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Pushbutton switches are a type of electrical switch used in almost every electrical application. These switches are typically used to control the flow of electricity in a circuit, providing on and off control for a circuit\'s performance. Pushbutton switches have been around in one form or another for many years, and as technology has progressed, so too have the number of pushbutton switches available.

At its basic level, a pushbutton switch consists of an actuator and a set of contacts. The actuator, typically a flat button, is used to depress the contacts, which are normally in an open (off) position. When the actuator is pressed and released, the contacts close (on), thus allowing current to flow through the circuit. Pushbutton switches also offer options for latching applications, where the contacts stay in either the open or closed position after being pushed, until being reset by another push.

Pushbutton switches come in a variety of shapes, sizes, types and ratings. For commercial applications, basic on/off switches are normally suffice; whereas, industrial applications may require specialized models such as weatherproof, vandal-resistant, illuminated or pre-wired. There are also varieties of pushbutton switches designed to operate under extreme environmental conditions such as heat, cold and hazardous/explosive environments.

The application fields for pushbutton switches are vast, ranging from control panels to medical equipment. No matter the industry, application or type of switch, the basic principle of operation is the same; a flat surface activated by a finger, hand or remote push. Most pushbutton switches operate manually, as they can easily and quickly be used by operators who need to switch electrical circuits quickly and reliably.

In summary, pushbutton switches are useful and versatile push-type controls that provide many advantages to any electrical application. The cost of installation and maintenance is low, and these switch types require little energy to operate, which makes them more energy efficient than other switch types. Furthermore, their durability and wide range of options give them the ability to last for a very long time if properly used and maintained.

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