- A controller in the swap for precise synchronous calculation because of the microprocessor is needed for overlap switching between the industrial energy source and also the standby ability provide.B? chuy?n ??i ngu?n ATS Osung ???c s?n xu?t b?i th??ng hi?u Osung ??n t? Hàn Qu?c nay th??ng Hello?u OSUNG ???c chuy?n ??i thành th??ng hi?u OSEMCO