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Pushbutton Switches

Pushbutton switches are popular electromechanical controls used in a large variety of applications. They are designed to enable controlling either electrically-powered equipment or as indicating/warning devices. They are simple yet effective way of providing feedback, warnings, or indicators.

3.13001.1100000 Application Field and Working Principle

Pushbutton switches are versatile and can be used in many different industries and applications. This can include increasingly complex functions such as sequencing, latching and momentary operation. They find daily use in HVAC (heating, ventilation, and air conditioning) applications, medical systems, industrial controls and equipment, automobiles, and consumer electronics, such as remote-control devices.

The working principle behind the pushbutton is simple: When the button is pressed, the electrical contacts of the switch mechanism inside the body of the switch are opened or closed. This has the effect of opening or closing the circuit and thus controlling the electric current.

There are two common types of pushbutton switches: momentary or maintained contact. Momentary switches are designed to close only when the button is pressed and released instantly. Maintained-contact switches are designed to stay closed as long as the button is pressed, and open only when the button is released. These two options give users more control over how a particular circuit is managed and can be used to achieve specific electrical operations.

Pushbutton switches are also often used in emergency applications like fire alarms and fire extinguishers, as well as to control industrial machinery and large elevators. They play a major role in signaling systems, as they are reliable and safe to use, even when working under extreme conditions.

One of the advantages of using pushbutton switches is their affordable cost. Pushbuttons are inexpensive and long lasting, and they require little maintenance or upkeep. Since many of these switches have LED indicators, users can see the status of a particular system and can make quick adjustments as needed.

In addition, pushbutton switches require minimal setup and installation costs, which makes them an ideal choice for fields or places where short-term, cost-effective solutions are required. Moreover, these switches have low contact resistance and can work in both AC and DC applications. These features make them suitable for applications requiring extreme accuracy and precision.

Pushbutton switches are most commonly available in two sizes, which includes the standard-sized 22mm switches, and the mini-sized 16mm switches. The 22mm size switches are generally preferred for their wide operating temperature range and higher contact ratings. The 16mm size switches are preferred for their convenience in use and enhanced visibility.

In summary, pushbutton switches are popular and versatile user interfaces which provide efficient and reliable operation. They can be used to control a wide variety of equipment and can be implemented in a variety of different industries. From entry-level to high-end applications, pushbutton switches are suitable for almost any application, providing safety, and reliability.

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