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Katschberg tunnel – Implementation of SDi system

May 30, 2022 – Our engagement in tunnel lighting projects in Austria continues. On this occasion, we illuminated the Katschberg tunnel, located on the Tauern highway section between the Flachauwinkel and Rennweg junctions. The Tauren (A10) highway is an essential north-south transversal in the Alps, and the tunnel itself is 5,898 m long.

To meet the requirements of the investor, the company ASFINAG, it was necessary to adjust the LED lighting for the existing housings, which are not of standard dimensions. By analyzing all requirements, BUCK has come up with an original solution – SDi system for remote control of luminaire power (SDi – discrete time coded 230 V Step-Dim-interface), which allows dimming control to be performed using a single-phase cable from an existing installation. This way, the signal can be transmitted over long distances without loss.

INSERT ASF 3 SYM 118W and INSERT ASF 4 SYM 158W were used in the realization of this project. Our research and development department is working tirelessly on new solutions that would meet our clients’ requirements. We are proud of the simplicity and efficiency of the SDi system, and we expect its implementation in new projects.

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