Indoor luminaire. Assembly: mounted in plasterboard ceilings. The body material is steel sheet. Colour - white. Dimensions: Ø672 x 150 mm. Mounting hole: Ø676 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 72,43%. Beam angle: (C0-C180) / (C90-C270) - 112,8° / 113,8°. Light source type: LED. Colour of the light 2700 ÷ 6500 K. SDCM=3. CRI>90. Lifetime of LED sources: 100000 (1) / 80000 (2) h L70/B10 (1) / L80/B10 (2). Luminaire luminous flux: 3368 lm. Power of luminaire: 33,5 W. Luminaire's light efficiency: 100,5 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 13 (B10), 22 (B16), 21 (C10), 36 (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.