What is a common feature of a motor starter?

A common feature of a motor starter is its ability to provide a safe means to start and stop the motor. This function is crucial in controlling the operation of electric motors, allowing for smooth engagement and disengagement of the motor during operation. The starter ensures that the motor is energized under safe conditions and can effectively interrupt power to the motor when needed, thereby protecting both the motor itself and the electrical system from potential damage due to overloads or faults.

Motor starters often include built-in protective elements such as overload relays, which help prevent damage from excessive current, and contactors, which enable the electrical connection to the motor to be made or broken reliably. This functionality is essential for both operational safety and the longevity of the motor, as it reduces the risk of wear and tear associated with improper starting or stopping procedures.

In contrast, features such as improving motor efficiency, adjusting voltage supply, or solely protecting against electrical noise do not embody the primary role of a motor starter, which is fundamentally about managing the motor's operation safely.