Recessed downlight; Housing made of sheet steel with cover ring made of diecast aluminium painted similar to RAL 7032 grit grey, with translucent diffuser made of safety glass, with driver wired ready for operation, aluminium heat sink for effective passive cooling. With mounting springs for installation without tools, suitable for ceiling thickness of 10mm-25mm. Housing colour pebble grey metallic; Direct wide-beam light distribution by means of high-gloss, unit-anodised reflector made of ultra-pure aluminium, with translucent cover made of safety glass. The light source and driver are removable in accordance with the EU 2019/2020 ecodesign requirements and can be replaced in the factory. External driver with luminaire wired ready for operation. Electrical connection and connection of control cable using 5-pole connection terminal with plug-in contacts. With the Changy-SR VW accessory refurbishment ring, a ceiling cut-out of 230-300mm is possible. Dimensions (LxWxH/DxH): 246mm x 113mm Ceiling system: cut-out ceilings [AD], Panel ceiling [PD] (module 100/200) Installation depth: 165mm [AD] Ceiling cut-out (LxW/D): 229mm Beam angle: 85° Placement: LED, Colour rendering/Light colour CRI ≥ 80 / 4000K Colour tolerance: 3SDCM Photobiological safety (Luminaire): RG1 LED service life: 50000h L80/B10 (Tq 25°C) Nominal luminous flux: 1702lm Luminaire luminous efficiency: 109lm/W Controller: Electronic driver DALI2 (1 pcs.) System output: 16W Energy efficiency class/light source: D Mains voltage: 230V Mains frequency: 50Hz Impact resistance (IK rating): IK02 Ambient temperatur: ta 25°C Special properties: Ready for IoT UGR lat./long.: 22.0 / 22.0 Certification mark: IP54, Protection class II, F, Indoor, CE Regiolux GmbH Type: doma-DESSB 195 IP54 LED 1600 840 DALI2 kgm Article number: 36941336625 Product deep link: https://www.regiolux.de/en/article/36941336625 General warranty conditions: www.regiolux.de/en/Service/Warranty