Diffuser luminaire; Round luminaire housing made of recyclable polycarbonate; Housing colour traffic white RAL 9016; Round domed polycarbonate diffuser, with opal matt smooth surface. 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 3-pole connection terminal with plug-in contacts.. Dimensions (LxWxH/DxH): 477mm x 160mm Cable entry KE: See mounting instructions Placement: LED, Colour rendering/Light colour CRI ≥ 80 / 4000K Colour tolerance: 3SDCM LED service life: 50000h L80/B10 (Tq 25°C) Nominal luminous flux: 4498lm Luminaire luminous efficiency: 122lm/W Controller: Electronic driver (1 pcs.) System output: 37W Energy efficiency class/light source: D Mains voltage: 230V Mains frequency: 50Hz Impact resistance (IK rating): IK07 Ambient temperatur: ta 25°C UGR lat./long.: 21.7 / 21.7 Certification mark: IP65, Protection class I, Heat filament test 650°C, F, D, Indoor, CE Regiolux GmbH Type: WBLSPC/500 LED 4500 840 ET vw RAL 9016 Article number: 25316194111 Product deep link: https://www.regiolux.de/en/article/25316194111 General warranty conditions: www.regiolux.de/en/Service/Warranty