Indoor luminaire. Assembly: directly mounted to ceiling construction or surface mounted on slings. The body material is steel sheet. Colour - RAL 9016 (white). Dimensions: 900 x 72 x 66 mm. Diffuser: optical system based on PMMA lenses. The efficiency of the optical system is 92,08%. Beam angle: (C0-C180) / (C90-C270) - 45,6° / 93,8°. 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: 4269,2 lm. Power of luminaire: 24 W. Luminaire's light efficiency: 177,9 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 25 (B10), 40 (B16), 39 (C10), 62 (C16). Operating temperature range: -20 ÷ 35° C. Protection degree: IP20. Impact resistant: IK06. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0.