ABB 1SVR730660R0100 is the CM-IWS.1S insulation monitoring relay from ABB that monitors insulation resistance in 24–240 VAC or DC circuits and signals status through a single changeover output (1CO). It operates from a supply of 24–240 VAC/DC, measures insulation resistance in the 1–100 kΩ range, and draws about 35 mA of coil current at rated supply. This device provides a 1CO contact for interfacing with control logic or interlocks, enabling early fault detection in low-voltage electrical installations.
