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
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Voltage Rating DC
Interrupt Rating
Termination Style
Fuse Size/Group
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Littelfuse Industrial & Electrical Fuses 1000V 200A SOLAR FUSE
Datasheet
65In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 200 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 460 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 70A SOLAR FUSE
Datasheet
69In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 70 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class J Without Indicator Bulk 1.924 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 100A SOLAR FUSE
Datasheet
23In Stock
32Expected 2026/07/27
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 100 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class J Without Indicator Bulk 1.243 mOhms


Littelfuse Industrial & Electrical Fuses 1000VDC 200A PV Special
Datasheet
43In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 200 A Fast-Acting Fuses 1 kVDC Bolt Down Class J Bulk
Littelfuse Industrial & Electrical Fuses 1000V 300A SOLAR FUSE
Datasheet
35In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 300 A Fast-Acting Fuses 1 kVDC 200 kA 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-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 285 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 90A SOLAR FUSE
Datasheet
16In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 90 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class J Without Indicator Bulk 1.436 mOhms
Littelfuse Industrial & Electrical Fuses 1000VDC 125A PV Special
Datasheet
17In Stock
86On Order
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 125 A Fast-Acting Fuses 1 kVDC Bolt Down Class J Bulk
Littelfuse Industrial & Electrical Fuses 1000V 250A SOLAR FUSE
Datasheet
2In Stock
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 250 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 485 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 125A SOLAR FUSE
Datasheet
3In Stock
2Expected 2026/07/17
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 125 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 964 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 400A SOLAR FUSE
Datasheet
82On Order
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 400 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 236 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 160A SOLAR FUSE
Datasheet
314Expected 2026/12/04
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 160 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 613 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 450A SOLAR FUSE
Datasheet
8On Order
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 450 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class J Without Indicator Bulk 187 mOhms
Littelfuse Industrial & Electrical Fuses 1000V 80A SOLAR FUSE
Datasheet
1Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

SPFJ Specialty Fuses 80 A Fast-Acting Fuses 1 kVDC 20 kA 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-Acting Fuses 1 kVDC Bolt Down Class J Bulk