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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 #

Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED

L50S500.X
Littelfuse
1: $263.501
4In Stock

Mfr. Part #
L50S500.X

Mouser Part #
576-L50S500.X

Littelfuse

Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

4In Stock

$263.501

$225.230

$218.163

$209.749

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR P/

LC103J2J
Littelfuse
1: $1.567
1.217In Stock

Mfr. Part #
LC103J2J

Mouser Part #
803-LC103J2J

Littelfuse

NTC Thermistors THERMISTOR, US SENSOR P/

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Datasheet

1.217In Stock

$1.567

$1.241

$1.094

$1.020

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Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR P/

SC104J4J
Littelfuse
1: $1.967
921In Stock

Mfr. Part #
SC104J4J

Mouser Part #
803-SC104J4J

Littelfuse

NTC Thermistors THERMISTOR, US SENSOR P/

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Datasheet

921In Stock

$1.967

$1.872

$1.819

$1.746

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A

PSX1XLDB0125X
Littelfuse
1: $450.113
13In Stock

Mfr. Part #
PSX1XLDB0125X

Mouser Part #
576-PSX1XLDB0125X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A

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Datasheet

13In Stock

$450.113

$369.669

$304.380

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED

L50S035.T
Littelfuse
1: $76.069
3In Stock

Mfr. Part #
L50S035.T

Mouser Part #
576-L50S035.T

Littelfuse

Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

3In Stock

$76.069

$67.519

$56.413

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED

L70S015.T
Littelfuse
1: $55.277
2In Stock

Mfr. Part #
L70S015.T

Mouser Part #
576-L70S015.T

Littelfuse

Industrial & Electrical Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED

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Datasheet

2In Stock

$55.277

$44.602

$43.088

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED

L50S450.X
Littelfuse
1: $263.501
1In Stock

Mfr. Part #
L50S450.X

Mouser Part #
576-L50S450.X

Littelfuse

Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

1In Stock

$263.501

$217.563

$210.895

$209.623

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED

L15S800.V
Littelfuse
1: $173.266
4In Stock

Mfr. Part #
L15S800.V

Mouser Part #
576-L15S800.V

Littelfuse

Industrial & Electrical Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED

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Datasheet

4In Stock

$173.266

$138.592

$132.797

$132.765

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED

L50S225.V
Littelfuse
1: $159.741
4In Stock

Mfr. Part #
L50S225.V

Mouser Part #
576-L50S225.V

Littelfuse

Industrial & Electrical Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

4In Stock

$159.741

$137.771

$132.197

$126.255

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED

L70S125.V
Littelfuse
1: $183.878
9In Stock

Mfr. Part #
L70S125.V

Mouser Part #
576-L70S125.V

Littelfuse

Industrial & Electrical Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED

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Datasheet

9In Stock

$183.878

$155.103

$150.812

$144.250

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 700VAC 650VDC FF L70S POWR-SPEED

L70S010.T
Littelfuse
1: $55.277
1In Stock

Mfr. Part #
L70S010.T

Mouser Part #
576-L70S010.T

Littelfuse

Industrial & Electrical Fuses 10A 700VAC 650VDC FF L70S POWR-SPEED

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Datasheet

1In Stock

$55.277

$44.423

$43.067

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 700VAC 650VDC FF L70S POWR-SPEED

L70S060.T
Littelfuse
1: $103.844
3In Stock

Mfr. Part #
L70S060.T

Mouser Part #
576-L70S060.T

Littelfuse

Industrial & Electrical Fuses 60A 700VAC 650VDC FF L70S POWR-SPEED

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Datasheet

3In Stock

$103.844

$85.176

$81.695

$81.685

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

KC102F2K
Littelfuse
1: $2.356
923In Stock

Mfr. Part #
KC102F2K

Mouser Part #
576-KC102F2K

Littelfuse

NTC Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

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Datasheet

923In Stock

$2.356

$2.093

$1.946

$1.851

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: $103.192
59In Stock
130Expected 9/2/2026

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

59In Stock

130Expected 9/2/2026

$103.192

$86.060

$79.413

$68.444

$61.766

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS200.V
Littelfuse
1: $104.464
39In Stock

Mfr. Part #
L50QS200.V

Mouser Part #
576-L50QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

39In Stock

$104.464

$86.764

$81.096

$67.087

$61.766

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS250.V
Littelfuse
1: $164.590
23In Stock

Mfr. Part #
L50QS250.V

Mouser Part #
576-L50QS250.V

Littelfuse

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

23In Stock

$164.590

$140.096

$131.819

$104.033

$95.756

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS300.V
Littelfuse
1: $153.999
27In Stock
33Expected 9/17/2026

Mfr. Part #
L50QS300.V

Mouser Part #
576-L50QS300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

27In Stock

33Expected 9/17/2026

$153.999

$136.467

$125.824

$103.108

$95.756

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $241.657
56In Stock

Mfr. Part #
L50QS600.X

Mouser Part #
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

56In Stock

$241.657

$201.399

$187.148

$161.003

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS070.V
Littelfuse
1: $138.318
106In Stock

Mfr. Part #
L70QS070.V

Mouser Part #
576-L70QS070.V

Littelfuse

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

106In Stock

$138.318

$114.708

$105.779

$90.898

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: $194.952
18In Stock

Mfr. Part #
L70QS150.V

Mouser Part #
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

18In Stock

$194.952

$162.675

$152.621

$123.174

Min.: 1
Mult.: 1

Current Sense Resistors - SMD 5931 0.001ohm 1% Shunt Res AEC-Q200

PSR500HTQFH1L00
ROHM Semiconductor
1: $3.134
3.506In Stock

Mfr. Part #
PSR500HTQFH1L00

Mouser Part #
755-PSR500HTQFH1L00

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.001ohm 1% Shunt Res AEC-Q200

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Datasheet

3.506In Stock

Cut Tape

$3.134

$2.103

$1.641

$1.493

Reel

$1.062

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

NTC Thermistors THERMISTOR, US SENSOR P/

AC103E2F
Littelfuse
1: $1.209
12.220In Stock

Mfr. Part #
AC103E2F

Mouser Part #
803-AC103E2F

Littelfuse

NTC Thermistors THERMISTOR, US SENSOR P/

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Datasheet

12.220In Stock

$1.209

$1.157

$1.083

$1.030

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 250VAC 250VDC FF L25S POWR-SPEED

L25S060.T
Littelfuse
1: $87.848
108In Stock

Mfr. Part #
L25S060.T

Mouser Part #
576-L25S060.T

Littelfuse

Industrial & Electrical Fuses 60A 250VAC 250VDC FF L25S POWR-SPEED

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Datasheet

108In Stock

$87.848

$72.872

$67.214

$55.613

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS060.V
Littelfuse
1: $109.144
25In Stock

Mfr. Part #
L70QS060.V

Mouser Part #
576-L70QS060.V

Littelfuse

Industrial & Electrical Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

25In Stock

$109.144

$90.971

$86.186

$69.065

$63.585

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 250A

L75QS250.X
Littelfuse
1: $294.105
14In Stock

Mfr. Part #
L75QS250.X

Mouser Part #
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

Learn More

Datasheet

14In Stock

$294.105

$241.647

$222.864

$185.592

Min.: 1
Mult.: 1

Renewable Energy Solutions

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