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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 300A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS300.X
Littelfuse
1: $360.67
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
L70QS300.X

Mouser Part No
576-L70QS300.X

Littelfuse

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

Non-Stocked Lead-Time 11 Weeks

$360.67

$298.97

$267.68

$233.34

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

PSX1XLUB0200X
Littelfuse
1: $582.04
12Expected 5/10/2026

Mfr. Part No.
PSX1XLUB0200X

Mouser Part No
576-PSX1XLUB0200X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

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Datasheet

12Expected 5/10/2026

$582.04

$479.58

$408.60

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 800A

PSX3XLUB0800X
Littelfuse
1: $1,144.37
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
PSX3XLUB0800X

Mouser Part No
576-PSX3XLUB0800X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 800A

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Datasheet

Non-Stocked Lead-Time 11 Weeks

$1,144.37

$924.96

$863.42

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS035.T
Littelfuse
1: $73.66
119On Order

Mfr. Part No.
L50QS035.T

Mouser Part No
576-L50QS035.T

Littelfuse

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

119On Order

$73.66

$64.08

$59.60

$55.23

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS080.V
Littelfuse
1: $178.87
42Expected 15/10/2026

Mfr. Part No.
L70QS080.V

Mouser Part No
576-L70QS080.V

Littelfuse

Industrial & Electrical Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

42Expected 15/10/2026

$178.87

$148.35

$141.40

$117.54

$104.12

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 35A

L75QS035.V
Littelfuse
1: $147.53
225Expected 24/9/2026

Mfr. Part No.
L75QS035.V

Mouser Part No
576-L75QS035.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 35A

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Datasheet

225Expected 24/9/2026

$147.53

$120.82

$107.54

$91.50

$84.25

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

L75QS060.V
Littelfuse
1: $144.64
186Expected 5/10/2026

Mfr. Part No.
L75QS060.V

Mouser Part No
576-L75QS060.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

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Datasheet

186Expected 5/10/2026

$144.64

$119.94

$110.61

$91.50

$84.25

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

L75QS150.V
Littelfuse
1: $250.48
30Expected 10/9/2026

Mfr. Part No.
L75QS150.V

Mouser Part No
576-L75QS150.V

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

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Datasheet

30Expected 10/9/2026

$250.48

$204.37

$176.94

$155.15

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

PSX3XLFL1000X
Littelfuse
1: $1,320.38
7Expected 19/1/2027

Mfr. Part No.
PSX3XLFL1000X

Mouser Part No
576-PSX3XLFL1000X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

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Datasheet

7Expected 19/1/2027

$1,320.38

$1,055.47

$995.79

Min.: 1
Mult.: 1

Current Sense Resistors - SMD 2512 0.3mohm 1% Shunt Resistor

PSR100KTQFD0L30
ROHM Semiconductor
1: $3.16
14,986On Order

Mfr. Part No.
PSR100KTQFD0L30

Mouser Part No
755-PSR100KTQFD0L30

ROHM Semiconductor

Current Sense Resistors - SMD 2512 0.3mohm 1% Shunt Resistor

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Datasheet

14,986On Order

Cut Tape

$3.16

$2.09

$1.65

$1.47

Reel

$0.976

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Current Sense Resistors - SMD Passive Components, Resistors, 15x7.75 (5931) size, 15W, 0.1m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

PSR500HTQFB0L10
ROHM Semiconductor
1: $3.14
2,000On Order

Mfr. Part No.
PSR500HTQFB0L10

Mouser Part No
755-PSR500HTQFB0L10

ROHM Semiconductor

Current Sense Resistors - SMD Passive Components, Resistors, 15x7.75 (5931) size, 15W, 0.1m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

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Datasheet

2,000On Order

Cut Tape

$3.14

$2.19

$1.85

$1.75

Reel

$1.50

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Current Sense Resistors - SMD 5931 0.0002ohm 1% Shunt Res AEC-Q200

PSR500HTQFC0L20
ROHM Semiconductor
1: $3.97
2,000On Order

Mfr. Part No.
PSR500HTQFC0L20

Mouser Part No
755-PSR500HTQFC0L20

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.0002ohm 1% Shunt Res AEC-Q200

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Datasheet

2,000On Order

Cut Tape

$3.97

$2.67

$2.08

$1.89

View

Reel

$1.34

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3435 10K 10%

GR103E1K
Littelfuse
1: $1.12
454Expected 17/8/2026

Mfr. Part No.
GR103E1K

Mouser Part No
576-GR103E1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3435 10K 10%

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Datasheet

454Expected 17/8/2026

$1.12

$1.05

$0.983

$0.937

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS175.V
Littelfuse
1: $137.12
10Expected 17/9/2026

Mfr. Part No.
L50QS175.V

Mouser Part No
576-L50QS175.V

Littelfuse

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

10Expected 17/9/2026

$137.12

$113.70

$99.01

$86.75

$79.87

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS350.X
Littelfuse
1: $348.73
6Expected 17/9/2026

Mfr. Part No.
L70QS350.X

Mouser Part No
576-L70QS350.X

Littelfuse

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

6Expected 17/9/2026

$348.73

$289.07

$266.48

$220.13

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

102PS1J
Littelfuse
1: $2.09
1,148Expected 17/8/2026

Mfr. Part No.
102PS1J

Mouser Part No
803-102PS1J

Littelfuse

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

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Datasheet

1,148Expected 17/8/2026

$2.09

$2.00

$1.88

$1.80

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35

103E1G1F
Littelfuse
1: $1.55
490Expected 12/10/2026

Mfr. Part No.
103E1G1F

Mouser Part No
803-103E1G1F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35

Learn More

Datasheet

490Expected 12/10/2026

$1.55

$1.47

$1.39

$1.30

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

375Y1G2K
Littelfuse
1: $1.28
1,464Expected 25/8/2026

Mfr. Part No.
375Y1G2K

Mouser Part No
803-375Y1G2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Learn More

Datasheet

1,464Expected 25/8/2026

$1.28

$1.21

$1.13

$1.08

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

DC103G9G
Littelfuse
1: $1.25
1,127Expected 8/9/2026

Mfr. Part No.
DC103G9G

Mouser Part No
803-DC103G9G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

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Datasheet

1,127Expected 8/9/2026

$1.25

$1.18

$0.979

$0.921

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED

L25S800.V
Littelfuse
1: $209.52
1Expected 5/1/2027

Mfr. Part No.
L25S800.V

Mouser Part No
576-L25S800.V

Littelfuse

Industrial & Electrical Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED

Learn More

Datasheet

1Expected 5/1/2027

$209.52

$200.72

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS040.T
Littelfuse
1: $81.87
Lead-Time 13 Weeks

Mfr. Part No.
L50QS040.T

Mouser Part No
576-L50QS040.T

Littelfuse

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

Lead-Time 13 Weeks

$81.87

$73.75

$68.04

$53.23

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS040.V
Littelfuse
1: $121.71
9Expected 5/10/2026

Mfr. Part No.
L70QS040.V

Mouser Part No
576-L70QS040.V

Littelfuse

Industrial & Electrical Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

9Expected 5/10/2026

$121.71

$113.07

$102.78

$89.31

$82.23

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 500VAC 450VDC FF L50S POWR-SPEED

L50S100.T
Littelfuse
1: $89.88
19Expected 5/10/2026

Mfr. Part No.
L50S100.T

Mouser Part No
576-L50S100.T

Littelfuse

Industrial & Electrical Fuses 100A 500VAC 450VDC FF L50S POWR-SPEED

Learn More

Datasheet

19Expected 5/10/2026

$89.88

$83.50

$75.47

$64.89

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 450VDC FF L50S POWR-SPEED

L50S300.V
Littelfuse
1: $184.82
2Expected 12/10/2026

Mfr. Part No.
L50S300.V

Mouser Part No
576-L50S300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 450VDC FF L50S POWR-SPEED

Learn More

Datasheet

2Expected 12/10/2026

$184.82

$177.72

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 700VAC 650VDC FF L70S POWR-SPEED

L70S050.T
Littelfuse
1: $116.81
3Expected 24/9/2026

Mfr. Part No.
L70S050.T

Mouser Part No
576-L70S050.T

Littelfuse

Industrial & Electrical Fuses 50A 700VAC 650VDC FF L70S POWR-SPEED

Learn More

Datasheet

3Expected 24/9/2026

$116.81

$108.76

$98.42

$84.97

$78.24

Min.: 1
Mult.: 1

Renewable Energy Solutions

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Renewable Energy Solutions

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