ABB 1SVR560730R3400

CM-UFD.M22

CM-UFD.M22 Grid feeding monitoring relay 3c/o,L-L= 0-540VAC,L-N=0-312VAC

Описание

The CM-UFD.M22 is a multifunctional grid feeding monitoring relay. It, provides different monitoring functions in accordance with CEI 0-21 to detect over- and undervoltage (10-minutes average value, voltage increase and, decrease protection) as well as any changes in grid frequency (frequency increase and decrease protection). Additionaly, monitoring of ROCOF (rate of change of frequency) can be configured.