Luminaire housing made of extruded aluminium profile; extremely slim design (only Ø 61 mm); light tight final end caps made of aluminium; no visible screws; surface black powder coated; suspended luminaire with 1500mm cable suspension; with integrated tool-less suspension height adjustment; spring clip attachment to the luminaire; freely positionable; incl. feeder cable; extruded profile for improved thermal management; high gloss reflector with faceted design; Reflector chrome; direct/indirect illumination characteristic; 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; UGR ≤ 13; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 1500 cd/m²; indirect light component with integrated PC boards and high quality lens system for maximum, homogeneous ceiling illumination; degree of protection IP20; PC1 220-240V; 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, Suspended, black, Reflector chrome, RAL9005, IP20, indirect 3450 lm, direct 3240 lm, total 6690 lm LED: 3000 K, CRI ≥ 80, L90 / 50000 h, initial MacAdam ≤ 3 SDCM , MR 0.56, MDER 0.51 Optical: Reflector, Symmetric, UGR < 13, ≥65° <1500 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 49 W, PC1 220-240V, 137 lm/W, 1 DALI Addr. Physical: length 1863 mm, width 60 mm, height 60 mm 074-5246538R