OTM80E4C3D220C_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑over / Transfer Switch Model OTM80E4C3D220C Number of Poles 4 poles (three phases + neutral) Rated Operational Current ~80 A (nominal) Rated Operational Voltage Low‑voltage AC system (commonly up to ~690–1000 V AC) Rated Insulation Voltage (Ui) Up to typical low‑voltage system level Impulse Withstand Voltage (Uimp) Several kilovolts (surge capability for common environments) Control / Motor Supply Voltage ~220 V AC (indicated by suffix “220C”) Transition Type Open transition change‑over Operating Modes Motorized automatic and manual handle operation Safety Features Mechanical interlock to prevent simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic/remote load transfer between primary and backup sources in industrial and commercial power systems

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DESCRIBE

The ABB OTM80E4C3D220C is a 4‑pole motorized change‑over and transfer switch designed to transfer electrical loads between two independent AC power sources (for example, between utility mains and a backup generator) in three‑phase low‑voltage power systems. It belongs to ABB’s OTM series of motorized transfer switches, which are used to provide automatic and manual switching of power sources while ensuring safe isolation and continuity of service. The switch supports motorized automatic operation (when connected with an external control unit) as well as a manual override via a handle for local operation. Mechanical and electrical interlocks help prevent both power sources from being connected simultaneously, enhancing system safety.

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