Indoor luminaire. Assembly: mounted in module ceilings, as well as plasterboard ceilings. The body material is steel sheet. Colour - white. Luminaire dimensions: 596 x 596 x 76 mm. Mounting hole: 580 x 580 mm. Diffuser: PLX (PMMA opal). The efficiency of the optical system is 75,03%. Beam angle: (C0-C180) / (C90-C270) - 105° / 104,8°. Light source type: LED. Colour of the light 3000 K. SDCM=3. CRI>80. Lifetime of LED sources: 100000 (1) / 147000 (2) h L80/B10 (1) / L70/B50 (2). Luminaire luminous flux: 6611 lm. Power of luminaire: 49,1 W. Luminaire's light efficiency: 134,6 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 15 (B10), 25 (B16), 24 (C10), 38 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP65. Impact resistant: IK04. Protection against electric shock: I. Photobiological risk class (IEC/EN 62471): RG0. *Selected luminaire variants are available with ENEC certificate. The luminaire can be made in CLO (Constant Lumen Output) version.