... Mitsubishi IGBT modules, to enhance system reliability.3)Maximum Power Point Tracking technology(MPPT),MPPT Max. Efficiency>99%.4 ... wave output, automatically synchronized with the grid tracking, power factor close to 1.9)Fed into the grid ... 90% no condensingProtectionInput short voltage,over voltage,connecting contrary,output over current,short circuit,over heat etc.Cooling methodNatural coolingNoise( ...