LED downlight for ceilings with a cavity dimension = 36 mm. In emergency light version with single battery system, nominal operating time 3 hours. Recessed downlight for sawn ceiling openings. Installation in cast concrete ceilings using accessories. Tool-free ceiling installation using quick-mounting springs. Ceiling cutout Ø 215 mm, installation depth 36 mm. Cover panel made of translucent PMMA. With Lambertian light distribution. With predominantly direct light distribution. Increased lighting comfort through decorative ceiling illumination. Harmonious lighting effect through evenly illuminated light output. Luminaire luminous flux and light color fixed. Rated luminous flux 1900 lm, rated power 19 W, maximum luminaire luminous efficacy 100 lm/W. Light color warm white, correlated color temperature (CCT) 3000 K, general color rendering index (CRI) Ra > 80. Color tolerance (initial MacAdam) = 3 SDCM. Average rated service life L80(tq 25 °C) = 70,000 h, average rated service life L85(tq 25 °C) = 50,000 h. The light source is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). Luminaire body made of die-cast aluminum. Surface coated white (RAL 9016). Luminaire diameter Ø 234 mm, luminaire height 42 mm. Permissible ambient temperature (ta): 0 °C - +25 °C. Protection class (EN 61140): II, protection type (DIN EN 60529): IP20, protection type on the room side: IP54, shock resistance level according to IEC 62262: IK06, test temperature glow wire test according to IEC 60695-2-11: 650 °C. Weight: 1.3 kg. With external control gear, switchable. The control gear is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). The product meets the basic requirements of the applicable EU directives and the product safety law and bears the CE marking. Luminaire 10 years, spare parts (LED module, control gear, optical system) 15 years after the invoice date, subject to reasonable changes that serve progress.