Indoor luminaire. Assembly: surface mounted on ceiling. The body material is aluminum. Colour - anodised aluminum. Luminaire dimensions: 1140 x 47 x 109 mm. Diffuser: PC (opalescent polycarbonate). The efficiency of the optical system is 78,38%. Beam angle: (C0-C180) / (C90-C270) - 141,4° / 86,8°. Light source type: LED. Colour temperature - yellow colour (dominant wavelength λp=592 nm). Lifetime of LED sources: 60000 h L80/B10. Luminaire luminous flux: 1724 lm. Power of luminaire: 58 W. Luminaire's light efficiency: 29,7 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 15 (B10), 24 (B16), 24(C10), 40 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP44. Protection against electric shock: I. The luminaire can be made in CLO (Constant Lumen Output) version.