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. Weight 4,8 kg. 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 temperature – 4000 K/red colour. SDCM=3. CRI>80. Lifetime of LED sources: 60000 h L70/B50. Luminaire luminous flux: 3927 lm. Power of luminaire: 28,2 W. Luminaire's light efficiency: 139,3 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Circuit load capacity: 6 (B10), 9 (B16), 10 (C10), 16 (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. The luminaire can be made in CLO (Constant Lumen Output) version.