The ABB CM-PVS.41S Three-Phase Monitoring Relay is engineered to provide superior voltage protection for your electrical systems. Operating within a range of 300-500 V AC, this compact device ensures the stability and efficiency of your equipment by precisely monitoring phase parameters such as over/undervoltage and phase failure. With adjustable threshold values and a selectable tripping delay from instantaneous to 30 seconds, it offers customizable protection tailored to your needs. The relay features a 2 c/o output with contacts rated at 250 V / 4 A, and includes phase sequence monitoring for comprehensive oversight. Its compact dimensions (4.05 x 3.35 x 0.85 inches) and lightweight design (4.56 ounces) make it easy to install in any industrial setting. The device is equipped with screw connection technology and double-chamber cage connection terminals for secure and reliable connections. For added security, a sealable transparent cover is available to prevent unauthorized adjustments. Trust in the quality and reliability of ABB to safeguard your operations with this essential monitoring solution.