Indoor luminaire. Assembly: mounted in plasterboard ceilings. The body material is steel sheet. Colour - white. Dimensions: 1126 x 602 x 83 mm. Mounting hole: 1127 x 605 x 80 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 66,66%. Beam angle: (C0-C180) / (C90-C270) - 109° / 107,2°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 (1) / 147000 (2) h L80/B10 (1) / L70/B50 (2). Luminaire luminous flux: 4405 lm. Power of luminaire: 35,3 W. Luminaire's light efficiency: 124,8 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 14 (B10), 23 (B16), 22 (C10), 35 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP20. Impact resistant: IK04. Protection against electric shock: I. The luminaire can be made in CLO (Constant Lumen Output) version.