Light fitting and front cover made of extruded aluminium profile; angular design; 90° corner element - inner corner; for lighting systems; no visible screws; surface black powder coated; suitable for wall mounting; homogeneous wall or ceiling illumination through uniform direct/indirect light distribution; direct light component: HPO (High Performance Opal) cover for uniform illumination; indirect light component: with specially computed, asymmetrical lens for homogeneous lighting intensity (installation optionally for floor or ceiling illumination); light colour 4000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 90; min. 85% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; degree of protection IP20; PC1; 220-240 V; incl. DALI-2 converter; accessories are listed separately; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling / Wall, Surface, black, RAL9005, 3520 lm/m, IP20, indirect 2310 lm, direct 1940 lm, total 4250 lm LED: 4000 K, CRI ≥ 90, L85 / 50000 h, initial MacAdam ≤ 3 SDCM , Rg: 98, Rf: 90, R{1-15}: 88, MR 0.76, MDER 0.69 Optical: High Performance Opal / Asymmetric, asymmetric, UGR < 22, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 220-240 V, system 35 W, PC1, system 121 lm/W, 29 W/m Physical: length 633 mm, width 633 mm, height 100 mm 058-6111638AA