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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Qty. RoHS ECAD Model Series
Product
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Interrupt Rating
Mounting Style
Termination Style
Fuse Type
Fuse Size/Group
Indicator Style
Packaging
Resistance
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A
Datasheet
45In Stock
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 50 A 1.3 kVAC 1 kVDC 100 kA, 150 kA Screw Blade / Boltdown Fast Blow 70 Visual Side Indicator Box
Littelfuse Specialty Fuses SQB SIZE 1XL DIN BL 80A
Datasheet
15In Stock
Min.: 1
Mult.: 1

PSX Specialty Fuses Square Body Blade Fuses 80 A 1.5 kVDC 200 kA DIN Blade Visual Blown Fuse Bulk
Littelfuse Specialty Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
76In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 100 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 25.4 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
44In Stock
Min.: 1
Mult.: 1
L50QS Specialty Fuses Round Body Fuses 125 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
50In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 150 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
52In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 200 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 30.94 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
30In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 250 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
54In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 300 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
75In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 350 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
16In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 500 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 50.8 mm x 113.49 mm Without Indicator Bulk
Littelfuse Specialty Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
33In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 150 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
71In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 200 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
16In Stock
Min.: 1
Mult.: 1
L70QS Specialty Fuses Round Body Fuses 350 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
20In Stock
Min.: 1
Mult.: 1
L70QS Specialty Fuses Round Body Fuses 600 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 750V FAST BLOW 100A
Datasheet
31In Stock
Min.: 1
Mult.: 1

L75 Specialty Fuses Round Body Fuses 100 A 750 VDC 50 kA at 750 VDC Stud Bolt Down 30.94 mm x 73.03 mm Without Indicator Bulk
Littelfuse Specialty Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
63In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 35 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 25.4 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
62In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 90 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 25.4 mm x 92.08 mm Without Indicator Bulk
Littelfuse Specialty Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
18In Stock
Min.: 1
Mult.: 1

L50QS Specialty Fuses Round Body Fuses 225 A 500 VAC 500 VDC 200 kA at 500 VAC Stud Bolt Down Fast Blow 38.1 mm x 110.31 mm Without Indicator Bulk
Littelfuse Specialty Fuses 60A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
43In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 60 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
88In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 80 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
8In Stock
Min.: 1
Mult.: 1

L70QS Specialty Fuses Round Body Fuses 500 A 700 VAC 700 VDC 200 kA at 700 VAC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 750V FAST BLOW 35A
Datasheet
183In Stock
Min.: 1
Mult.: 1
L75 Specialty Fuses Round Body Fuses 35 A 750 VDC 50 kA at 750 VDC Stud Bolt Down Fast Blow 30.94 mm x 73.03 mm Without Indicator Bulk
Littelfuse Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A
Datasheet
98In Stock
Min.: 1
Mult.: 1
L75 Specialty Fuses Round Body Fuses 60 A 750 VDC 50 kA at 750 VDC Stud Bolt Down 30.94 mm x 73.03 mm Without Indicator Bulk
Littelfuse Specialty Fuses 750V FAST BLOW 70A
Datasheet
23In Stock
Min.: 1
Mult.: 1
L75 Specialty Fuses Round Body Fuses 70 A 750 VDC 50 kA at 750 VDC Stud Bolt Down 30.94 mm x 73.03 mm Without Indicator Bulk
Littelfuse Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A
Datasheet
23In Stock
5Expected 12/03/2026
Min.: 1
Mult.: 1
L75 Specialty Fuses Round Body Fuses 150 A 750 VDC 50 kA at 750 VDC Stud Bolt Down 30.94 mm x 73.03 mm Without Indicator Bulk