Luminaire housing made of extruded aluminium profile; light tight final end caps made of aluminium; no visible screws; angular design; surface white powder coated; suitable for wall or ceiling mounting; lighting profile (end cover pre-assembled) available in advance for installation; remaining lamp components mounted without tools; LED light inset consisting of highly reflective lacquered aluminium for improved thermal management; 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; micro prismatic PMMA diffuser incl. diffuser film for homogeneous illumination and reduced luminance; degree of protection IP20; 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, Surface, white, RAL9010, 1960 lm/m, IP20, 1120 lm LED: 4000 K, CRI ≥ 90, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , Rg: 99, Rf: 92, R{1-15}: 90, MR 0.81, MDER 0.74 Optical: Microprismatic, UGR < 22, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 13.2 W, PC1 220-240V, 85 lm/W, 1 DALI Addr., 23 W/m Physical: length 580 mm, width 60 mm, height 80 mm, 1.9 kg 046-41M2137G