AV1920E312Q04

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Pushbutton Switches are widely used in the electronic and electrical industries to initiate an action in a system, usually providing a momentary connection between an electrical circuit. The use of pushbutton switches is virtually limitless - they can be used in alarm systems, appliances, toys, locking systems, doorbells and any other application which requires a controlling switch in which the user has the ability to actively initiate a process. The AV1920E312Q04 is one such switch and its application fields and working principles are described in this paper.

Application Fields

The AV1920E312Q04 pushbutton switch is primarily used in industrial and military applications. It is a double pole, single throw (DPST) switch that offers up to 5 million operations and provides operating current up to 500mA at 48V. Its main applications include industrial and military automation and control, power switching, communications, lighting and audio-visual equipment. Its high reliability and contact force make it suitable for demanding applications where on-off or make/break circuits are required. It is also suitable for use in both dc and ac circuits.

Working Principle

The AV1920E312Q04 works by using two sets of metal contacts that move against each other when the switch is actuated. When the switch is in the off position, the two contacts maintain a physical barrier between the two circuits, preventing current flow. When the switch is in the on position, the metal contacts are forced together, creating a physical connection between the two circuits and allowing current to flow freely.

The force required to move the metal contacts is determined by the preloaded spring pressure and is adjustable, allowing for precise control of the force required to make or break the connection. This ensures that the switch can support the necessary current draw for any application.

Conclusion

The AV1920E312Q04 pushbutton switch is ideal for many industrial applications and is designed to withstand harsh environments. It offers high reliability, a long life expectancy, and can be adjusted to support a maximum load of up to 500mA at 48V. The switch has a wide range of applications in both industrial and military automation and control, power switching, communications, lighting and audio-visual equipment, and is suitable for use in both DC and AC circuits.

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