Overload Relay Our provided Overload relay is used in high-powered devices like electric motors and incandescent light. Offered relay is featured with thermistor for sensing the temperature of the device. The provided relay efficiently protects the equipment from overload voltage and phase failure. This relay is a semiconductor device used to control circuits driven by small signals. The provided relay is also used in telegraph device as an amplifier. Under the strict vigilance of professionals, this really is precisely engineered using best grade components.