Indoor luminaire. Assembly: mounted in suspended ceiling. The body material is aluminum. Colour - RAL 9005 (black). Dimensions: Ø33 x 65 mm. Diffuser: optical system based on PMMA lenses. The efficiency of the optical system is 75,19%. Beam angle: (C0-C180) / (C90-C270) - 50,8° / 51,6°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI>90. Lifetime of LED sources: 100000 h L80/B10. Luminaire luminous flux: 422,3 lm. Power of luminaire: 5,4 W. Luminaire's light efficiency: 78,2 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Operating temperature range: 5 ÷ 35° C. Protection degree: IP20. Impact resistant: IK04. Protection against electric shock: III. Photobiological risk class (IEC/EN 62471): RG0.