NCCER Millwright Mastery 2025 – Gear Up for Your Mechanical Marvel Journey!

Question: 1 / 400

What is the primary function of a motor starter in machinery?

To regulate the machine's temperature

To start and stop electric motors safely

The primary function of a motor starter is to start and stop electric motors safely. Motor starters are designed to provide a controlled and safe means of power to the motor. They accomplish this by utilizing contactors or relays to energize the motor circuit while protecting against conditions such as overloads, short circuits, and phase loss.

Motor starters often include features such as overload relays, which help to prevent damage to the motor by shutting off power if the motor draws excessive current for an extended period. This ensures not only the safety of the motor itself but also contributes to the overall safety of the machinery and personnel involved.

In summary, while some of the other options mention important aspects of machinery operation, they do not capture the core purpose of a motor starter, which specifically focuses on the safe initiation and cessation of motor function.

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To monitor the machine's performance

To increase the torque output

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