Under-voltage and overvoltage protection relay
REU610 IEC ABB Oy Distribution Automation

Relion® REU610 is a voltage IED for system voltage protection, measuring and supervising in utility and industrial power systems. As a part of the 610 series IEDs REU610 is certificated for marine and off-shore use by Det Norske Veritas (DNV). REU610

- fits for distribution substation busbar overvoltage and undervoltage protection
- suits also for feeder and power transformer overvoltage protection, motor undervoltage protection, and capacitor bank protection and supervision
- supports initializing automatic substation busbar changeover and disconnecting small power units from the public network (islanding)
- supports IEC 61850, IEC 60870-5-103, Modbus®, Profibus, DNP3, SPA and LON


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