Motor control center power is distributed throughout a commercial or industrial application
is used for a variety of applications such as heating, cooling, lighting, and motor-driven
machinery. Unlike other types of power distribution equipment, which are used with a variety
of load types, motor control centers primarily control the distribution of power to electric
motors.
The most basic type of AC motor control involves turning the motor on or off. This is often
accomplished using a motor starter made up of a contactor and an overload relay.