Indoor luminaire. Assembly: directly mounted to ceiling construction or surface mounted on slings. The body material is steel sheet. Colour - RAL 9016 (white). Dimensions: 2250 x 72 x 66 mm. Diffuser: optical system based on PMMA lenses. The efficiency of the optical system is 97,50%. Beam angle: (C0-C180) / (C90-C270) - 79,2° / 77,6°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>80. Lifetime of LED sources: 90000 h L80/B10. Luminaire luminous flux: 10547,5 lm. Power of luminaire: 56,1 W. Luminaire's light efficiency: 188 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 14 (B10), 23 (B16), 22 (C10), 35 (C16). Operating temperature range: -20 ÷ 35° C. Protection degree: IP54. Impact resistant: IK06. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0.