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    Push Button Switches

    A push button is a simple type of switch that controls the action in a machine or some type of process. Most of the time, the buttons are plastic or metal. The shape of the push button may conform to fingers or hands for easy use, or they may simply be flat. You can learn more in our complete guide to push button switches.

    RS offer an extensive range of high-quality Push Button switches from industry-leading brands including APEM, EAO, TE Connectivity, Schurter, Saia-Burgess, and of course RS PRO.

    Push Button Switch Operation

    Push button switches typically have two key parts, an actuator, and a set of contacts. The actuator will go all the way through the switch and into a thin cylinder at the bottom. Inside is a movable contact and spring. When the actuator is pressed, it touches with the stationary contacts, causing the action to take place.

    Push buttons are available with normally open N/O or normally closed N/C contacts that change state when the actuator is operated. Momentary push button switches require the user to keep holding the button for an action to take place, this action is then reset once the button is released. Latching push buttons keep the switch in the set contact state until the button is pressed again. Contact arrangements include SPST, SPST, DPST, and DPDT.

    Push Button Types

    Switches come in a range of mounting options including panel mount, snap-in, and PCB mount. We also offer Non-illuminated as well as illuminated options. For tough environments switches with an IP rating are ideal, vandal-resistant IP67 switches are a popular choice.

    Push Button Switch Uses

    Push button switches are popular in a variety of different applications, including calculators, push button phones, and many home appliances. You can find them in the home, the office, and in industrial applications. They can turn machines on and off, or cause the devices to perform specific actions, as is the case with calculators. In some cases, specifically for commercial and industrial usage, the buttons can connect through a mechanical linkage, which means that pushing one button can cause another button to release.

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