Solar Fuses

Littelfuse Solar Fuses improve system uptime, sustainability and reliability of photovoltaic power systems. Littelfuse Solar Fuses meet the unique requirements of photovoltaic applications - where issues such as heat, efficiency, longevity and global standards impact the choices in selecting protection options.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
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 1000V 100A SOLAR FUSE
Datasheet
21In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 100 A 1 kVDC 20 kA at 1 kVDC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 1.243 mOhms
Littelfuse Specialty Fuses 1000V 200A SOLAR FUSE
Datasheet
80In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 200 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 460 mOhms
Littelfuse Specialty Fuses 1000V 250A SOLAR FUSE
Datasheet
10In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 250 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 485 mOhms
Littelfuse Specialty Fuses 1000V 300A SOLAR FUSE
Datasheet
15In Stock
24Expected 03/03/2026
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 300 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 367 mOhms
Littelfuse Specialty Fuses 1000V 350A SOLAR FUSE
Datasheet
43In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 350 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 285 mOhms
Littelfuse Specialty Fuses 1000V 400A SOLAR FUSE
Datasheet
41In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 400 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 236 mOhms
Littelfuse Specialty Fuses 1500 VDC 25A INLINE COMPACT FUSE-50 PACK
Datasheet
534In Stock
Min.: 1
Mult.: 1

SPXI Axial Lead and Cartridge Fuses Cartridge Fuses 25 A 1.5 kVDC 50 kA at 1.5 kV Holder Clip Medium / Normal Blow Without Indicator Bulk
Littelfuse Specialty Fuses 6A 1500 VDC Solar 30kA Photovoltaic
Datasheet
206In Stock
Min.: 1
Mult.: 1

SPXVS Solar String Fuses Cartridge Fuses 6 A 1.5 kVDC 50 kA at 1500 VDC Holder Cartridge Medium / Normal Blow Solar Photovoltaic Fuse Link Without Indicator Bulk 57.6 mOhms
Littelfuse Specialty Fuses 15A 1500 VDC Solar 30kA Photovoltaic
Datasheet
81In Stock
Min.: 1
Mult.: 1

SPXVS Solar String Fuses Cartridge Fuses 15 A 1.5 kVDC 50 kA at 1500 VDC Holder Cartridge Medium / Normal Blow Solar Photovoltaic Fuse Link Without Indicator Bulk 13.1 mOhms
Littelfuse Specialty Fuses 1000VDC 1AMP Midget
Datasheet
172In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 1 A 1 kVAC 1 kVDC Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Specialty Fuses 1000VDC 12AMP Midget
Datasheet
497In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 12 A 1 kVAC 1 kVDC Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Specialty Fuses 1000VDC 20AMP Midget PCB Tabs
Datasheet
136In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 20 A 1 kVAC 1 kVDC Through Hole Radial Blade Bend Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Specialty Fuses 1000V 160A SOLAR FUSE
Datasheet
112In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses Round Body Fuses 160 A 1 kVDC 200 kA at 600 VAC Stud Bolt Down Fast Blow Class J Without Indicator Bulk 613 mOhms
Littelfuse Specialty Fuses 1500 VDC 32A INLINE COMPACT FUSE-50 PACK
Datasheet
492In Stock
Min.: 1
Mult.: 1

SPXI Axial Lead and Cartridge Fuses Cartridge Fuses 32 A 1.5 kVDC 50 kA at 1.5 kV Holder Clip Medium / Normal Blow Without Indicator Bulk
Littelfuse Specialty Fuses 1000 VDC 2 AMP MIDGET FUSE
Datasheet
90In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 2 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 237 mOhms
Littelfuse Specialty Fuses 1000VDC 3AMP Midget PCB Tabs
Datasheet
50In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 3 A 1 kVAC 1 kVDC Through Hole Radial Blade Bend Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Specialty Fuses 1000 VDC 3 AMP MIDGET FUSE
Datasheet
129In Stock
160Expected 23/02/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 3 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 110 mOhms
Littelfuse Specialty Fuses 1000 VDC 4 AMP MIDGET FUSE
Datasheet
19In Stock
350Expected 18/02/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 4 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 61.27 mOhms
Littelfuse Specialty Fuses 1000VDC 5AMP Midget PCB Tabs
Datasheet
3In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 5 A 1 kVAC 1 kVDC Through Hole Radial Blade Bend Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Specialty Fuses 1000 VDC 5 AMP MIDGET FUSE
Datasheet
119In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 5 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 40.86 mOhms
Littelfuse Specialty Fuses 1000 VDC 6 AMP MIDGET FUSE
Datasheet
50In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 6 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 28.1 mOhms
Littelfuse Specialty Fuses 1000 VDC 8 AMP MIDGET FUSE
Datasheet
51In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses Cartridge Fuses 8 A 1 kVAC 1 kVDC 20 kA Holder Clip Fast Blow 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 17.8 mOhms
Littelfuse Specialty Fuses 1500VDC 20A INLINE MIDGET FUSE
Datasheet
19In Stock
Min.: 1
Mult.: 1

SPXI Bulk
Littelfuse Specialty Fuses 20A 1500 VDC Solar 30kA Photovoltaic
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

SPXVS Solar String Fuses Cartridge Fuses 20 A 1.5 kVDC 50 kA at 1500 VDC Holder Cartridge Medium / Normal Blow Solar Photovoltaic Fuse Link Without Indicator Bulk 8.5 mOhms
Littelfuse Specialty Fuses 20A 1500 VDC Solar 30kA Photovoltaic
Datasheet
3In Stock
Min.: 1
Mult.: 1

SPXVS Solar String Fuses Cartridge Fuses 20 A 1.5 kVDC 50 kA at 1500 VDC Holder Cartridge Medium / Normal Blow Solar Photovoltaic Fuse Link Without Indicator Bulk 8.5 mOhms