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OMD800E480C

The ABB OMD800E480C is an automatic transfer switch controller designed to manage the automatic switching of electrical loads between two independent power sources (such as utility mains and a standby generator) in low‑voltage three‑phase systems. It serves as the intelligence and logic module for an automatic transfer switch (ATS), working with ABB motorized change‑over switches to perform safe and reliable source transfers.

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Technical Parameters (English) Specification Typical Value / Description Product Type Automatic Transfer Switch (ATS) Controller Model / Series OMD800E480C Intended Use Control logic for automatic switching between two power sources Compatible With Motorized change‑over switches (e.g., ABB OTM series) Voltage Monitoring Two sources monitored (LN1 & LN2) Phases Supported Single‑phase or three‑phase sensing per monitoring channel Control Outputs Commands to change‑over switch motor and breaker coils Operating Modes Automatic, Manual, Test User Interface LCD display with keypad and LEDs Communication Supports Modbus RTU for configuration and monitoring Adjustable Timing Transfer and return delays, dead bands, test timing Generator Control Start/Stop output for generator interface Auxiliary I/O Digital inputs and outputs for alarms and interlocks Mounting Panel or DIN‑rail mounting Dimensions Approx. 170 mm length (controller chassis) Typical Applications Automatic source transfer for mains ↔ generator in industrial/commercial systems