Square light fitting made of aluminium; flat design (luminaire housing 35mm); surface grey powder coated; suitable for wall or ceiling mounting; luminaire housing set 11mm away from wall or ceiling; convenient quick mounting system without tools; direct light distribution by LGP body (Light Guiding Prism); side coupled light directed downwards by laser engraving; light control via highly reflective reflector material; completely homogeneously illuminated, satin PMMA cover; same luminance for all size versions; light colour 3000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 80; min. 90% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; luminaire with 2 cable openings and plug-in terminal for through wiring; degree of protection IP40; PC1 220-240V; photobiological safety according to IEC 62471 risk group RG 0 - no Risk; internal wiring in light halogen free; incl. DALI-2 converter; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling / Wall, Surface, grey, RAL9006, IP40, 6060 lm LED: 3000 K, CRI ≥ 80, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , MR 0.54, MDER 0.49 Optical: Opal, UGR < 25, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 44 W, PC1 220-240V, 138 lm/W, 1 DALI Addr. Physical: length 591 mm, width 591 mm, height 46 mm, 7.1 kg 073-015153GO