... installation easier. They are the ideal inverters for small PV plants, or individually for small houses, both indoors and ... protection, DC isolation monitoring, DC monitoring,Grounding fault monitoring, Grid monitoring, Island protection, Short circuit protection, Over temperature protectionDisplay ... :3,EN61000-11:12Maintenance5 years,(10 years Optional) . Grid-tied Solar Inverter(1.5KW,2.2KW,3KW)