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Pushbutton switches are used for controlling and automating various functions in many applications. These types of switches are designed for use in a wide variety of applications, ranging from industrial equipment and consumer applications to medical instruments. These switches come in a variety of shapes, sizes and designs, with each type being optimized for a certain application field and working principle.

The mechanics of a pushbutton switch varies from type to type, but the common denominator is that it only allows current to move through the circuit when an internal contact is made. Depending on the type, the contact may be achieved in different ways.For instance, some pushbutton switches have a snap-action spring inside, which when pushed and released will create a virtual circuit.

In addition to the spring-based type of contacts, there are also the more reliable, contact-less pushbutton switches. These types of switches use a micro-switch or a Hall Effect-based sensor to recognize when the switch has been pushed. This approach leads to greater reliability and a much longer lifespan for the switch.

In terms of application fields, pushbutton switches are used for applications in the automotive, aerospace, gaming, industrial machinery and health-care sectors. Common examples include door locks, safety switches, control panels, light switches and even joysticks. Some industrial applications that require larger button sizes and heavy-duty construction may use push-pull switches instead of push buttons.

Finally, there is the everlasting reliability of pushbutton switches. Unlike other types of switches, their design and construction allows them to stand up well under harsh environmental conditions. This is especially important in outdoor applications, such as pushbutton door locks or control panels.

In conclusion, pushbutton switches offer reliable performance in a wide variety of applications. With its easy usage, wide variety of shapes, sizes and designs and its reliable mechanics, it is easy to understand why these types of switches have been around for such a long time. The most important thing to consider when choosing a pushbutton switch is to make sure that the application field it is being used in is the one that best suits the type of switch and its operating principle.

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