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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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 2026/03/03
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
92In 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 2026/02/23
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 2026/02/18
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
48In 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
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