Indoor luminaire. Assembly: surface mounted on ceiling. The body material is steel sheet. Colour - RAL 9003 (white) / RAL 9005 (black). Dimensions: Ø500 x 125 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 65,47%. Beam angle: (C0-C180) / (C90-C270) - 110,2° / 109,6°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 h L80/B10. Luminaire luminous flux: 2015 lm. Power of luminaire: 17,5 W. Luminaire's light efficiency: 115,1 lm/W. Driver: DIM DALI (EDD). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 20 (B10), 30 (B16), 32 (C10), 52 (C16). Operating temperature range: 5 ÷ 35° C. Protection degree: IP20. Impact resistant: IK04. Protection against electric shock: II. Photobiological risk class (IEC/EN 62471): RG0.