Square suspended luminaire, consisting of single L-shaped elements; luminaire housing with rounded edges in aluminium; extremely flat design (only 15mm); modern shape in elegant design for discerning requirements; surface black powder coated; luminaire with 1500 mm cable suspension; with integrated tool-less suspension height adjustment; incl. feeder cable; direct light distribution through LGP body (Light Guiding Prism); side coupled light directed downwards by laser engraving; light control via highly reflective reflector material; indirect light component with special PCBs for increased luminous flux and maximum ceiling illumination; microprismatic PMMA cover; completely homogeneous illumination; UGR ≤ 19; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 3000 cd/m²; 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; canopy with 2 cable openings and plug-in terminal for through wiring; 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; sound absorbing accessories available; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Suspended, black, RAL9005, IP20, indirect 8050 lm, direct 15500 lm, total 23600 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 < 19, ≥65° <3000 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 197 W, PC1 220-240V, 120 lm/W, 8 DALI Addr. Physical: cable 1500 mm, length 1535 mm, width 1535 mm, height 36 mm 059-5283138K