Covering applications ranging from 70–400 A, HelioProtection® HP10J protects off-grid or grid-tied PV systems from unexpected ground faults and line faults. UL 2579 listed device provides overcurrent protection at re-combiner box and inverter levels, and is suited for continuous temperature and current cycling withstand. Low minimum breaking capacity of 1.35 times fuse-rated current value allows for safe circuit interruption under typical low-fault current conditions produced by PV arrays.
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