... 4kW8KW9.6KW12KW16KW Input Voltage Range220V or 110V+-20% Frequency50/60Hz±5% PhaseSingle phase + GND Output Voltage Range220VAC ±1 ... automatically, Switch protect Overload CapacityOverload 125% for 10 Mins, 125%-150% for 30s .automatically resume when load becomenormal ... LCDInput,oupt,battery voltage,frequency,load rate,UPS state, temperature LEDMain input , bypass,Inverter,Battery,Over load,Fault ...