... sine wave inverter 2.with transformer 3.high invert efficiency 4.warranty:3years 100kw on grid sine wave inverter ModelDSG-100K-TDC inputRated capacity (KW)100Max open circuit voltage ... islanding protection, Over Voltage, Under Voltage, Over frequency, Under frequency, Over voltage DC, Temperature anomaly , Under voltage DC, Over current ... -condensing)Altitude (m)≤5000 100kw on grid sine wave inverter