OTM40F4C12T380C_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Specification Typical Value / Description Product Type Automatic Transfer Switch / Motorized Change‑Over Switch Model OTM40F4C12T380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current ~40 A nominal (Compact ATS class) (est.) Rated Operational Voltage ~380 … 415 V AC (three‑phase) Control / Motor Supply Voltage ~380 V AC (indicated by 380C suffix) Transition Type Open transition change‑over (standard) Operating Modes Automatic motorized operation and manual handle override Mechanical Interlock Yes — prevents both sources from being connected at the same time Mounting Panel or enclosure mount Typical Use Switching load between primary and backup power sources in industrial/commercial systems

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DESCRIBE

The ABB OTM40F4C12T380C 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 — for example, between the utility mains and a backup generator — with minimal interruption. It is part of ABB’s Compact Automatic Transfer Switches (OTM_C_D) family, which provides reliable and safe switching for critical power continuity applications in industrial and commercial electrical distribution systems. These switches offer both automatic (motorized) operation and manual operation via a direct handle in emergencies.

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