Inverter is integrated with following inputs or functionalling 

DC Polarity Reverse Connection Protection,

AC Output Overcurrent Protection,

Thermal Protection,

AC Output Overvoltage Protection,

AC Output Short

Circuit Protection,

DC Component Monitoring,

Overvoltage Load Drop Protection,

Ground Fault Current Monitoring, Arc Fault Circuit Interrupter (optional),

Power Network Monitoring, Island Protection Monitoring, Earth Fault Detection,

DC Input Switch, DC Terminal Insulation Impedance Monitoring, Residual Current (RCD)

Detection, Surge protection level.