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.
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