Square ceiling mounted spotlight made of aluminium; surface black (housing/light inset); luminaire housing can be attached to mounting plate without tools by interlock; passive cooling of the LEDs through improved heat sink geometry; no multiple shadows; light colour 3000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 90; min. 80% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; with specially computed, asymmetrical reflector for homogeneous lighting intensity; high quality reflector with micro-faceted, aluminum-vaporised surface; degree of protection IP20; PC1 220-240V; incl. DALI-2 converter; flicker-free visual comfort through analogue current control (minimum value 1%); 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, black, Inner colour white, RAL9005/white, IP20, 789 lm LED: 3000 K, CRI ≥ 90, L80 / 50000 h, initial MacAdam ≤ 3 SDCM , Rg: 97, Rf: 91, R{1-15}: 89, MR 0.6, MDER 0.54 Optical: wallwasher, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 9.7 W, PC1 220-240V, 81 lm/W Physical: length 72 mm, width 72 mm, height 108 mm, 0.5 kg 048-36105317A