What does a combination starter comprise?

A combination starter comprises both a disconnect switch and a motor starter, which is why the correct answer is that it includes both components.

The disconnect switch functions as a safety device, allowing the electrical circuit to be safely isolated from the power supply for maintenance and operation. This is crucial in ensuring the safety of personnel working on or near the equipment.

The motor starter, on the other hand, is responsible for controlling the power to the motor. It allows for the smooth starting and stopping of the motor, often incorporating overload protection to prevent damage due to excessive current draw.

When these two components are combined, they provide a compact solution that not only facilitates the control and protection of electric motors but also enhances safety through easy disconnection from the power source. This integrated design is particularly useful in industrial and commercial applications where space and efficiency are considerations.