Cylindrical surface mounted spotlight in die-cast aluminium; suitable for ceiling mounting; surface white (housing/light inset); 360° rotatable and 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 ≤ 19; 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, tilt max 20°, rotation 360°, white, Reflector white, RAL9016/white, IP20, 1750 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 < 19, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 20.2 W, PC1 220-240V, 87 lm/W, 1 DALI Addr. Physical: diameter 100 mm, height 162 mm, 0.95 kg 048-34106377F