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Pushbutton Switches

Pushbutton switches are one of the most common switch applications found in a modern building. Pushbutton switches are used to activate electrical equipment or control a device, like a light or a door. Pushbutton switches generally come in two different types, momentary or latching. Momentary pushbutton switches are typically used with control systems to control the electrically operated devices in industrial and home applications. They are usually used to activate relays or other signaling devices that control machinery or other equipment.

1241.6824.1114000 Application Fields

Pushbutton switches are commonly used in many different industrial and commercial applications. They are used to control operations such as process control, data entry, industrial automation, and many other activities that require a switch operation. Pushbutton switches can also be used in door-locking mechanisms and other access control systems. Additionally, they are also used to energize relay coils, which are essential component in simple control systems.

Working Principle

The working principle of a pushbutton switch is simple. When the button is pressed, the internal contacts open, interrupting the current that is flowing through the switch. When the button is released, the contacts close, allowing the current to flow again. This is true regardless of the type of pushbutton switch. Momentary pushbutton switches typically have no latches, so when the button is pressed, the contacts close as soon as the user releases the button. This is useful for short activation periods.

Latching pushbutton switches are different in that a latch is involved. When the switch is pressed, the internal contacts close. When the button is released, the contacts remain closed unless the switch is pressed again. This design allows the current to stay on until the user presses the switch again.

Summary

Pushbutton switches are an incredibly versatile switch application found in many industrial and home applications. They come in two popular types, momentary and latching, and can be used to control operations, energize relay coils, and control access. The working principle of a pushbutton switch is simple. When the button is pressed, the internal contacts open, interrupting the current that is flowing through the switch. When the button is released, the contacts close, allowing the current to flow again.

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