60818667 P-INF Q100H 500-927-65 LDO BK WH LED ceiling-recessed luminaire (pre-assembled luminaire); "tunableWhite" LED luminaire, dynamic variation of colour temperature with constant luminaire luminous flux can be controlled via DALI signal (DT8 Standard); shielding angle 45°; lamp(s): LED500-927-65; Colour rendering Ra > 90, colour temperature (tunable) 2700-6500 K (warm white-neutral white-daylight white); Chromaticity tolerance (initial MacAdam): 3; Luminaire luminous flux: 500 lm, Luminaire efficacy: 36 lm/W; service life: 50000 h for luminous flux at 80% of initial value; with ballast unit Slave luminaire for DALI control (DALI only); dimming range: 1-100%, includes "Fade-to Zero"; modular, high-quality optical unit consisting of reflector and LED light chamber integrated in optimised thermal management of die-cast aluminium; smooth reflector in coated black; reflector/trim made of high-quality, UV-resistant polycarbonate; white trim; mounting surround of die-cast aluminium; luminaire unit can be fitted quickly without tools using EASY-CLICK catch; luminaire wired with halogen-free leads; power connection: 5-pole connector terminal, loop-in/loop-out possible; mains voltage: 220-240 V / 0/50/60 Hz, for use with 220V DC central battery ; installation: tool-free quick installation using spring clips in ceilings of thickness 1-25mm; ceiling cutout: 100x100 mm, recessed depth: 130mm; weight: 0.7 kg; Note: UGR<19 for office applications compliant with EN12464 (depending on luminaire type)