Basic-N3. Energy-efficient LED chips of the latest generation. Recessed mounted luminaire with shadow gap for frameless mounting in plasterboard ceilings. Mounting brackets included. Luminaire body made of high-quality aluminum profile. Surface finish Radiant Silver. Direct light distribution and indirect lighting corona. Colour temperature: 4000K (Cool White). Colour Rendering Index (CRI): >80. Opal diffuser for enhanced light transmission and perfect uniform illumination. Dimmable DALI. DxH (round). D=400mm. H=78mm. Reflector: Radiant Silver. Aura colour white. Medium-power current. Luminous Flux: 1830lm. Total power consumption: 24W. 5,7kg. Binning initial <= MacAdam 3. Protection class IP40. Optical system with protection of the modules against direct contact and damage. Protection class I. CE, UKCA marking. IK02. 220-240V. 50-60 Hz. RG0 (EN62471). 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. BN3OSL-840M-D400-SW.