Recessed luminaire; Sheet steel housing with uniformly wide circumferential edge and 7 mm raised edges for ceilings with visible T-rails, concealed symmetrical rail constructions and cut-out ceilings; Housing colour traffic white RAL 9016. Light distribution direct distribution by means of Silky matt MIRO® parabolic louvres of aluminium, reflectivity-enhanced, self-engaging, can be folded down on both sides. 65° < 1000 cd/m²; according to current standard DIN-EN 12464-1. The light source and driver are removable in accordance with the EU 2019/2020 ecodesign requirements and can be replaced in the factory. Electrical connection via 5-pole connection terminal with plug-in contacts.. UBB universal mounting brackets for concealed symmetrical rail constructions or recessed ceilings and SCT CLIPS securing clips for ceilings with visible T rails: please order separately. Dimensions (LxWxHxD): 1247mm x 310mm x 58mm x 51mm Ceiling system: ceilings with visible T-rails [s-TS] (312.5x1250 mm), Concealed symmetrical rail construction [VS] (312.5x1250 mm), cut-out ceilings [AD] Installation depth: 120mm [AD]; 170mm [s-TS]; 120mm [VS] Ceiling cut-out (LxW/D): 1180mm x 275mm Placement: LED, Colour rendering/Light colour CRI ≥ 80 / 4000K Colour tolerance: 3SDCM LED service life: 50000h L80/B10 (Tq 25°C) Nominal luminous flux: 4560lm Luminaire luminous efficiency: 149lm/W Control gear: Electronic driver DALI2 (1 pcs.) System output: 31W Energy efficiency class/light source: B Mains voltage: 230V Mains frequency: 50Hz Impact resistance (IK rating): IK03 Ambient temperatur: ta 25°C Special properties: Ready for IoT UGR lat./long.: max. 16.7 / 20.3 Certification mark: IP20, Protection class I, 65°<1000 cd/m², ENEC10 VDE, F, F-“roof” mark, Indoor, CE Warranty period: 5 years Regiolux GmbH Type: RSEX/312 -1250 LED 4600 840 DALI2 vw RAL 9016 Article number: 71010506660 Product deep link: https://www.regiolux.de/en/article/71010506660 General warranty conditions: www.regiolux.de/en/Service/Warranty