Slender direct/indirect LED pendant luminaire for continuous-row systems with matt cell optic, total power: 41 W LED, 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: 4956 lm, Luminaire efficacy: 121 lm/W.Colour rendering Ra > 80, colour temperature 4000 K. Direct light directed by high-efficiency LED cell technology combined with primary optic for dispersing light points; cell modules made of high-quality composite material evenly vacuum-coated in highest-grade aluminium and with a protective SiO2 finish. Illumination pattern has strong direct component for energy-saving lighting; glare control to EN 12464-1:2011 with L65<1500 cd/m² at 65° in all directions and UGR < 19 for DSE workstations. Indirect light guided by continuous light-guide section for homogeneous light-point dispersal on the ceiling. Closed optical system with protective covers on LED modules to prevent damage from electrostatic discharge; powder-coated luminaire housing made of square-edge extruded aluminium section with visible square cross-section; die-cast aluminium end pieces painted in matching luminaire colour, invisible screw-fitting, luminaire colour silver Luminaire wired with halogen-free leads. 1 pc. cord (1000mm) with cross-cord is pre-assembled. 1 pc. power-feed module and 1 pc. supply cable must be ordered separately for each continuous row. Suspension has continuous adjustment both vertically and horizontally. Dimensions: 1209 x 63 x 64 mm. Weight: 3 kg.