CM-UFD.M33 Grid Feeding Monitoring Relay Data Sheet

This data sheet describes the CM-UFD.M33, a multifunctional grid feeding monitoring relay with Modbus RTU, designed to disconnect distributed generation from the public grid during faults or instability. It monitors voltage (over/under, 10-minute average), frequency (over/under), ROCOF, and vector shift, featuring adjustable thresholds, a backlit LCD display, and three control inputs/output relays.