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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: $279.70
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

$279.70

$229.77

$211.95

$176.50

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

L75QS300.X
Littelfuse
1: $234.17
20In Stock
4Expected 2026/09/24

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 2026/09/24

$234.17

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 400A

L75QS400.X
Littelfuse
1: $279.67
9In Stock
11Expected 2026/09/24

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

11Expected 2026/09/24

$279.67

$229.77

$211.95

$176.50

Min.: 1
Mult.: 1

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

PSX3XLDB1400X
Littelfuse
1: $1,153.21
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

$1,153.21

$836.26

$835.94

Quote

Min.: 1
Mult.: 1

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

PSR400ITQFD0L30
ROHM Semiconductor
1: $3.30
2,620In 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

2,620In Stock

Cut Tape

$3.30

$2.11

$1.73

$1.56

Reel

$1.01

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: $2.69
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

$2.69

$1.79

$1.40

$1.27

Reel

$0.814

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

L15S250.T
Littelfuse
1: $69.59
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

$69.59

$59.73

$53.58

$46.09

View

Min.: 1
Mult.: 1

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

GR102F1K
Littelfuse
1: $0.82
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

$0.82

$0.814

$0.773

$0.727

View

Min.: 1
Mult.: 1

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

GS103J1K
Littelfuse
1: $1.38
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

$1.38

$1.33

$1.24

$1.17

View

Min.: 1
Mult.: 1

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

GS104J1K
Littelfuse
1: $1.38
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

$1.38

$1.33

$1.24

$1.17

View

Min.: 1
Mult.: 1

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

GT103E1K
Littelfuse
1: $1.54
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

$1.54

$1.47

$1.27

$1.15

View

Min.: 1
Mult.: 1

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

GT103J1K
Littelfuse
1: $2.47
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

$2.47

$2.35

$2.22

$2.13

View

Min.: 1
Mult.: 1

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

L50QS060.T
Littelfuse
1: $64.13
2In Stock
27Expected 2026/10/29

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

2In Stock

27Expected 2026/10/29

$64.13

$54.61

Min.: 1
Mult.: 1

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

L50QS080.T
Littelfuse
1: $70.58
11In Stock
12Expected 2026/10/05

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 2026/10/05

$70.58

$62.77

$61.67

Min.: 1
Mult.: 1

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

L50QS100.T
Littelfuse
1: $56.14
8In Stock
190Expected 2026/09/24

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

8In Stock

190Expected 2026/09/24

$56.14

$52.21

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS125.V
Littelfuse
1: $96.53
Lead-Time 11 Weeks

Mfr. Part No.
L50QS125.V

Mouser Part No
576-L50QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

Lead-Time 11 Weeks

$96.53

$80.18

$77.12

$63.12

$58.74

Min.: 1
Mult.: 1

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

L50QS400.V
Littelfuse
1: $146.71
6In Stock
32Expected 2026/10/05

Mfr. Part No.
L50QS400.V

Mouser Part No
576-L50QS400.V

Littelfuse

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

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Datasheet

6In Stock

32Expected 2026/10/05

$146.71

$141.68

Min.: 1
Mult.: 1

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

L50QS450.X
Littelfuse
1: $237.75
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

$237.75

$197.07

$181.68

$150.11

Min.: 1
Mult.: 1

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

L50S060.T
Littelfuse
1: $70.28
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

$70.28

$59.98

$55.66

$44.51

View

Min.: 1
Mult.: 1

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

L70QS050.V
Littelfuse
1: $103.81
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

$103.81

$89.63

$79.40

$65.69

$60.48

Min.: 1
Mult.: 1

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

L70QS100.V
Littelfuse
1: $131.55
2In Stock
22Expected 2026/09/24

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

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

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Datasheet

2In Stock

22Expected 2026/09/24

$131.55

$112.56

$103.98

$83.19

$76.57

Min.: 1
Mult.: 1

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

L70QS125.V
Littelfuse
1: $185.41
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

$185.41

$153.71

$141.73

$117.14

Min.: 1
Mult.: 1

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

L70QS250.X
Littelfuse
1: $265.25
1In Stock

Mfr. Part No.
L70QS250.X

Mouser Part No
576-L70QS250.X

Littelfuse

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

Learn More

Datasheet

1In Stock

$265.25

$231.75

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 50A

L75QS050.V
Littelfuse
1: $106.37
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

$106.37

$88.85

$84.46

$67.29

$61.96

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 100A

L75QS100.V
Littelfuse
1: $136.52
2In Stock
105Expected 2026/10/12

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 2026/10/12

$136.52

$113.19

$104.40

$86.34

$79.47

Min.: 1
Mult.: 1

Renewable Energy Solutions

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Renewable Energy Solutions

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