Indoor luminaire. Assembly: mounted in module ceilings as well as plasterboard ceilings, directly mounted to ceiling construction and surface mounted on slings using accessories. The body material is steel sheet. Colour - RAL 9016 (white). Dimensions: 596 x 596 x 34 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 90,00%. Beam angle: (C0-C180) / (C90-C270) - 113,8° / 114,6°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 h L80/B10. Luminaire luminous flux: 3355 lm. Power of luminaire: 20,6 W. Luminaire's light efficiency: 162,8 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 31 (B10), 50 (B16), 50 (C10), 80 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP20/44. Impact resistant: IK04. Protection against electric shock: II. Photobiological risk class (IEC/EN 62471): RG0. The luminaire can be made in CLO (Constant Lumen Output) version.