Luminaire housing made of extruded aluminium profile; suitable for rimless installation in plasterboard ceilings; specially designed trim with grooves for better adhesion of smoothing compound; suitable for ceiling thickness of 8-20 mm; surface aluminium raw; luminaire profile with pre-assembled converter unit can be pre-mounted on site; remaining lamp components mounted without tools; light inset made from extruded profile for improved thermal management; light colour 4000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 80; min. 90% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; high quality, chromed reflector with faceted design; UGR ≤ 19; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 1500 cd/m²; degree of protection IP20; PC1 220-240V; internal wiring in light halogen free; incl. converter, non dimmable; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Recessed, aluminium raw, 3650 lm/m, IP20, 8730 lm LED: 4000 K, CRI ≥ 80, L90 / 50000 h, initial MacAdam ≤ 3 SDCM , MR 0.72, MDER 0.66 Optical: Reflector, UGR < 19, ≥65° <1500 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: non DIM, 81 W, PC1 220-240V, 108 lm/W, 34 W/m Physical: trimless, length 2420 mm, width 40 mm, height 75 mm, 3.6 kg Cutout: length 2408 mm, width 48 mm, min. ceiling thickness 8 mm, max. ceiling thickness 20 mm, recessed depth 76 mm 045-0728610R