Indoor luminaire. Assembly: surface mounted on ceiling. The body material is steel sheet. Colour - white. Dimensions: 620 x 620 x 78 mm. Diffuser: SLMR (laminated anti-reflective mat glass). The efficiency of the optical system is 80,12%. Beam angle: (C0-C180) / (C90-C270) - 100° / 100,2°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>95. Lifetime of LED sources: 60000 h L80/B10. Luminaire luminous flux: 4707 lm. Power of luminaire: 39,2 W. Luminaire's light efficiency: 120,1 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 16 (B10), 26 (B16), 23 (C10), 37 (C16). Operating temperature range: 5 ÷ 30° C. Protection degree: IP65. Impact resistant: IK08. Protection against electric shock: I. This is a medical device. Use it in accordance with the instructions for use.