Recessed ceiling luminaire with frameless aesthetics, 100% uniform illumination, laser-welded MPO+ micro-pyramidal optic with light accent. Luminaire output: 39.1 W, electronic ballast with LED converter, LED service life 50000 h up to a reduction in luminous flux to 90 % of the initial value. Colour location tolerance (initial MacAdam): 3. luminous flux: 5000 lm, luminous efficacy: 128 lm/W. Colour rendering Ra > 90, colour temperature 4000 K. Light control via backlit multilayer MPO+ micropyramidal optics with seamless appearance and defined light extraction for glare-free light distribution with UGR < 19 and L65 < 3000 cd/m² in accordance with EN 12464, reduced luminance at steep angles for glare control of steeply inclined displays and for maximum flexibility, homogeneous resolution of the LED light distribution. homogeneous resolution of the LED light points, laser-welded light chamber ensures protection against contact and prevents the ingress of insects and dirt particles, easy cleaning thanks to smooth outer cover made of high-purity polymethyl methacrylate, flat luminaire housing made ofluminaire housing made of sheet steel with all-round plastic optical frame in white, luminaire with electrical connection from outside, installation as individual luminaire or in a cluster, for sawn ceiling openings and modular ceilings with concealed or visible support system, fixing set to be ordered separately, luminaire wired halogen-free, Modul: 600, dimensions: 1198 x 298 x 90 mm, weight: 6.6 kg.