Rectangular surface mounted multi-downlight made of aluminium; luminaire housing can be attached to mounting plate without tools by interlock; converter integrated into luminaire housing; surface white powder coated; equipped with four wallwasher light elements; asymmetrical light distribution with precise radiation characteristic; high quality reflector with micro-faceted, aluminum-vaporised surface; Reflector chrome; passive cooling of the LEDs through improved heat sink geometry; light colour 2700 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 90; min. 90% of luminous flux after 50000 operating hours; energy-efficient high power LEDs with very good colour rendering; degree of protection IP20; PC1; incl. DALI-2 converter; light source not replaceable; control gear replaceable by an authorized professional; clank-free; General: Ceiling, Surface, white, Reflector chrome, RAL9016, IP20, 1520 lm LED: 2700 K, CRI ≥ 90, L90 / 50000 h, initial MacAdam ≤ 3 SDCM , Rg: 101, Rf: 91, R{1-15}: 89, MR 0.56, MDER 0.51 Optical: wallwasher, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 19.3 W, PC1, 79 lm/W Physical: length 164 mm, width 51 mm, height 90 mm, 0.55 kg 090-1L443AW001