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Push-button Smart 55


The MDT Push-button Smart 55 releases KNX telegrams depending on the paramerization after pressing the buttons. The RGBW status LEDs can be controlled with internal or external objects. The LED brightness is controllable via day / night or brightness object. In addition to switching, dimming, blinds, scenes or sending values, a lot more functions are available. The Push-button Smart 55 has 4 integrated logic blocks.

  • Feature: Push Button
  • Colour: Pure white gloss
  • Functional Areas: 4-fold
  • Status Display: Yes
  • Colour Display: Yes
  • Digital Labeling: Yes
  • Humidity Sensor: No, Yes
  • Assortment: 55 mm

Product features

  • Fits 55 mm systems / ranges
  • Active color display for function and status indication
  • Adjustable background color of the display (white or black)
  • Automatic display brightness via light sensor and day / night object
  • Visualization of indoor / outdoor temperature and time
  • With temperature / humidity sensor for room temperature measurement (only BE-TAS55T4.01)
  • Additional functions for temperature setting and operation mode (only BE-TAS55T4.01)
  • New multi-touch function, sends up to 4 values / DPTs on the same or different objects
  • Innovative group control with long / extra long button press
  • 1 and 2 button operation for switching, dimming, shutters, values
  • Symbols and plain text adjustable for each button / function
  • Short / long button push and 2 objects
  • Installation in an installation box with included support ring
  • Recommended installation height: 1.05 - 1.20 m
  • No additional power supply required
  • Integrated bus coupling unit
  • Production in Germany certified according to ISO 9001
  • 3 year warranty

Available Variants of this series:



    • Humidity Sensor: Yes


    Productdatabase ETS5/6
    From ETS5.7x
    V1.1a knxprod
    Device Configuration App (DCA) ETS5/6
    to upload icons / update
    V3.6 etsapp
    Datasheet pdf
    Assembly and operational instructions pdf
    Technical manual pdf
    Tender textsLink

    Productdatabase ETS5/6
    From ETS5.7x

    Version: V1.1a
    Download: knxprod


    Device Configuration App (DCA) ETS5/6
    to upload icons / update

    Version: V3.6
    Download: etsapp

    Download: pdf

    Assembly and operational instructions
    Download: pdf

    Technical manual
    Download: pdf

    Tender texts
    Download: Link

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