HC18/8AM series Motor thermal protector temperature sensor switch are overheat protection components with over temperature protection and precise control of current overload at the same time. It can effectively prevent the damage of high-power motors, transformers, etc. due to excessive current and high temperature.[Model]: hc18 / 8am[Temperature]: 80 ℃ - 180 ℃[Characteristics]: large electrical capacity, long life and high reliability; Very accurate trip time to prevent the motor temperature from being too high; It has the dual function of sensing current and temperature