VAC VDC FF L15S POWR-SPEED

Learn More

Datasheet

53Factory Stock Available

More Info Available

$48.64

$44.43

$42.38

$40.21

View

Min.: 1
Mult.: 1

Specialty Fuses 50A 150VAC VDC FF L15S POWR-SPEED

L15S050.TX100
Littelfuse
1: $50.52
2Factory Stock Available

Mfr. Part No.
L15S050.TX100

Mouser Part No
576-L15S050.TX100

Littelfuse

Specialty Fuses 50A 150VAC VDC FF L15S POWR-SPEED

Learn More

Datasheet

2Factory Stock Available

More Info Available

$50.52

$46.31

$44.32

$42.19

View

Min.: 1
Mult.: 1

Specialty Fuses 60A 150VAC VDC FF L15S POWR-SPEED

L15S060.TX100
Littelfuse
1: $48.64
34Factory Stock Available

Mfr. Part No.
L15S060.TX100

Mouser Part No
576-L15S060.TX100

Littelfuse

Specialty Fuses 60A 150VAC VDC FF L15S POWR-SPEED

Learn More

Datasheet

34Factory Stock Available

More Info Available

$48.64

$44.43

$42.38

$40.21

View

Min.: 1
Mult.: 1

Specialty Fuses 45A 250VAC 250VDC FF L25S POWR-SPEED

L25S045.T
Littelfuse
1: $71.75
10Factory Stock Available

Mfr. Part No.
L25S045.T

Mouser Part No
576-L25S045.T

Littelfuse

Specialty Fuses 45A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

10Factory Stock Available

More Info Available

$71.75

$66.14

$61.82

$55.66

View

Min.: 1
Mult.: 1

Specialty Fuses 70A 250VAC 250VDC FF L25S POWR-SPEED

L25S070.V
Littelfuse
1: $85.09
1Factory Stock Available

Mfr. Part No.
L25S070.V

Mouser Part No
576-L25S070.V

Littelfuse

Specialty Fuses 70A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

1Factory Stock Available

More Info Available

$85.09

$78.17

$73.77

$72.60

View

Min.: 1
Mult.: 1

Specialty Fuses 80A 250VAC 250VDC FF L25S POWR-SPEED

L25S080.V
Littelfuse
1: $71.52
33Stock Available

Mfr. Part No.
L25S080.V

Mouser Part No
576-L25S080.V

Littelfuse

Specialty Fuses 80A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

33Stock Available

More Info Available

$71.52

$68.71

$65.95

$64.83

View

Min.: 1
Mult.: 1

Specialty Fuses 90A 250VAC 250VDC FF L25S POWR-SPEED

L25S090.V
Littelfuse
1: $85.64
23Factory Stock Available

Mfr. Part No.
L25S090.V

Mouser Part No
576-L25S090.V

Littelfuse

Specialty Fuses 90A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

23Factory Stock Available

More Info Available

$85.64

$78.76

$73.82

$72.79

View

Min.: 1
Mult.: 1

Specialty Fuses 100A 250VAC 250VDC FF L25S POWR-SPEED

L25S100.V
Littelfuse
1: $85.09
66Factory Stock Available

Mfr. Part No.
L25S100.V

Mouser Part No
576-L25S100.V

Littelfuse

Specialty Fuses 100A 250VAC 250VDC FF L25S POWR-SPEED

Learn More

Datasheet

66Factory Stock Available

More Info Available

$85.09

$78.17

$73.77

$72.60

View

Min.: 1
Mult.: 1

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