1SVR550800R9300

ABB CM-MSE Thermistor Motor Protection Relay, Part Number 1SVR550800R9300, an industrial motor protection device designed for monitoring motor winding temperatures in electrical control panels, motor control centers (MCC), industrial machinery and automation systems.

The ABB CM-MSE is designed to monitor temperature conditions through compatible PTC thermistor sensors or bimetal contacts. It provides direct motor temperature monitoring, helping protect motors against overheating caused by excessive loads, inadequate cooling or abnormal operating conditions.

This relay operates with a rated control supply voltage of 110–130V AC at 50/60 Hz and features one normally open output contact rated at 250V / 4A. It incorporates one sensor circuit and operates according to the closed-circuit principle.