The ABB CM-SRS.12S Current Monitoring Relay, model 1SVR730840R0300, is engineered for precision and reliability in industrial electrical systems. This lightweight yet robust relay, weighing just 5.92 ounces, is designed to monitor and protect by accurately measuring current levels and executing necessary control functions. It operates with a versatile control supply voltage range of 24 - 240 V AC/DC and features a 1 c/o (SPDT) output contact rated at 250 V / 4 A. The relay employs an RMS measuring principle suitable for both DC and AC currents, offering three measuring ranges: 0.3-1.5 A, 1-5 A, and 3-15 A. Configurable for overcurrent or undercurrent monitoring, it allows for adjustable hysteresis between 3 to 30% of the threshold value. The device is equipped with screw connection technology and double-chamber cage connection terminals, ensuring secure and efficient installation. For added security, a sealable transparent cover is available to prevent unauthorized adjustments. Ideal for professionals in need of a dependable and high-performance solution for electrical monitoring and control, this relay is a critical component in maintaining the safety and efficiency of industrial applications.