Operating Voltage:220V. Please ensure your home voltage is stable,because the working voltage can not lower than 190V,or the ATS will not work.
Working principle:when the main power off, it can automatic transfer to generator (generator should be on),when the main power is restored,it will transfer to main power
This Type ATS is for City Electricity or generator,please do not use an inverter as a backup power source.
This ATS is PC Type,which means It does not have overload and short circuit protection functions,its executive component is an isolation switch,its driving component is an electromagnetic coil, with fast transfer speed