42186931 LF3 E 1600-940 M625M LDE KA WH Recessed ceiling luminaire with frameless look, 100% uniform illumination, laser-welded MPO+ micropyramidal optic with light accent. , DALI controllable luminaire with LED converter; 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: 1610 lm, Luminaire efficacy: 111 lm/W. Colour rendering Ra > 90, colour temperature 4000 K. Light guided via backlit multilayer MPO+ micropyramidal optic with seamless look and defined light emission for glare-free light distribution with UGR < 19 and L65 < 3000 cd/m² as per EN 12464; reduced luminance at steep angles specifically designed to cut glare on tilted displays and allow maximum flexibility; evenly spaced LED light points; laser-welded light chamber ensures touch protection and prevents entry of insects and dirt particles; simple cleaning due to smooth outer cover of high grade polymethylmethacrylate; flat luminaire housing made of sheet steel with all-round optic frame made of plastic, white; Luminaire with external electrical connection; Installation as single luminaire or as cluster, designed to fit in cut ceiling apertures and in modular ceilings with concealed or visible joist system; please order fixing kit separately; Luminaire wired with halogen-free leads; Modul: 625; Dimensions: 310 x 310 x 90 mm, weight: 1.9 kg.