CM-UFD.M22 Grid Feeding Monitoring Relay Data Sheet

This data sheet describes the CM-UFD.M22(M) multifunctional grid feeding monitoring relay, which detects over/undervoltage, frequency changes, and ROCOF in accordance with CEI 0-21 to disconnect distributed generation from the public grid during faults or maintenance. It features redundant output relays, Modbus RTU communication (M22M model), a backlit LCD display, and configurable thresholds for single- and three-phase AC systems.