OTM100F4C20D380C_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 Automatic Transfer Switch (ATS) / Change‑Over Switch Model OTM100F4C20D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 100 A Rated Operational Voltage Low‑voltage three‑phase AC distribution (commonly 380–415 V AC) Control / Motor Supply Voltage 380 V AC Rated Insulation Voltage (Ui) Suitable for low‑voltage systems (typically ~800–1000 V AC class) Impulse Withstand Voltage (Uimp) Kilovolt range for typical surge resilience Transition Type Open transition (break‑before‑make) Operating Modes Automatic (motorized) and manual handle operation Mechanical Interlock Yes — prevents simultaneous source connection Mounting Panel or enclosure mount Typical Application Automatic load transfer between utility and backup power in industrial and commercial systems

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DESCRIBE

The ABB OTM100F4C20D380C is a 4‑pole motorized automatic transfer switch (ATS) / change‑over switch designed to automatically and manually transfer electrical loads between two independent AC power sources — typically the utility mains and a backup generator — in three‑phase low‑voltage power distribution systems. This compact, robust device incorporates a motorized operator for automatic switching based on control logic and also supports manual override via a handle for maintenance or emergency operation. A mechanical interlock ensures that both power sources can never be connected at the same time, protecting equipment and enhancing safety during source transitions. The model’s “20D” designation indicates integrated control logic suitable for standard automatic transfer applications without needing a separate external controller.

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