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ABB CM-UFD.M31 grid feeding monitoring relay

1SVR560730R3401

Characteristics

Monitoring of voltage and frequency in single- and three-phase mains (2-wire, 3-wire or 4-wire AC systems)
Third party certificate confirming accordance with VDE-AR-N 4105 and BDEW
Over- and undervoltage, 10-minutes average value as well as over- and underfrequency monitoring
Two-level threshold settings for over-/undervoltage and over-/underfrequency
ROCOF (rate of change of frequency) monitoring and vector shift detection configurable
Interrupted neutral detection
Default settings according to VDE-AR-N 4105 and BDEW
True RMS measuring principle
All threshold values and tripping delays adjustable
Error memory for up to 99 entries (incl. cause of error, measured value, relative timestamp)
Password setting protection
3 control inputs, e.g. for feedback signal, remote trip
3 c/o (SPDT) contacts
Multiline, backlit LCD display

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