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Push button is an electrical switching component, also known as a push-type switch, used in an electrical circuit. When the user presses the button, the circuit connection either opens or closes. This is the direct answer to the question: What is a push button? Push buttons typically consist of a button body, a pressing cap, and an internal switch mechanism. When the button is pressed, the cap is pushed downward and changes the contact state of the internal switch.
The 4-pin push button is one of the common push button types. A push button has two main states: on and off. When pressed, the switch mechanism brings the circuit to the on state, allowing current to flow. When released, the mechanism returns to the off state, cutting off the current. Push buttons are widely used in many electronic and electrical applications, such as control panels, automation systems, robotics, household appliances, and industrial equipment. They provide a simple and user-friendly interface for starting, stopping, or activating specific functions. In electrical circuits, push buttons are often used together with other components such as resistors, transistors, microcontrollers, and relays. They can serve various purposes, such as opening or closing a circuit, triggering inputs, or initiating and stopping operations.
4-Pin Push Button Dimensions: