What is an emergency stop switch?
An emergency stop switch is a safety mechanism used to shut down a machine in an emergency when it is not possible to shut down the machine in the usual way. The purpose of the emergency button is to stop the machine quickly when there is a risk of injury or when the work process needs to be stopped.

How many types of E-Stop switches?
According to the action mode of the actuator, the most common emergency stop switches are as follows. Pull to release: The actuator is pushed into the stop, released by pulling the actuator back. Twist to Release: Push the actuator into the stop and release by twisting the actuator. Key Release: The actuator is pushed into stop and can only be released with a key.