Which description best characterizes the two types of push button operators in motor controls?

The correct characterization of the two types of push button operators in motor controls is momentary and maintained. Momentary push buttons only remain in their active state while being pressed, and they return to their original position when released. This is commonly used for situations requiring temporary activation, such as starting a motor for a brief duration. In contrast, maintained push buttons keep their activated state even after being released and will require a second action to deactivate. This type is useful for functions that need to stay engaged until the user decides to turn them off, such as lighting or machinery controls.

The distinction between momentary and maintained is crucial for understanding how different push buttons interact within electrical circuits and motor control systems. It also influences how operators engage with the machinery, directly impacting the safety and efficiency of operations.