The CM-MPN.52S Is A Multifunctional Relay From The CM Three-Phase Monitors Range. It Operates With A Rated Control Supply Voltage / Three-Phase Measuring Voltage Of 350-580 V AC 50/60 Hz And Has A 2 C/O (SPDT) Output With Contacts Rated At 250 V / 4 A. This Relay Monitors All Phase Parameters Such As Over/Undervoltage, Phase Unbalance And Phase Failure. The Corresponding Threshold Values Are Adjustable. The CM-MPN.52S Also Offers Selection Of Phase Sequence Monitoring, Automatic Phase Sequence Correction As Well As An ON Or OFF Tripping Delay. The Output Contacts Can Be Configured As 1×2 C/O (SPDT) Contacts (Common Signal) Or 2×1 C/O (SPDT) Contact (Separate Signal For Over- And Undervoltage Thresholds) Operation. The Tripping Delay Is Adjustable Over A Range Of Instantaneous To 30 S (0, 0.1-30 S). A Sealable Transparent Cover For Protection Against Unauthorized Changes Is Available As Accessory. The Device Offers Screw Connection Technology With Double-Chamber Cage Connection Terminals.

• · Three-Phase Monitoring Relay