Indoor luminaire. Assembly: surface mounted on ceiling. The body material is steel sheet. Colour - white. Luminaire dimensions: 1255 x 207 x 71 mm. Diffuser: PMMA opal. The efficiency of the optical system is 80,15%. Beam angle: (C0-C180) / (C90-C270) - 121,6° / 110,4°. 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: 5959,8 lm. Power of luminaire: 40 W. Luminaire's light efficiency: 149 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 11 (B10), 17 (B16), 16 (C10), 27 (C16). Operating temperature range: -20 ÷ 35° C. Protection degree: IP20. 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.