Eaton – EMR4-F500-2 – Phase Sequence Monitoring Relay 200-500 VAC, 2 C

The Eaton EMR4-F500-2 is a phase sequence and phase failure monitoring relay. It is engineered to monitor three-phase power supplies, detecting phase reversal or missing phases, and providing protection via two changeover contacts. It features adjustable delay timing (0.1–30 s) and robust LED diagnostics to indicate operational or fault states.