Indoor luminaire. Assembly: directly mounted to ceiling construction or surface mounted on slings. The body material is polyester reinforced by fire-resistant glass fibre. Colour - light grey (RAL7035). Dimensions: 1277 x 116 x 99 mm. Diffuser: PMMA opal. The efficiency of the optical system is 86,02%. Beam angle: (C0-C180) / (C90-C270) - 120,2° / 100,4°. 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: 3927 lm. Power of luminaire: 24,7 W. Luminaire's light efficiency: 159 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 30 (B10), 48 (B16), 43 (C10), 70 (C16). Operating temperature range: -25 ÷ 30° C. Protection degree: IP65. Impact resistant: IK10. Protection against electric shock: I.