Indoor luminaire. Assembly: surface mounted on ceiling. The body material is steel sheet. Colour - RAL 9006 (grey, metallic, fine structure). Dimensions: 365 x 365 x 50 mm. Weight 2,13 kg. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 75,65%. Beam angle: (C0-C180) / (C90-C270) - 111,6° / 112,4°. Light source type: LED. Colour of the light 4000 K. CRI>80. Lifetime of LED sources: 100000 (1) / 80000 (2) h L70/B10 (1) / L80/B10 (2). Luminaire luminous flux: 2558 lm. Power of luminaire: 20,1 W. Luminaire's light efficiency: 127,3 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 45 (B10), 75 (B16), 45 (C10), 75 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP40. Impact resistant: IK04. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0.