The protector consists of a molded phenolic bass assembly containing three heaters and a Klixon snap-acting thermal disc with three contacts. The Klixon disc is the neutral point of the motor. Each heater is in series with one of the phase windings of the motor, as well as with one of the contacts on the thermal disc. When the disc snaps open because of overheating, the netural of the motor is open circuited, thereby shutting down the motor. - Provides protection against overheating from all running and stalled rotor conditions.