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: 621 x 621 x 34 mm. Diffuser: Micro-PRM (micro-prismatic diffuser PMMA). The efficiency of the optical system is 88,00%. Beam angle: (C0-C180) / (C90-C270) - 88,6° / 93°. 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: 4873 lm. Power of luminaire: 31,8 W. Luminaire's light efficiency: 153,2 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 29 (B10), 46 (B16), 46 (C10), 74 (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.