42939273 ONDA2 E LRO D590 LED4000-840 EVG WH Decorative diffuse LED Circular luminaire with LRO cover for recessed installation. , electronic ballast 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: 3660 lm, Luminaire efficacy: 139 lm/W. Colour rendering Ra > 80, colour temperature 4000 K. aluminium housing in white enamelled finish. Plastic cover, LRO light reducing optic with UGR<19 in polymethylmethacrylate with frosted surface, fixed to frame. Includes electronic LED converter for DALI control. Luminaire wired with halogen-free leads Dimensions: Ø590 x 85 mm, ceiling cut-out: Ø619 mm; weight: 5.8 kg; Impact strength: IK03. Please order recessed-mounting kit for concealing and fixing material separately.