MERSEN HP6M, HP10M, and HP6J Helio Protection fuses are among the first UL 2579 listed range of dedicated photovoltaic fuses. Devices provide overcurrent protection at the combiner box and inverter levels and covers applications ranging from 1 to 400A, 600Vdc, and 1000Vdc. ProductÕs construction withstands temperature and current cycling, adding to system longevity. Low minimum breaking capacity capabilities of 1.35 times the fuse-rated current value allows for safe circuit interruption under typical low-fault current conditions produced by PV arrays.
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