OTM63F4C21D380C_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 / Automatic Transfer Switch Model OTM63F4C21D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 63 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

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DESCRIBE

The ABB OTM63F4C21D380C is a 4‑pole motorized change‑over and automatic transfer switch (ATS) designed to automatically transfer electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase low-voltage distribution systems. It provides both motorized automatic operation and manual override via a handle. Mechanical interlocks ensure safe isolation of the two power sources, preventing simultaneous connection. This switch is suitable for industrial and commercial installations where reliable power continuity is required.

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