Touchless Lift button / 24V AL-27-24V

Touchless Lift button / 24V

PDF  Datasheet / Installation diagrams

Touchless lift button AL-27-24V operates from a 24V DC power source and provides a simple digital output (dry contact closure) when an object is detected in front of the button.

The button sensor works through most materials and is resistant to dirt deposits on the surface of the sensor, such as dust and grease. It can reliably detect a hand or a finger even through clothing.

Unlike optical (IR) touchless buttons, AL-27 uses patent-pending capacitive sensing technology and is completely unaffected by ambient light or reflective surface, which can false-trigger optical sensors. It is also unaffected by the object color, which gives inconsistent triggering with IR (such as black gloves)

It is primarily designed to be used as an lift button and it uses proprietary sensor technology for reliable detection of objects while maintaining a large sensing range and strong EMI noise immunity.

The button features a stainless steel front plate and is designed to be indistinguishable from regular mechanical lift buttons. This makes it perfect for the direct replacement of existing buttons while maintaining the same aesthetics and mechanical strength.

In addition to touchless operation, the AL 27 button offers a fallback to mechanical operation if needed. By disabling the electronics inside of the button, it can operate as a regular mechanical button.

In case of power failure, it automatically falls back to mechanical operation.

Input: 24Vdc
Mounting method: Plastic nut
Mount cutout diameter: 1.06" (27 mm)
  - Dry (isolated) Relay contact, Momentary, Normally Open (NO) (touchless mode)
  - Mechanical push button, Normally Open (NO) (mechanical mode)
Detection range: 1.2"

(See datasheet for more information)

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