The Motor Winding Temperature Relay is designed to monitor the temperature of the motor winding. It uses a PTC thermistor and thermostat operation to detect any faults. The relay has a memory function and can be reset manually or remotely. It has 2 changeover contacts with a rating of 8 A and a supply voltage range of 24-240 VAC/DC. The relay is compact, with a width of only 17.5 mm per module.