... reverse polarity, AC short-circuit protection, ground fault monitoring, grid monitoring, integrate all-pole sensitive, leakage current monitoring unit.> ... AC voltage range 220V/230V/240V180 V – 280 V AC grid frequency range50 Hz, 60 Hz / ± 5 HzPhase shift ( ... ApprovalsVDE0126-1-1,IEC62109,RD1663,G83EN61000-6-1,EN61000-6-2 ,EN61000-6-3,EN61000-6-4AS4777, AS/NZS 3100 Growatt 3600MTL grid tied inverter