Round recessed spotlight in die-cast aluminium; surface black powder coated; with trim; suitable for ceiling thickness of 2-25 mm; installation without tools using snap spring closure; passive cooling of the LEDs through improved heat sink geometry; light colour 4000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 80; min. 90% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; reflector made of polycarbonate, polished chrome; symmetric radiation characteristic with 49° beam; recessed luminaire plane; UGR ≤ 19; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 1500 cd/m²; degree of protection from below IP44 (from above IP20); PC2 220-240V; incl. converter, non dimmable; external converter for ceiling insertion, through-wiring suitable; operating device suitable for use with a central battery system; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Recessed, black, RAL9005, front IP44, back IP20, 989 lm LED: 4000 K, CRI ≥ 80, L90 / 50000 h, initial MacAdam ≤ 3 SDCM , MR 0.72, MDER 0.66 Optical: beam angle 49°, UGR < 19, ≥65° <1500 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: non DIM, 9.3 W, PC2 220-240V, 106 lm/W Physical: trim, diameter 130 mm, height 79 mm, 0.5 kg Cutout: diameter 100 mm, min. ceiling thickness 2 mm, max. ceiling thickness 25 mm, recessed depth 90 mm 049-3111618O