Protective Relays and Monitoring Relays from RS Components, Ltd.


7757920 -- View Larger Image

The CM-MPN.x2 are multifunctional monitoring relays for three-phase mains. They monitor the phase,parameters phase sequence, phase failure, over and undervoltage and phase unbalance.The threshold,values for over- and undervoltage and phase unbalance are adjustable.
Monitoring of three-phase mains for phase sequence (can be switched off), phase failure, over- and undervoltage as well as phase unbalance. Automatic phase sequence correction configurable. Threshold values for phase unbalance, over- and undervoltage are adjustable as absolute values. Tripping delay can be adjusted or switched off by means of a logarithmic scale. ON-delayed or OFF-delayed tripping delay selectable. Powered by the measuring circuit. True RMS measuring principle. 1x2 or 2x1 c/o (SPDT) contact configurable. 3 LEDs for status indication
Monitoring Application = Phase, Voltage
Supply Voltage = 350 - 580 V ac
Contact Configuration = DPDT
Voltage Sensitivity = Overvoltage, Undervoltage
Electrical Phase = 3
Voltage Sensing Range = 350 - 580 V ac
Phase Sensitivity = Phase Failure, Phase Imbalance, Phase Sequence
Time Delay = 0.1 - 30 s, 0 s
Frequency Sensing Range = 45 - 65 Hz
Dimensions = 104.8 x 45 x 85.6 mm

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