ATS diagram for maximum currents of 800–6300 A, 2 inputs and 1 category-I load, with galvanic isolation (separated earth bars)

ATS diagram for maximum currents of 800–6300 A, 2 inputs and 1 category-I load, with galvanic isolation (separated earth bars)

The power switching devices are Emax series circuit breakers, frames Е1–Е4 and Е6 (ABB), with a geared motor to charge the closing springs, control from БУАВР.КИ.220.220, interlocking against transfer between inputs during an overload or short circuit in the load, UPS-backed control power, and automatic or manual ATS operation