SPFJ Solar Fuses

Littelfuse SPFJ Solar Fuses are part of the POWR-GARD® portfolio and are ultra-small 1000VDC photovoltaic fuses available in 70A to 450A. The series is manufactured in Class J case sizes that allow for both fuse holder and busbar mounting configuration. The SPFJ meets both UL and IEC requirements. Littelfuse SPFJ Solar Fuses are suitable for use in inverters, re-combiner boxes, DC cable protection, and EV off-board charging.

Results: 15
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Qty. RoHS ECAD Model Series
Product
Current Rating
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Fuse Size / Group
Indicator Style
Packaging
Resistance
Littelfuse Industrial & Electrical Fuses 1000V 70A SOLAR FUSE
Datasheet
76In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 70 A Fast Blow 1 kVDC 20 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 1.924 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 100A SOLAR FUSE
Datasheet
24In Stock
32Expected 2026-07-27
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 100 A Fast Blow 1 kVDC 20 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 1.243 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 200A SOLAR FUSE
Datasheet
67In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 200 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 460 mOhms


Littelfuse Industrial & Electrical Fuses 1000VDC 200A PV Special
Datasheet
21In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 200 A Fast Blow 1 kVDC Round Body Fuses Stud Bolt Down Class J Bulk
Littelfuse Industrial & Electrical Fuses 1000V 250A SOLAR FUSE
Datasheet
14In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 250 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 485 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 300A SOLAR FUSE
Datasheet
28In Stock
13Expected 2026-05-25
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 300 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 367 mOhms


Littelfuse Industrial & Electrical Fuses 1000V 350A SOLAR FUSE
Datasheet
23In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 350 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 285 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 400A SOLAR FUSE
Datasheet
22In Stock
160On Order
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 400 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 236 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 90A SOLAR FUSE
Datasheet
16In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 90 A Fast Blow 1 kVDC 20 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 1.436 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 125A SOLAR FUSE
Datasheet
3In Stock
2Expected 2026-06-11
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 125 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 964 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 450A SOLAR FUSE
Datasheet
2In Stock
4Expected 2026-06-11
Min.: 1
Mult.: 1
SPFJ Specialty Fuses 450 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 187 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 160A SOLAR FUSE
Datasheet
314Expected 2026-12-16
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 160 A Fast Blow 1 kVDC 200 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 613 mOhms
Littelfuse Industrial & Electrical Fuses 1000VDC 125A PV Special
Datasheet
103On Order
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 125 A Fast Blow 1 kVDC Round Body Fuses Stud Bolt Down Class J Bulk
Littelfuse Industrial & Electrical Fuses 1000V 80A SOLAR FUSE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 80 A Fast Blow 1 kVDC 20 kA Round Body Fuses Stud Bolt Down Class J Without Indicator Bulk 1.7 mOhms
Littelfuse Industrial & Electrical Fuses 1000VDC 160A PV Special
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 160 A Fast Blow 1 kVDC Round Body Fuses Stud Bolt Down Class J Bulk