Key switch is a powerful switch, so it is a good choice for people. It is well used in many machines and provides a lot of convenience for enterprise production. What should we pay attention to when purchasing? Key switch manufacturers will take you to understand it.

1. Select the type of button for use occasion and specific purpose. For example, the button embedded on the operation panel can be open; Cursor type shall be selected to display the working status; Key operation is suitable for important sites that need to prevent personnel misoperation; Anticorrosive type shall be used where there is corrosive gas.

2. Select the number of buttons required by the control circuit. Such as single button, double button and triple button.

3. Select the color of the button according to the working status indication and working condition requirements. For example, the start button can be white, gray or black, preferably white or green. The emergency stop button shall be red. The stop button can be black, gray or white, preferably black or red.