Rectangular recessed multi-downlight made of die-cast aluminium; installation without tools in mounting set due to patented ball catch system; rectangular installation housing; with trim jet black; suitable for ceiling thickness of 2-25 mm; equipped with four flood round light elements; symmetrical light distribution with precise radiation characteristic, beam angle 49°; high quality reflector with micro-faceted, aluminum-vaporised surface; chrome reflector; UGR ≤ 16; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 3000 cd/m²; 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; PC2; incl. DALI-2 converter; through wiring connection box, 3-pole or 5-pole, available as an accessory; accessories are listed separately; light source not replaceable; control gear replaceable by an authorized professional; clank-free; General: Ceiling, Recessed, chrome reflector, Mounting set jet black, RAL9005, IP20, 1280 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: flood round, beam angle 49°, UGR < 16, ≥65° <3000 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 13.1 W, PC2, 98 lm/W Physical: trim, length 156 mm, width 43 mm, height 48 mm, 0.44 kg Cutout: length 165 mm, width 50 mm, min. ceiling thickness 2 mm, max. ceiling thickness 25 mm, recessed depth 100 mm 090-7L443C0021 090-7L4020B