Indoor luminaire. Assembly: mounted in module ceilings or using an adaptor frame in plasterboard ceilings. The body material is steel sheet. Colour - RAL 9016 (white). Dimensions: 1193 x 80 x 40 mm. Diffuser: OPTICS (optical system based on lenses). The efficiency of the optical system is 79,82%. Beam angle: (C0-C180) / (C90-C270) - 100,4° / 90,8°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 (1) / 147000 (2) h L80/B10 (1) / L70/B50 (2). Luminaire luminous flux: 6649 lm. Power of luminaire: 57 W. Luminaire's light efficiency: 116,6 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 16 (B10), 26 (B16), 23 (C10), 37 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP20. Impact resistant: IK04. Protection against electric shock: I.