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ABB RET670 (Ver. 1.1) transformer protection IED, order code 1MRK002816-AB.
ABB RET670 transformer protection and control relay, order code 1MRK004816-AB.
ABB RET670 (Relion series) high-end transformer protection and control relay, order code 1MRK004816-CB, for 3-winding transformer single-breaker configurations. Differential protection, breaker control; IEC 61850, Modbus, DNP3, IEC 60870-5-103.
ABB REU610 voltage protection relay from the Relion 610 series for medium-voltage distribution applications. Provides over-voltage and under-voltage protection, supports IEC 61850, IEC 60870-5-103, Modbus, Profibus, DNP3, SPA and LON communication protocols.