The KBMC solid state controls provide infinitely variable speed control of Shaded Pole PSC and AC/DC motors. Solid state variable speed controls are designed to replace obsolete tapped windings chokes rheostats and other methods which are currently being used to obtain speed variations. The controls are available with an internal on/off line switch and are also available with an optional third lead which can be used to control auxiliary circuits such as relays and indicator lamps. A wall mounting kit is available which includes dial plate knob mounting strap hardware and instructions.