Ring-shaped, direct/indirect LED pendant luminaire with a slimline aluminium profile housing in white and microprismatic technology optics. Luminaire output: 64.2 W, DALI controllable luminaire with LED converter, LED service life of 50,000 hours up to a reduction in luminous flux to 90% of the initial value. Colour location tolerance (initial MacAdam): 3, luminaire luminous flux: 6032 lm, luminaire luminous efficacy: 94 lm/W. Colour rendering Ra > 90, colour temperature 3000 K. Light control via micropyramid structure optics with multi-layer structure for defined decoupling with UGR < 19. Housing made of rolled extruded aluminium profile, seamlessly welded, white powder-coated for a high-quality surface finish. Suspension cables and mounting accessories are supplied, ceiling canopy to be ordered separately. Halogen-free wired luminaire. Length of suspension cables: 3 m. Glow wire test: 650°C, luminaire wired halogen-free and silicone-free. Dimensions: Diameter 800 x 85 mm, weight: 6 kg.