LED recessed ceiling light with electronic ballast, lamp power: 28.5 W. LED lifespan of 100,000 hours until light output decreases to 85% of the initial value. Color tolerance (initial MacAdam): 3. Luminous flux of the luminaire: 3580 lm, luminous efficacy: 126 lm/W. Color rendering index Ra > 80, color temperature 4000 K. Despite the highest quality controls, noticeable color differences may occur between fixtures when applied in clusters due to defined binning. To achieve a homogeneous 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 for glare-free lighting with UGR < 19 and L65 < 3000 cd/m², ensuring a uniform appearance; internal 5-pole connection terminal (connectable from inside or outside), installation as a single fixture or in clusters, 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 wired without halogen, dimensions: 1248 x 310 x 82 mm, weight: 6.8 kg.