This Harmony Rm22Tr Control Relay Allows Monitoring Of Voltage Control In 3-Phase Networks. This Modular 3-Phase Control Relay Is Ideal For Monitoring Of Electrical Values And Voltage Variation In Industrial And Building Control Panels. It Applies To A Wide Type Of Industrial Automation Applications Such As Hoisting, Packaging, Lifts, Textile, Water. It Has One Of Market Slim Form-Factors With 22.5Mm Width, Allowing For A Flexible And Easy Installation On Din Rail, Using The Same Space As Any Modular 1-Pole Din Device. It Also Offers A Selectable Memory Function, Integral Led For Indicating Control Status, Sealable Cover, With Simple And Precise Settings With Screw Trimmers. It Provides Automatic Shutdown Management And Fault Information To User For A Quick Fault Identification And Troubleshooting. Multi Function Controller For Wide Choice Selected In Hard-Wired Logic Automated Systems, Ideal For Refurbishment Of Old Installations Without Using A Plc.