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Current and Voltage Monitoring Relays, Single-Phase
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Current and Voltage Monitoring Relays, Single-Phase
Current monitoring, single-phase
The ABB current monitoring relays CM-SRS.xx reliably monitor the occurence of currents that exceed or fall below the selected threshold value. The functions overcurrent or undercurrent monitoring can be preselected. Single- and multifunction devices for the monitoring of direct or alternating currents from 3 mA to 15 A are available.
Current window monitoring (Imin, Imax)
The window monitoring relay CM-SFS.2x is available if the application requires the simultaneous monitoring of over- and undercurrents.
Voltage monitoring, single-phase
The ABB voltage monitoring relays CM-SRS.xx are used to monitor direct and alternating voltages within a range of 3-600 V. Over- or undervoltage detection can be preselected.
Voltage window monitoring (Umin, Umax)
For the simultaneous detection of over- and undervoltages, the window monitoring relay CM-EFS.2 can be used.
 Download the Electronic Products and Relays catalog in *.pdf format
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