Round LED downlight with high-gloss aluminum reflector. Recessed downlight for cut ceiling openings. Installation in cast concrete ceilings using accessories. Tool-free ceiling installation through quick-mount springs. Suitable for installation in ceiling cutouts from Ø 210 mm to Ø 225 mm. In combination with a renovation ring as optional accessory, ceiling openings up to Ø 260 mm can be covered. Installation depth over 145 mm. High-gloss anodized aluminum reflector. Rated luminous flux 4400 lm, rated power 48.00 W, luminous efficacy of the luminaire 92 lm/W. Light color neutral white, color temperature (CCT) 4000 K, general color rendering index (CRI) Ra over 80. Average rated lifespan L80(tq 25 °C) = 70,000 h, average rated lifespan L85(tq 25 °C) = 50,000 h. The light source is replaceable according to eco-design requirements. Ceiling ring and heat sink made of aluminum die-cast. Surface coated in silver gray (RAL 9006). External dimensions of ceiling ring Ø 236 mm, luminaire height 143 mm. Permissible ambient temperature (ta): -20 °C to +25 °C. In combination with a closed decorative cover, protection class IP54 is achieved on the room side. Protection class (EN 61140): I, protection rating (DIN EN 60529): IP20, impact resistance grade according to IEC 62262: IK03, test temperature for glow wire test according to IEC 60695-2-11: 850 °C. Weight: 1.3 kg. With 5-pole terminal block up to 2.5 mm² for mains connection and network forwarding. With electronic control gear, digitally dimmable (DALI). Control gear according to DALI-2 standard. Luminaire can be switched and dimmed via touch function through DALI control terminals (Touch DIM). The control gear is replaceable according to eco-design requirements. The product meets the fundamental requirements of applicable EU directives and the Product Safety Act and bears the CE marking.