LED recessed ceiling light with digitally dimmable and DC-compatible LED driver for DALI control, featuring two DALI addresses for separate control of the central and side areas. Luminous power: 55 W. LED lifespan of 100,000 hours with a light output reduction to 80% of the initial value. Color tolerance (initial MacAdam): 3. Luminous flux: 3700 lm, luminous efficacy: 67 lm/W. Color rendering index Ra > 90, color temperature (tunable) 2700-6500 K. Despite the highest quality controls, noticeable color differences between fixtures may occur when applying the defined binning in clusters. To achieve a uniform appearance, it is recommended to consult a lighting advisor when planning installation in clusters or light bands. Diffuse side areas for pleasant ambient lighting and high-quality lenticular structure for the central area provide glare-free lighting with UGR < 19 and L65 < 3000 cd/m², ensuring a homogeneous appearance. Internal 5-pole terminal block (connectable from inside or outside), installation as a single fixture or in clusters, suitable for cut ceiling openings and modular ceilings with concealed or visible support systems. Mounting set and strain relief must be ordered separately. Fixture with external electrical connection. Fixture is halogen-free wired. Dimensions: 623 x 623 x 77 mm, weight: 6 kg.