Modular LED ceiling-recessed luminaire with lens optic. Total power: 46.9 W, Slave luminaire for DALI control (DALI only) 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: 6930 lm, Luminaire efficacy: 148 lm/W. Colour rendering Ra > 80, colour temperature 3000 K. Light control via square lens optic for glare-free light distribution with UGR < 19 to EN 12464:2011; housing of sheet steel, powder coated, white. Low dirt sensitivity and simple cleaning; Luminaire with external electrical connection; installation as pure lay-in/height-adjustable luminaire for module ceilings with visible and concealed grid systems; Luminaire wired with halogen-free leads; Dimensions: 1498 x 200 x 70 mm, weight: 4 kg