... Years Warranty PV Grid Tied InverterThe grid connected inverter can be used with a connection to grid ... to worry any power waste because, by connecting inverter to grid, it can save any surplus electricityFeatures: ... )Relative Humidity0¬100%(Do not wet with dew)Protection(Inverter) Input over-voltage, Output Short Circuit, Overheat, Overload ... ), Over/Under Voltage of Grid, Over/Under Frequency of Grid