62926770 PANOS R R150 1k-830 SWI H BK WH LED ceiling-recessed luminaire (pre-assembled luminaire) R150; ; symmetric wide beam light distribution (66 °), maximum luminaire efficiency and optimum downlight lighting technology; high sustainability due to consistent, maximum modular design and interchangeable components, Replaceable LED module; Colour rendering Ra > 80, colour temperature 3000 K; Chromaticity tolerance (initial MacAdam): 2; Luminaire luminous flux: 640 lm; Luminaire efficacy: 80 lm/W; with separate plug-in LED converter, switchable luminaire ; high-quality reflector unit fixed to modular LED lighting chamber by twist-and-lock mechanism; high-efficiency LED lighting chamber integrated in optimised, passive thermal management made of high-quality heat-dissipating polycarbonate; reflector/trim made of high-quality, UV-resistant polycarbonate; reflector: coated black; trim: white; mounting surround made of polycarbonate; white; protection rating: IP54_IP20; luminaire wired with halogen-free leads; electrical connection: 3-pole connector terminal; Through-wiring possible; mains voltage: 220-240 V / 0/50/60 Hz, for use with central battery 220-240V DC; ; Installation: tool-free quick installation using antislip spring clips in ceilings of thickness 1-40 mm (depending on the luminaire variant) due to interchangeable retaining bars; luminaire unit can be fitted quickly without tools using twist-and-lock mechanism; ceiling cut-out: 150 mm, recess depth: 100mm; weight: 0.54 kg; For office applications in accordance with EN12464 (UGR<19 reflector type sputtered aluminium)