Indoor luminaire. Assembly: mounted in suspended ceiling. The body material is aluminum. Colour - RAL 9010 (white). Luminaire dimensions: Ø151 x 125 mm. Mounting hole: Ø143 mm. Weight 1,18 kg. Diffuser: hardened transparent glass. Beam angle: (C0-C180) / (C90-C270) - 33,4° / 33,4°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI82. Lifetime of LED sources: 50000 h L80/B10. Luminaire luminous flux: 2053 lm. Power of luminaire: 21 W. Luminaire's light efficiency: 97,8 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 29 (B10), 47 (B16), 49 (C10), 79 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP20/44. Impact resistant: IK04. Protection against electric shock: II. The luminaire can be made in CLO (Constant Lumen Output) version.