Basic-S2. Energy-efficient LED chips of the latest generation. Free standing luminaire. Luminaire head with 38mm visible overall height and diameter 500mm. Luminaire body made of high-quality aluminum profile. Surface finish Radiant Silver. Direct/indirect light distribution. Colour temperature: 4000K (Cool White). Colour Rendering Index (CRI): >80. Microprismatic screen for uniform illumination and reduced luminance in office areas. UGR<=19. Swarm Control. DxWxH (luminaire head, round/Stand). D=500mm. H=2000/38mm. Medium-power current. Luminous Flux: 11700lm. Total power consumption: 81W. 21kg. Binning initial <= MacAdam 3. U-formed floor base matching luminaire`s outer surface colour. Plug Schuko CEE 7/7 (Type E+F). Protection class IP20. Optical system with protection of the modules against direct contact and damage. Protection class I. CE, UKCA marking. IK02. 220-240V. 50-60 Hz. Photometric code: 8 40 / 3 3 9. Luminous flux reduction up to 0,3%/1.000 operating hours. Nominal failure rate: 0,2%/1.000 operating hours. L85B10 (tq 25°C) = 50.000h. 5 years warranty. Manufacturer: Lightnet GmbH, ISO 9001:2015 certificated. BS2ASR-840M-D500-U-A.