1000 VDC Solar Fuse

Unique Offering
The SPFJ solar fuses are the first fuse in the electrical industry to be UL 2579 Listed and designed to protect photovoltaic (PV) applications at 1000 VDC and 70-450 A.
Littelfuse is the solar circuit protection market leader and has expertise with over 17 million devices installed in PV systems. The SPFJ offers a unique solution to inverter- and re-combiner box manufacturers across the world, helping to further protect solar power systems and increase safety. It also offers a full-range PV time-current characteristic for added protection.
Agency Approvals
The SPFJ is UL 2579 Listed, designed and manufactured in accordance with IEC Standard 60269-6 and VDE certified for 125-450 A.
These rigorous standards ensure the safety of both equipment and personnel and make the SPFJ a truly global product.
Small Footprint and Multiple Mounting Options
The 125-450 amperages are offered in Class J case sizes, allowing significant space savings opportunities for OEMs, which can help significantly reduce costs.
Customers can either mount the SPFJ solar fuses to a busbar or any three specifically designed 1000 VDC holder options to match their unique applications.