China Generator Electrical ATS Controller 63A 80A 100A 125A 160A 250A 400A 630A 800A 1000A 1250A 1600A 2000A 2500A 3200A Genset Automatic Transfer Switch, Find details about China Changeover Switch, Electrical Switch from Generator Electrical ATS Controller 63A 80A 100A 125A 160A 250A 400A 630A 800A 1000A 1250A 1600A 2000A 2500A 3200A Genset Automatic Transfer Switch