Indoor luminaire. Assembly: surface mounted on ceiling. The body material is aluminum. Colour - RAL 9016 (white). Dimensions: Ø185 x 175 mm. Weight 2,6 kg. Diffuser: transparent glass. The efficiency of the optical system is 71,41%. Beam angle: (C0-C180) / (C90-C270) - 72° / 73°. Light source type: LED. Colour of the light 4000 K. SDCM=2. CRI80. Lifetime of LED sources: 86000 (1) / 100000 (2) / 100000 (3) h L90/B10 (1) / L80/B10 (2) / L70/B10 (3). Luminaire luminous flux: 3074 lm. Power of luminaire: 25,5 W. Luminaire's light efficiency: 120,5 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 39 (B10), 62 (B16), 65 (C10), 104 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP44. Impact resistant: IK06. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0. The luminaire can be made in CLO (Constant Lumen Output) version.