Round surface-mounted LED downlight, Construction height 60 mm. For wall and ceiling mounting. Cover of translucent PMMA. With Lambertian light distribution. Harmonious light effect due to homogeneously illuminated light emission. Luminaire luminous flux and light color fixed. Luminaire luminous flux 3100 lm, connected load 23 W, maximum luminous efficiency of luminaire 135 lm/W. Light colour neutral white, correlated colour temperature (CCT) 4000 K, general colour rendering index (CRI) Ra > 80. Colour locus tolerance (initial MacAdam) ≤ 3 SDCM. Mean rated service life L80(tq 25 °C) = 70,000 h, mean rated service life L85(tq 25 °C) = 50,000 h. The light source is replaceable according to the ecodesign requirements (VO (EU) 2019/2020). Luminaire body of die-cast aluminium. Surface coated white (RAL 9016). External dimensions of ceiling ring Ø 316 mm, luminaire height 60 mm. Permissible ambient temperature (ta): -20 °C - +25 °C. Safety class (EN 61140): I, protection rating (DIN EN 60529): IP40, impact resistance level in accordance with IEC 62262: IK06, testing temperature of wire glow test in accordance with IEC 60695-2-11: 650 °C. Weight: 2,4 kg. With connection terminal to 2.5 mm, cable strain relief and mains through-wiring. With electronic transformer, switchable. The control gear unit is replaceable in accordance with the ecodesign requirements (VO (EU) 2019/2020). The luminaire complies with the fundamental requirements of applicable EU regulations and product safety legislation and bears the CE symbol. The luminaire is also ENEC-certified by an independent testing authority. Luminaire available for 10 years, spare parts (LED module, control gear unit, optical system) for 15 years from date of invoice, subject to reasonable modifications in the interests of progress.