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: tunable white diodes (2700-6500 K); binning initial MacAdam ≤ 3 SDCM; CRI ≥ 80; 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 / DT8 converter; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Surface, white, RAL9010, 2230 lm/m, IP20, 5230 lm LED: tunable white, 2700 K - 6500 K, CRI ≥ 80, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , MR 0.48, MDER 0.44 Optical: Microprismatic, UGR < 25, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2 DT8, 51 W, PC1 220-240V, 103 lm/W, 1 DALI Addr., 22 W/m Physical: length 2352 mm, width 60 mm, height 80 mm, 6.2 kg 046-4138D37Z