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 Product
Current Rating
Fuse Type
Voltage Rating DC
Interrupt Rating
Termination Style
Class
Indicator Style
Packaging
Resistance
Series
Littelfuse Industrial & Electrical Fuses 1000V 90A SOLAR FUSE
Datasheet
16In Stock
Min.: 1
Mult.: 1

Photovoltaic Fuses 90 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class gPV Fuses Without Indicator Bulk 1.436 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 70A SOLAR FUSE
Datasheet
34In Stock
20Expected 2026/10/16
Min.: 1
Mult.: 1

Photovoltaic Fuses 70 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class gPV Fuses Without Indicator Bulk 1.924 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 100A SOLAR FUSE
Datasheet
44In Stock
4Expected 2026/09/17
Min.: 1
Mult.: 1

Photovoltaic Fuses 100 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class gPV Fuses Without Indicator Bulk 1.243 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 300A SOLAR FUSE
Datasheet
9In Stock
Min.: 1
Mult.: 1

Photovoltaic Fuses 300 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 367 mOhms SPFJ


Littelfuse Industrial & Electrical Fuses 1000V 350A SOLAR FUSE
Datasheet
18In Stock
Min.: 1
Mult.: 1

Photovoltaic Fuses 350 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 285 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 400A SOLAR FUSE
Datasheet
42In Stock
98Expected 2026/09/22
Min.: 1
Mult.: 1

Photovoltaic Fuses 400 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 236 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000VDC 125A PV Special
Datasheet
103In Stock
Min.: 1
Mult.: 1

Photovoltaic Fuses 125 A Fast-Acting Fuses 1 kVDC Bolt Down Class gPV Fuses Bulk SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 250A SOLAR FUSE
Datasheet
1In Stock
3Expected 2026/09/03
Min.: 1
Mult.: 1

Photovoltaic Fuses 250 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 485 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 125A SOLAR FUSE
Datasheet
1In Stock
3Expected 2026/10/01
Min.: 1
Mult.: 1

Photovoltaic Fuses 125 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 964 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 160A SOLAR FUSE
Datasheet
175Expected 2027/01/07
Min.: 1
Mult.: 1

Photovoltaic Fuses 160 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 613 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 200A SOLAR FUSE
Datasheet
20Expected 2026/10/01
Min.: 1
Mult.: 1

Photovoltaic Fuses 200 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 460 mOhms SPFJ


Littelfuse Industrial & Electrical Fuses 1000VDC 200A PV Special
Datasheet
94Expected 2026/09/10
Min.: 1
Mult.: 1

Photovoltaic Fuses 200 A Fast-Acting Fuses 1 kVDC Bolt Down Class gPV Fuses Bulk SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 450A SOLAR FUSE
Datasheet
8Expected 2026/09/03
Min.: 1
Mult.: 1

Photovoltaic Fuses 450 A Fast-Acting Fuses 1 kVDC 200 kA Bolt Down Class gPV Fuses Without Indicator Bulk 187 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000V 80A SOLAR FUSE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Photovoltaic Fuses 80 A Fast-Acting Fuses 1 kVDC 20 kA Bolt Down Class gPV Fuses Without Indicator Bulk 1.7 mOhms SPFJ
Littelfuse Industrial & Electrical Fuses 1000VDC 160A PV Special
Datasheet
31Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Photovoltaic Fuses 160 A Fast-Acting Fuses 1 kVDC Bolt Down Class gPV Fuses Bulk SPFJ