... reverse polarity, AC short-circuit protection, ground fault monitoring, grid monitoring, integrate all-pole sensitive, leakage current monitoring unit ... 200~250V 200~250V 200~250V 200~250V Rated Grid Frequency 50Hz/60Hz 50Hz/60Hz 50Hz/60Hz 50Hz/ ... 60Hz 50Hz/60HzGrid Frequency Range 40.1~50.9Hz Grid Current THD < 3% (at nominal power)AC ... .2kg 21kg21kg Growatt 1500W 2000W 3000W 5000W Solar Inverter