Automatic Transfer Switch, or ATS, also known as Automatic Transfer Switch Control Panel. Inside a standard Transfer Switch is the BTS / Basic Transfer Switch, ATS Controller, Transformer Module, Harness. There are indoor and outdoor, two types of enclosures available for the ATS / Automatic Transfer Switch. The KUTAI ATS / Automatic Transfer Switch assembling and maintenance is very easy and convenient. Here are some ways to assemble ATS.