solar energy,solar product,solar system,SG30K3 is using low-frequency isolation transformer for protection purpose for outdoor. solar energy,solar product,solar ... EN61000-6-2, EN61000-6-3, EN61000-6-4,EN61000-3-2, EN61000-3-3, EN60164-1-1,EN55022, EN50178Technical ... OutputOutput Power30kWOperating Voltage310~450VacOperating Frequency50Hz/60HzCurrent THD< 3%(at nominal power)Power Factor~1(at nominal ...