AOFD220NUB

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Pushbutton Switches

The AOFD220NUB is an extremely versatile pushbutton switch that offers many critical benefits to systems and machines. This switch is designed to control the operations of relays and pushbutton switches as well as provide an efficient interface for a variety of applications. This switch is composed of a single-pole and double-throw (SPDT) switch with a momentary switch within the framework. The AOFD220NUB is most widely used for operating at high amperage and is perfect for applications that require a high-power current, direct current as well as greater contact spacing.

Application Fields

The AOFD220NUB is not only a versatile switch, it is also suited for a number of different applications. The switch is commonly used to turn on and off objects and machines in industry, controlling ceiling fans, controlling engine accessories, switches for the speed and direction of motors, dimmers for lighting, safety shutoffs, and more. In addition, the AOFD220NUB can be used in many machine control systems in addition to conventional electrical-motor-driven equipment.

Working Principle

The AOFD220NUB works by use of a built-in spring-loaded plunger which when depressed, causes the switch to close the circuit. The switch is equipped with the device and accessories needed for remote or manual operation. When using a manual toggle switch, the switch will automatically return to its original position once the pressure is released from the plunger. When using the remote option, an external source is needed to flip the switch. This is normally done with a remote button or switch mounted somewhere in the system.

The current passing through the switch is handled by two internal components, a diaphragm disc, and a pair of contact points. The diaphragm disc regulates the current and is used to increase or reduce the amount of current passing through the switch. The pair of contact points are used to open or close the circuit. The contact points become worn down over their lifetime; however, they can be replaced.

In addition, the AOFD220NUB can also be equipped with an excluder spring, a version of a relay used to control the current of the switch. The excluder spring is used to prevent the contact points from opening unintentionally and can be used as a safety measure. In the event that an excessive amount of current is passing through the contact points, the excluder spring will be activated, causing the circuit to be broken and the switch to reset.

Conclusion

The AOFD220NUB is an extremely versatile and reliable switch that offers many benefits for a variety of applications. This switch is equipped with a single-pole and double-throw (SPDT) design, which is perfect for applications that require a high-power current, direct current as well as greater contact spacing. It is also equipped with a built-in plunger, a diaphragm disc, a pair of contact points, and an excluder spring, allowing the switch to be fit with a manual toggle switch or an external remote switch in order create a more efficient and secure system. The AOFD220NUB is the perfect choice for industrial operations and a reliable solution for any machine or system.

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