A22AW

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A22AW is from the family of toggle switches that are designed for door and window openings. They are automatic actuators with built in sensors. These switches can detect the presence of an object without any physical contact. A22AW switches are equipped with an independent adjustment switch for each contact (normally open (NO) and normally closed (NC) contacts).

The A22AW switch has two main applications. The first application is in intrusion detection, where the switch can be used to detect whether a door or window is opened or closed. The second application is in access control, where the switch can be used to detect certain objects, such as barcode tags, and trigger an appropriate action.

The working principle of the A22AW switch is based on the concept of resonant frequency. The switch contains two piezoelectric plates which are separated by a gap. When an object passes through the gap, the plates vibrate at the same frequency as the object, and the switch senses this frequency. When the frequency of an object matches the frequency of the switch, the switch will then be triggered and the corresponding output contact is activated.

Because of its simple and reliable design, the A22AW switch is widely used in a variety of applications. It is particularly useful for applications where access control needs to be carried out with minimal disruption. The switch is also designed to be robust and reliable in order to withstand harsh environments and conditions.

The A22AW switch can be used in both single and multi-channel applications. In the single channel application, each switch can be used to control a single contact, such as a door or window. In the multi-channel application, multiple switches can be connected together to control multiple contacts.

In addition, the A22AW switch can also be used in conjunction with a contactless reader such as an RFID reader or an optical scanner. This allows the switch to detect certain objects and trigger predetermined actions. The A22AW switch is also suitable for integration into access control systems such as ID cards or biometric readers.

Overall, the A22AW switch is a reliable and cost-effective solution for a variety of applications, both residential and commercial. Its simple design and ease of installation make it an ideal choice for door and window control.

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