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Pushbutton switches are a type of electronic switch that is activated by pushing a button. There are two types of pushbutton switches: the momentary switch and the latching switch. Momentary switches are pressed to make contact and then released to break contact. Latching switches remain switched on until they are pressed again to break contact. Pushbutton switches have a wide range of applications across numerous industries, including automotive, robotics, medical, and aviation.

Pushbutton switches can be used in a variety of applications, ranging from basic to complex. Automotive applications range from turn-signal actuation and starter-motor activation to more sophisticated functions such as window control and central locking system activation. In robotics, they are used to control the motion of robots and to control precision movements. In medical applications, they are used to control patient beds, operating tables and other medical equipment. In aviation, they are used to control landing gear and other aircraft systems.

Pushbutton switches are most commonly actuated using mechanical force. In a momentary switch, the contacts are usually closed by pressing down on the plunger and released by releasing the pressure on the plunger. In a latching switch, the contacts are held closed when the plunger is pressed and released when the plunger is pressed again. However, in certain applications such as elevator controls and door locks, electro-mechanical or electronic actuation may be used instead of mechanical actuation.

Pushbutton switches are typically constructed out of plastic or metal. The contacts are either made of metal or are a printed circuit board with an embedded contact. They can be actuated with a simple manual switch, or they can be actuated remotely with a wireless receiver. Modern pushbutton switches are available with various features such as LED indication, lockout functions, and multiple contact configurations.

Pushbutton switches are reliable, durable and easy to use. Their wide range of applications, ease of use and affordability make them a common choice for many applications. They are also easy to repair and maintain and have a long life span. Pushbutton switches are used in a number of applications, from basic and simple to sophisticated, making them a versatile and useful device.