The ABB 1SVR730841R0400 CM-SRS.21S is a high-performance current monitoring relay designed for precise supervision of electrical circuits. This monitor relay ensures reliable operation and protection for your electrical systems by detecting overcurrent, undercurrent, window current, and phase loss conditions. Ideal for industrial applications, the ABB CM-SRS.21S features a robust design and easy integration into various control systems. With its specific item number 1SVR730841R0400 and UPC 804325584227, this product is a dependable choice for maintaining system efficiency and safety.