Cylindrical surface mounted spotlight in die-cast aluminium; suitable for ceiling mounting; surface white (housing/light inset); 360° rotatable and 30° 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 2700 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 54° beam; 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 30°, rotation 360°, white, Inner colour matt silver, RAL9016/matt silver, IP20, 855 lm LED: 2700 K, CRI ≥ 90, L80 / 50000 h, initial MacAdam ≤ 2 SDCM , Rg: 99, Rf: 91, R{1-15}: 89, MR 0.53, MDER 0.48 Optical: wide flood, beam angle 54°, UGR < 22, ≥65° <3000 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: non DIM, 10.4 W, PC1 220-240V, 82 lm/W Physical: diameter 72 mm, height 108 mm, 0.5 kg 048-31104174W