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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 750V FAST BLOW 250A

L75QS250.X
Littelfuse
1: Rp5.130.459
14In Stock

Mfr. Part No.
L75QS250.X

Mouser Part No
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

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Datasheet

14In Stock

Rp5.130.459

Rp4.214.627

Rp3.887.701

Rp3.237.519

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

L75QS300.X
Littelfuse
1: Rp4.295.349
20In Stock
4Expected 24/09/2026

Mfr. Part No.
L75QS300.X

Mouser Part No
576-L75QS300.X

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

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Datasheet

20In Stock

4Expected 24/09/2026

Rp4.295.349

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 400A

L75QS400.X
Littelfuse
1: Rp5.129.909
9In Stock
24On Order

Mfr. Part No.
L75QS400.X

Mouser Part No
576-L75QS400.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 400A

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Datasheet

9In Stock

24On Order

Rp5.129.909

Rp4.214.627

Rp3.887.701

Rp3.237.519

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

PSX3XLDB1400X
Littelfuse
1: Rp21.156.424
3In Stock

Mfr. Part No.
PSX3XLDB1400X

Mouser Part No
576-PSX3XLDB1400X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1400A

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Datasheet

3In Stock

Rp21.156.424

Rp19.180.560

Rp16.925.653

Min.: 1
Mult.: 1

Current Sense Resistors - SMD 2512 1mohm 1% Shunt Resistor

PSR100KTQFH1L00
ROHM Semiconductor
1: Rp38.894
4.496In Stock
10.000Expected 27/10/2026

Mfr. Part No.
PSR100KTQFH1L00

Mouser Part No
755-PSR100KTQFH1L00

ROHM Semiconductor

Current Sense Resistors - SMD 2512 1mohm 1% Shunt Resistor

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Datasheet

4.496In Stock

10.000Expected 27/10/2026

Cut Tape

Rp38.894

Rp25.868

Rp20.181

Rp18.126

Reel

Rp11.650

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200

PSR400ITQFD0L30
ROHM Semiconductor
1: Rp60.542
2.220In Stock

Mfr. Part No.
PSR400ITQFD0L30

Mouser Part No
755-PSR400ITQFD0L30

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200

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Datasheet

2.220In Stock

Cut Tape

Rp60.542

Rp38.527

Rp31.739

Rp28.620

Reel

Rp18.529

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200

PSR400ITQFF0L50
ROHM Semiconductor
1: Rp49.351
9.000In Stock

Mfr. Part No.
PSR400ITQFF0L50

Mouser Part No
755-PSR400ITQFF0L50

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200

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Datasheet

9.000In Stock

Cut Tape

Rp49.351

Rp32.839

Rp25.684

Rp23.299

Reel

Rp14.934

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses 250A 150VAC 100VDC FF L15S POWR-SPEED

L15S250.T
Littelfuse
1: Rp1.276.515
63In Stock

Mfr. Part No.
L15S250.T

Mouser Part No
576-L15S250.T

Littelfuse

Industrial & Electrical Fuses 250A 150VAC 100VDC FF L15S POWR-SPEED

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Datasheet

63In Stock

Rp1.276.515

Rp1.095.623

Rp982.795

Rp845.384

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 10% GLASS BEAD

GR102F1K
Littelfuse
1: Rp15.044
381In Stock

Mfr. Part No.
GR102F1K

Mouser Part No
576-GR102F1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 10% GLASS BEAD

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Datasheet

381In Stock

Rp15.044

Rp14.934

Rp14.181

Rp13.338

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% GLASS BEAD

GS103J1K
Littelfuse
1: Rp25.317
488In Stock

Mfr. Part No.
GS103J1K

Mouser Part No
576-GS103J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% GLASS BEAD

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Datasheet

488In Stock

Rp25.317

Rp24.217

Rp22.749

Rp21.648

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10%

GS104J1K
Littelfuse
1: Rp25.317
454In Stock

Mfr. Part No.
GS104J1K

Mouser Part No
576-GS104J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10%

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Datasheet

454In Stock

Rp25.317

Rp24.217

Rp22.749

Rp21.648

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

GT103E1K
Littelfuse
1: Rp28.253
93In Stock

Mfr. Part No.
GT103E1K

Mouser Part No
576-GT103E1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

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Datasheet

93In Stock

Rp28.253

Rp26.969

Rp23.299

Rp21.098

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

GT103J1K
Littelfuse
1: Rp45.315
491In Stock

Mfr. Part No.
GT103J1K

Mouser Part No
576-GT103J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

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Datasheet

491In Stock

Rp45.315

Rp43.113

Rp40.728

Rp39.077

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS060.T
Littelfuse
1: Rp1.176.346
27Expected 29/10/2026

Mfr. Part No.
L50QS060.T

Mouser Part No
576-L50QS060.T

Littelfuse

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

27Expected 29/10/2026

Rp1.176.346

Rp994.904

Rp865.014

Rp745.031

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS080.T
Littelfuse
1: Rp1.294.677
11In Stock
12Expected 05/10/2026

Mfr. Part No.
L50QS080.T

Mouser Part No
576-L50QS080.T

Littelfuse

Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

11In Stock

12Expected 05/10/2026

Rp1.294.677

Rp1.151.395

Rp1.065.903

Rp819.699

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS100.T
Littelfuse
1: Rp1.029.761
5In Stock
190Expected 24/09/2026

Mfr. Part No.
L50QS100.T

Mouser Part No
576-L50QS100.T

Littelfuse

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

5In Stock

190Expected 24/09/2026

Rp1.029.761

Rp911.062

Rp856.575

Rp754.571

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS400.V
Littelfuse
1: Rp2.691.175
6In Stock
32Expected 05/10/2026

Mfr. Part No.
L50QS400.V

Mouser Part No
576-L50QS400.V

Littelfuse

Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

6In Stock

32Expected 05/10/2026

Rp2.691.175

Rp2.293.433

Rp2.194.915

Rp1.768.187

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS450.X
Littelfuse
1: Rp4.361.028
4In Stock

Mfr. Part No.
L50QS450.X

Mouser Part No
576-L50QS450.X

Littelfuse

Industrial & Electrical Fuses 450A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

4In Stock

Rp4.361.028

Rp3.614.896

Rp3.332.551

Rp2.753.368

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 500VAC 450VDC FF L50S POWR-SPEED

L50S060.T
Littelfuse
1: Rp1.289.173
11In Stock

Mfr. Part No.
L50S060.T

Mouser Part No
576-L50S060.T

Littelfuse

Industrial & Electrical Fuses 60A 500VAC 450VDC FF L50S POWR-SPEED

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Datasheet

11In Stock

Rp1.289.173

Rp1.100.026

Rp1.020.955

Rp816.397

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS050.V
Littelfuse
1: Rp1.904.131
9In Stock

Mfr. Part No.
L70QS050.V

Mouser Part No
576-L70QS050.V

Littelfuse

Industrial & Electrical Fuses 50A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

9In Stock

Rp1.904.131

Rp1.644.169

Rp1.456.305

Rp1.204.782

Rp1.109.199

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS100.V
Littelfuse
1: Rp2.412.866
12In Stock
22Expected 24/09/2026

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

12In Stock

22Expected 24/09/2026

Rp2.412.866

Rp2.064.659

Rp1.907.434

Rp1.525.837

Rp1.404.570

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS125.V
Littelfuse
1: Rp3.400.798
6In Stock

Mfr. Part No.
L70QS125.V

Mouser Part No
576-L70QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

6In Stock

Rp3.400.798

Rp2.819.597

Rp2.599.812

Rp2.148.684

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS250.X
Littelfuse
1: Rp4.865.359
1In Stock

Mfr. Part No.
L70QS250.X

Mouser Part No
576-L70QS250.X

Littelfuse

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

1In Stock

Rp4.865.359

Rp4.033.001

Rp3.810.281

Rp3.147.623

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 50A

L75QS050.V
Littelfuse
1: Rp1.951.097
14In Stock

Mfr. Part No.
L75QS050.V

Mouser Part No
576-L75QS050.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 50A

Learn More

Datasheet

14In Stock

Rp1.951.097

Rp1.629.859

Rp1.549.136

Rp1.234.319

Rp1.136.535

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 100A

L75QS100.V
Littelfuse
1: Rp2.504.229
2In Stock
105Expected 12/10/2026

Mfr. Part No.
L75QS100.V

Mouser Part No
576-L75QS100.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 100A

Learn More

Datasheet

2In Stock

105Expected 12/10/2026

Rp2.504.229

Rp2.076.400

Rp1.914.955

Rp1.583.627

Rp1.457.590

Min.: 1
Mult.: 1

Renewable Energy Solutions

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Renewable Energy Solutions

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