A button switch is a switch that uses a button to push the transmission mechanism to make the moving and static contacts open or disconnect and realize the switch of the circuit. Button switch is a kind of main electric appliance with simple structure and wide application. In the electric automatic control circuit, it is used to hand out control signals to control the contactor, relay, electromagnetic starter and so on.
Different button switches have colorful colors. What are the meanings of these colors, respectively? Today, I will give you a brief introduction to the meanings of buttons in different colors.
The definition of button switch color:
Red: it represents an emergency. Operation at risk or emergency.
Yellow: representing abnormality. Operation when abnormal situation.
Green: it represents normal. Start the operation in normal condition.
Blue: it represents compulsion. It is required to operate under forced action.
White, gray, black: not given a specific meaning. The start of the general function except the emergency.