LED recessed ceiling luminaire with digitally dimmable, DC voltage-compliant LED converter for DALI control with two DALI addresses for separate control of central and side area; total power: 32.7 W. LED service life lasts 50000 h before luminous flux is reduced to 90% of the initial value. Chromaticity tolerance (initial MacAdam): 3. Luminaire luminous flux: 3540 lm, Luminaire efficacy: 108 lm/W. Colour rendering Ra > 80, colour temperature 4000 K. Despite maximum quality control, recognisable colour differences between luminaires with the predefined binning may occur with cluster applications. To achieve a uniform appearance, we recommend consulting a lighting consultant with intended cluster or continuous row installations. Diffuse side areas for pleasant ambient lighting and high quality lens optic (Advanced Crystal Optic) for central area for glare-free lighting with UGR < 19 and L65 < 3000 cd/m² and rich-contrast appearance, internal 5-pole plug-in terminal block (can be connected from inside or outside); can be installed as a single luminaire or in a cluster; designed to fit in ceiling apertures cut with a saw and in modular ceilings with concealed or visible joist system; fixing set and strain relief must be ordered separately; Luminaire wired with halogen-free leads; Dimensions: 1198 x 298 x 82 mm, weight: 8.1 kg