Every electric motor must have a(n) ____.

A) contactor
B) controller
C) overload unit
D) disposal

Electric Motor

A device that converts electrical energy into mechanical energy.

Contactor

A contactor is an electrically controlled switch used for switching an electrical power circuit, typically in industrial applications to control motors and other heavy loads.

Overload Unit

A component in motor starters that protects motors from damage by interrupting power in case of an overload.