Round luminaire housing in aluminium; extremely flat design (only 15mm); modern shape in an elegant design for high demands; surface special colours powder coated; suitable for wall or ceiling mounting; convenient quick mounting system without tools; direct light distribution through LGP body (Light Guiding Prism); side coupled light directed downwards by laser engraving; light control via highly reflective reflector material; microprismatic PMMA cover; completely homogeneous illumination; same light density for all surface lights with the same components; light colour 4000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 90; min. 90% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; luminaire with 2 cable openings and plug-in terminals 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; sound absorbing accessories available; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling / Wall, Surface, special colours, IP40, 1080 lm LED: 4000 K, CRI ≥ 90, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , Rg: 96, Rf: 90, R{1-15}: 87, MR 0.75, MDER 0.68 Optical: Microprismatic, UGR < 22, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 11.4 W, PC1 220-240V, 95 lm/W, 1 DALI Addr. Physical: diameter 300 mm, height 41 mm, 1.6 kg 059-015013XP