The ____ is designed to measure the running load current of the motor, and open the contactor unit to stop the motor in the event the motor draws current levels that could cause damage from excessive heat.

A) overload unit
B) motor starter
C) magnetic starter
D) manual starter

Overload Unit

A device or component within an electrical system tasked with monitoring and protecting against excessive current flow, to prevent overload conditions.

Running Load Current

The current drawn by a motor or appliance during normal operation, under specific conditions or loads.

Contactor Unit

An electromechanical switch used for switching an electrical power circuit, similar to a relay but with higher capacity.