OTM100F4C21D380C_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 (ATS) / Motorized Change‑Over Switch Model OTM100F4C21D380C Series OTM_C21D (compact ATS with configurable logic) Number of Poles 4 poles (three phases + neutral) Rated Current 100 A Rated Operational Voltage (Ue) 380–415 V AC (three‑phase) Control / Motor Supply Voltage 380 V AC Rated Insulation Voltage (Ui) Typical low‑voltage system range (e.g., ~800–1000 V AC) Impulse Withstand Voltage (Uimp) Several kilovolts designed for low‑voltage switching environments Transition Type Open transition (break‑before‑make transfer) Operating Modes Automatic (motorized) and Manual (handle override) Mechanical Interlock Prevents simultaneous connection of both power sources Mounting Panel or enclosure installation Typical Applications Automatic switching between utility and backup power sources in industrial and commercial power systems

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DESCRIBE

The ABB OTM100F4C21D380C is a 4‑pole motorized automatic transfer switch (ATS) / change‑over switch designed for automatic and manual switching of electrical loads between two independent AC power sources, such as the utility mains and a backup generator, in three‑phase low‑voltage distribution systems. It is part of ABB’s OTM_C_D automatic transfer switch family, which provides reliable open‑transition power source transfer using a motorized operator and supports manual override via a handle.

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