Indoor luminaire. Assembly: surface mounted on slings or mounted on wall. The body material is aluminum. Colour - RAL 9005 (black). Dimensions: Ø33 x 859 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 73,00%. Beam angle: (C0-C180) / (C90-C270) - 113,6° / 141,8°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>90. Lifetime of LED sources: 36000 h L80/B10. Luminaire luminous flux: 1788 lm. Power of luminaire: 18 W. Luminaire's light efficiency: 99,3 lm/W. Driver: standard on/off (E). Voltage 48 V DC. Operating temperature range: 5 ÷ 35° C. Protection degree: IP20. Impact resistant: IK04. Protection against electric shock: III. Photobiological risk class (IEC/EN 62471): RG0.