OTM200E4C10D380C_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 / Change‑Over Switch Model OTM200E4C10D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 200 A Rated Operational Voltage Designed for three‑phase low‑voltage systems (typically up to ~690 V AC) Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts (device withstands typical surge conditions) Control / Motor Supply Voltage 380 V AC (indicated by 380C suffix) Transition Type Open transition change‑over Operating Modes Automatic (motorized) and Manual (handle) Mechanical Interlock Yes — prevents simultaneous connection of both sources Mounting Panel or enclosure mount Typical Application Automatic load transfer between utility mains and backup gensets in industrial and commercial power systems

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DESCRIBE

The ABB OTM200E4C10D380C is a 4‑pole motorized automatic transfer switch (ATS) / change‑over switch designed to transfer electrical loads between two independent AC power sources, such as utility mains and a standby generator, in three‑phase low‑voltage distribution systems. It belongs to ABB’s OTM series of motorized change‑over switches, which provide safe and reliable automatic switching via a motor operator and also support manual override via a handle. The switch incorporates mechanical interlocks to prevent both power sources from being connected simultaneously, ensuring safety during transfer operations. This type of device is commonly used in industrial, commercial, and critical power applications where continuity of power is essential.

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