Indoor luminaire. Assembly: mounted in plasterboard ceilings. The body material is aluminum. Colour - RAL 9005 (black). Dimensions: 1401 x 70 x 75 mm. Mounting hole: 1401 x 55 mm. Diffuser: RASTER (anti-glare louver). The efficiency of the optical system is 82,98%. Beam angle: (C0-C180) / (C90-C270) - 72,6° / 74,4°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 h L80/B10. Luminaire luminous flux: 4370 lm. Power of luminaire: 31,8 W. Luminaire's light efficiency: 137,4 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 17 (B10), 28 (B16), 26 (C10), 41 (C16). Operating temperature range: 5 ÷ 35° C. Protection degree: IP40. Impact resistant: IK04. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0. The luminaire can be made in CLO (Constant Lumen Output) version. *Selected luminary variants are available with ENEC certificate.