42952557 LF3 D/I 5900-Z40 L12 LDE WH Frameless indirect/direct LED pendant luminaire with MPO+ micropyramidal optic and separately controllable indirect light for ceiling illumination with batwing light distribution. , DALI controllable luminaire with LED converter; LED service life lasts 50000 h before luminous flux is reduced to 70% of the initial value. Chromaticity tolerance (initial MacAdam): 3. Luminaire luminous flux: 6150 lm, Luminaire efficacy: 79 lm/W. Colour rendering Ra > 90, colour temperature 4000 K (Zumtobel Spectrum). Direct/indirect illumination in 70:30 ratio; LEDs coupled in on both sides; light guided by high-efficiency LitePrint® waveguide technology based on 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 designed to cut glare on tilted displays and allow maximum flexibility; evenly spaced LED light points; uniform indirect light distribution optimized for low suspension height of at least 50 cm. Smooth outer diffuser of high grade polymethylmethacrylate, low dirt sensitivity and simple cleaning due to smooth outer cover. High quality luminaire housing made of powder coated sheet steel with all-round optic frame without seam or gap in white. Please order cord suspension kit with transparent connecting cable separately. Suspension length with continuous adjustment. Luminaire wired with halogen-free leads; Dimensions: 1164 x 267 x 50 mm, weight: 9 kg.