ATS panels are used to automatically transfer the main source to standby generators on failure of the main source/supply. ATS panel can be contactor, circuit breaker or motorized change-over switch type from 100A to 4000A, 3 or 4 pole, depends on the requirements, assembled either in Prisma plus P type tested enclosure or universal enclosure. Provided by electrical and mechanical interlocking device, and bypass isolation switches.