... /1);200-270 (AS4777); 184-276(ENEL Guide line)Grid Frequency50Hz/60HzPower factor≥0.99(at nominal power)Output Current ... protection, DC isolation monitoring, DC monitoring,Grounding fault monitoring, Grid monitoring, Island protection, Short circuit protection, Over temperature protectionDisplay ... -2:3,EN61000-11:12Maintenance5 years,(10 years Optional) . Grid-tied Solar Inverter(1.5KW,2.2KW,3KW)