1.100kw on grid sine wave inverter 2.with transformer 3.high invert efficiency 4.warranty:3years 100kw on grid sine wave inverter ModelDSG-100K-TDC inputRated capacity ... Voltage, Over frequency, Under frequency, Over voltage DC, Temperature anomaly , Under voltage DC, Over current AC, Over current CDCEnvironmentNoise(dB,1m)≤50Working Temperature ...