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 to 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 recombiner 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.