Square ceiling mounted spotlight made of aluminium; surface white (housing/light inset); 20° tiltable; luminaire housing can be attached to mounting plate without tools by interlock; passive cooling of the LEDs through improved heat sink geometry; with COB (Chip on Board) technology for maximum efficiency; no appearance of multiple shadows; light colour 4000 K; binning initial MacAdam ≤ 2 SDCM; CRI ≥ 90; min. 80% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; incl. high quality lens system; precise radiation characteristic with 45° beam; UGR ≤ 16; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 1500 cd/m²; degree of protection IP20; PC1 220-240V; incl. converter, non dimmable; converter integrated into spotlight head; luminaire for through wiring; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Surface, tilt max 20°, white, Inner colour black, RAL9016/black, IP20, 1680 lm LED: 4000 K, CRI ≥ 90, L80 / 50000 h, initial MacAdam ≤ 2 SDCM , Rg: 97, Rf: 90, R{1-15}: 89, MR 0.81, MDER 0.74 Optical: flood, beam angle 45°, UGR < 16, ≥65° <1500 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: non DIM, 20.2 W, PC1 220-240V, 83 lm/W Physical: length 100 mm, width 100 mm, height 162 mm, 1.1 kg 048-33106171F