The purpose of the M contact shown in the circuit is to:
A)open the circuit in the case of a motor overload.
B)start the motor from a remote location.
C)keep the starter coil energized when the start button is released.
D)keep the starter coil de-energized when the start button is released.

Question

The purpose of the M contact shown in the circuit is to: 
A)open the circuit in the case of a motor overload. 
B)start the motor from a remote location. 
C)keep the starter coil energized when the start button is released. 
D)keep the starter coil de-energized when the start button is released.

Quizplus · Accepted Answer

The M contact is a holding contact that keeps the starter coil energized even after the start button is released. This allows the motor to continue running without the need for the button to be held down continuously.

The Purpose of the M Contact Shown in the Circuit