Industrial & Electrical Fuses

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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 15A 700VAC 650VDC FF L70S POWR-SPEED

L70S015.T
Littelfuse
1: ¥8,730.2
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

¥8,730.2

¥6,843.3

¥6,529.4

¥6,129.1

View

Min.: 1
Mult.: 1

Semiconductor Fuses

15 A

700 VAC

Fast-Acting Fuses

650 VDC

20 kA

Round Body Blade Fuses

Stud

Bolt Down

Without Indicator

Bulk

L70S

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

L70S010.T
Littelfuse
1: ¥8,728.6
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

¥8,728.6

¥6,816.7

¥6,786.8

Min.: 1
Mult.: 1

Semiconductor Fuses

10 A

700 VAC

Fast-Acting Fuses

650 VDC

20 kA

Round Body Blade Fuses

Stud

Bolt Down

Without Indicator

Bulk

L70S

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

L70S060.T
Littelfuse
1: ¥16,400.7
3In Stock

Mfr. Part #
L70S060.T

Mouser Part #
576-L70S060.T

Littelfuse

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

Learn More

Datasheet

3In Stock

¥16,400.7

¥13,171.7

¥12,522.3

¥11,901.1

View

Min.: 1
Mult.: 1

Semiconductor Fuses

60 A

700 VAC

Fast-Acting Fuses

650 VDC

20 kA

Round Body Blade Fuses

Stud

Bolt Down

Without Indicator

Bulk

L70S

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

L70S125.V
Littelfuse
1: ¥29,035.9
10In Stock

Mfr. Part #
L70S125.V

Mouser Part #
576-L70S125.V

Littelfuse

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

Learn More

Datasheet

10In Stock

¥29,035.9

¥24,077.9

¥22,538.1

¥20,659.5

View

Min.: 1
Mult.: 1

Semiconductor Fuses

125 A

700 VAC

Fast-Acting Fuses

650 VDC

20 kA

Round Body Blade Fuses

Stud

Bolt Down

Without Indicator

Bulk

L70S

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

L50QS150.V
Littelfuse
1: ¥16,297.7
59In Stock
130Expected 9/10/2026

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

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

Learn More

Datasheet

59In Stock

130Expected 9/10/2026

¥16,297.7

¥13,592

¥12,542.2

¥10,809.8

¥9,755.1

Min.: 1
Mult.: 1

Semiconductor Fuses

150 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS200.V
Littelfuse
1: ¥16,068.5
39In Stock

Mfr. Part #
L50QS200.V

Mouser Part #
576-L50QS200.V

Littelfuse

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

Learn More

Datasheet

39In Stock

¥16,068.5

¥13,346.1

¥12,806.3

¥10,593.9

¥9,755.1

Min.: 1
Mult.: 1

Semiconductor Fuses

200 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS250.V
Littelfuse
1: ¥25,993
23In Stock

Mfr. Part #
L50QS250.V

Mouser Part #
576-L50QS250.V

Littelfuse

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

Learn More

Datasheet

23In Stock

¥25,993

¥22,541.4

¥19,872.2

¥16,430.6

¥15,123.4

Min.: 1
Mult.: 1

Semiconductor Fuses

250 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS300.V
Littelfuse
1: ¥24,371.9
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

Learn More

Datasheet

27In Stock

33Expected 9/17/2026

¥24,371.9

¥21,553.1

¥19,872.2

¥16,340.9

¥15,123.4

Min.: 1
Mult.: 1

Semiconductor Fuses

300 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS350.V
Littelfuse
1: ¥25,994.7
60In Stock

Mfr. Part #
L50QS350.V

Mouser Part #
576-L50QS350.V

Littelfuse

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

60In Stock

¥25,994.7

¥22,121.2

¥20,735.9

¥17,209.6

¥15,123.4

Min.: 1
Mult.: 1

Semiconductor Fuses

350 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS600.X
Littelfuse
1: ¥37,382.5
56In Stock

Mfr. Part #
L50QS600.X

Mouser Part #
576-L50QS600.X

Littelfuse

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

Learn More

Datasheet

56In Stock

¥37,382.5

¥30,775

¥25,428.2

Min.: 1
Mult.: 1

Semiconductor Fuses

600 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L70QS070.V
Littelfuse
1: ¥21,847.1
106In Stock

Mfr. Part #
L70QS070.V

Mouser Part #
576-L70QS070.V

Littelfuse

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

Learn More

Datasheet

106In Stock

¥21,847.1

¥18,116.5

¥16,706.3

¥14,273

View

Min.: 1
Mult.: 1

Semiconductor Fuses

70 A

700 VAC

Fast-Acting Fuses

700 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L70QS

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

L70QS150.V
Littelfuse
1: ¥30,790
18In Stock

Mfr. Part #
L70QS150.V

Mouser Part #
576-L70QS150.V

Littelfuse

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

Learn More

Datasheet

18In Stock

¥30,790

¥25,689

¥24,021.4

¥19,453.6

Min.: 1
Mult.: 1

Semiconductor Fuses

150 A

700 VAC

Fast-Acting Fuses

700 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L70QS

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

L25S060.T
Littelfuse
1: ¥13,874.3
108In Stock

Mfr. Part #
L25S060.T

Mouser Part #
576-L25S060.T

Littelfuse

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

Learn More

Datasheet

108In Stock

¥13,874.3

¥11,509.1

¥10,615.5

¥8,783.4

View

Min.: 1
Mult.: 1

Semiconductor Fuses

60 A

250 VAC

Fast-Acting Fuses

250 VDC

20 kA

Bolt Down

Class aR Fuses

5AG

Without Indicator

Bulk

L25S

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

L70QS060.V
Littelfuse
1: ¥17,237.9
30In Stock

Mfr. Part #
L70QS060.V

Mouser Part #
576-L70QS060.V

Littelfuse

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

Learn More

Datasheet

30In Stock

¥17,237.9

¥14,364.3

¥13,583.7

¥10,907.8

¥10,042.4

Min.: 1
Mult.: 1

Semiconductor Fuses

60 A

700 VAC

Fast-Acting Fuses

700 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L70QS

Industrial & Electrical Fuses 750V FAST BLOW 70A

L75QS070.V
Littelfuse
1: ¥22,672.7
20In Stock

Mfr. Part #
L75QS070.V

Mouser Part #
576-L75QS070.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 70A

Learn More

Datasheet

20In Stock

¥22,672.7

¥19,038.4

¥17,972

¥14,336.1

¥13,196.6

Min.: 1
Mult.: 1

Semiconductor Fuses

70 A

750 VDC

50 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

L75

Industrial & Electrical Fuses 750V FAST BLOW 250A

L75QS250.X
Littelfuse
1: ¥46,449.9
14In Stock

Mfr. Part #
L75QS250.X

Mouser Part #
576-L75QS250.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 250A

Learn More

Datasheet

14In Stock

¥46,449.9

¥38,158.2

¥35,198.3

¥29,311.7

Min.: 1
Mult.: 1

Semiconductor Fuses

250 A

750 VDC

50 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

L75

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

L75QS300.X
Littelfuse
1: ¥38,889
20In Stock
4Expected 9/24/2026

Mfr. Part #
L75QS300.X

Mouser Part #
576-L75QS300.X

Littelfuse

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

Learn More

Datasheet

20In Stock

4Expected 9/24/2026

¥38,889

Min.: 1
Mult.: 1

Semiconductor Fuses

300 A

750 VDC

50 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

L75

Industrial & Electrical Fuses 750V FAST BLOW 400A

L75QS400.X
Littelfuse
1: ¥46,444.9
9In Stock
11Expected 9/24/2026

Mfr. Part #
L75QS400.X

Mouser Part #
576-L75QS400.X

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 400A

Learn More

Datasheet

9In Stock

11Expected 9/24/2026

¥46,444.9

¥38,158.2

¥35,198.3

¥29,311.7

Min.: 1
Mult.: 1

Semiconductor Fuses

400 A

750 VDC

50 kA

Round Body Fuses

Stud

Bolt Down

Without Indicator

Bulk

L75

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

PSX3XLDB1400X
Littelfuse
1: ¥191,513.3
3In Stock

Mfr. Part #
PSX3XLDB1400X

Mouser Part #
576-PSX3XLDB1400X

Littelfuse

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

Learn More

Datasheet

3In Stock

¥191,513.3

¥138,877.9

¥138,824.7

Quote

Min.: 1
Mult.: 1

Semiconductor Fuses

1.4 kA

Fast-Acting Fuses

1.5 kVDC

200 kA

Blade

Visual Indicator

Bulk

PSX

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

L15S250.T
Littelfuse
1: ¥11,557.2
63In Stock

Mfr. Part #
L15S250.T

Mouser Part #
576-L15S250.T

Littelfuse

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

Learn More

Datasheet

63In Stock

¥11,557.2

¥9,919.5

¥8,898

¥7,653.9

View

Min.: 1
Mult.: 1

Semiconductor Fuses

250 A

150 VAC

Fast-Acting Fuses

100 VDC

20 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L15S

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

L50QS060.T
Littelfuse
1: ¥10,650.3
2In Stock
27Expected 10/29/2026

Mfr. Part #
L50QS060.T

Mouser Part #
576-L50QS060.T

Littelfuse

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

Learn More

Datasheet

2In Stock

27Expected 10/29/2026

¥10,650.3

¥9,007.6

¥7,831.6

¥6,745.3

View

Min.: 1
Mult.: 1

Semiconductor Fuses

60 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS080.T
Littelfuse
1: ¥11,721.7
11In Stock
12Expected 10/5/2026

Mfr. Part #
L50QS080.T

Mouser Part #
576-L50QS080.T

Littelfuse

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

Learn More

Datasheet

11In Stock

12Expected 10/5/2026

¥11,721.7

¥10,424.4

¥9,650.4

¥7,421.3

View

Min.: 1
Mult.: 1

Semiconductor Fuses

80 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS100.T
Littelfuse
1: ¥9,323.2
8In Stock
190Expected 9/24/2026

Mfr. Part #
L50QS100.T

Mouser Part #
576-L50QS100.T

Littelfuse

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

Learn More

Datasheet

8In Stock

190Expected 9/24/2026

¥9,323.2

¥8,248.5

¥7,755.2

¥6,831.7

View

Min.: 1
Mult.: 1

Semiconductor Fuses

100 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS125.V
Littelfuse
1: ¥16,030.3
Lead-Time 11 Weeks

Mfr. Part #
L50QS125.V

Mouser Part #
576-L50QS125.V

Littelfuse

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

Learn More

Datasheet

Lead-Time 11 Weeks

¥16,030.3

¥13,314.6

¥12,808

¥10,480.9

¥9,755.1

Min.: 1
Mult.: 1

Semiconductor Fuses

125 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

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

L50QS400.V
Littelfuse
1: ¥24,365.2
6In Stock
32Expected 10/5/2026

Mfr. Part #
L50QS400.V

Mouser Part #
576-L50QS400.V

Littelfuse

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

Learn More

Datasheet

6In Stock

32Expected 10/5/2026

¥24,365.2

¥20,764.2

¥19,872.2

¥16,008.7

View

Min.: 1
Mult.: 1

Semiconductor Fuses

400 A

500 VAC

Fast-Acting Fuses

500 VDC

200 kA

Bolt Down

Class aR Fuses

Without Indicator

Bulk

L50QS

1 A
2 A
3 A
4 A
5 A
6 A
8 A
10 A
12 A
15 A
20 A
25 A
30 A
35 A
40 A
45 A
50 A
60 A
70 A
80 A