... Current6.8ARated Grid Voltage230VACGrid Voltage rangeAC 185~264V (1 phase)Normal Grid Frequency50/60Hz(Grid frequency)Phases1 phase ... -islanding, over/under voltage of grid, over/under frequency of grid. EnvironmentEnvironmentNo corrosion gas, flammable gas ... 1, EN61558-2-17,EN50178, EN61000-1,CertificationsCE, VDE0126-1, AS4777, AS3100, G83/1, G59. ISO9001:2000 Hydro turbine grid tie inverter 1.5kw