Skip links

Push-button Smart 55 | Color display – RGBW status LEDs


The MDT Push-button Smart 55 has a central colour display and mechanical push-buttons. The buttons can be used individually or grouped (horizontally or vertically). In addition to the status indication in the display, each button has its own RGB status LED. The RGBW status LEDs can be controlled using internal or external objects. The LED brightness can be controlled using a day / night and brightness object. Aside from switching, dimming, shutter, scenes or sending values, there are numerous functions to choose from. The Push-button Smart 55 has 4 integrated logic modules. 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. 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.

The MDT Push-buttons Smart 55 fit into the switch lines of leading manufacturers, such as:


  • GIRA Standard 55, E2, E22, Event, Esprit
  • BERKER S1, B3, B7
  • JUNG A 500, A PLUS, A CREATION, AS 500, A550, A FLOW
  • MERTEN 1M, M-Smart, M-Plan, M-Pure


  • GIRA E2
  • BERKER B3, B7
  • JUNG A550
  • MERTEN M-Pure

Feature: Push Button.

Colour: Pure white gloss, Black matt.

Functional Areas: 4-fold.

Status Display: Yes.

Colour Display: Yes.

Digital Labeling: Yes.

Assortment: 55 mm.


Technical Documentation Date Version Downloads
Device Configuration App (DCA) ETS5/6 From ETS5.7.x 06/23 V4.5.1.0 etsapp
Productdatabase ETS5/6 From ETS5.7x 12/21 V1.1a knxprod
Datasheet pdf
Functional overview 03/23 pdf
Assembly and operational instructions pdf
Technical manual pdf
Tender texts Link
Available Variants of this series:
Push-button Smart 55 | Color display - RGBW status LEDs
Colour: Pure white gloss
Push-button Smart 55 | Color display - RGBW status LEDs
Colour: Black matt
This website uses cookies to improve your web experience.