The ABB OTM80F4C12T380C is a 4‑pole automatic transfer switch (ATS) / motorized change‑over switch designed to automatically transfer electrical loads between two independent three‑phase AC power sources, such as utility mains and a backup generator. It ensures continuity of power in industrial, commercial, and critical infrastructure applications. The switch provides safe isolation between sources and can operate in both motorized automatic mode and manual mode via a handle. It is built to comply with international electrical standards and handle typical three‑phase power distribution requirements.