Luminaire housing made of aluminium with rounded edges; extremely flat (only 15mm) and slim (only 180mm) design; modern shape in an elegant design for high demands; for continuous lighting systems; surface white powder coated; with integrated tool-less suspension height adjustment; convenient quick mounting system without tools; direct/indirect light distribution by LGP body (Light Guiding Prism); side coupled light, directed up and down by laser engraving; light control via highly reflective reflector material; microprismatic PMMA cover; completely homogeneous illumination; same light density for all surface lights with the same components; UGR ≤ 19; VDU compatible workplace luminaire according to DIN EN 12464-1; luminance above 65° ≤ 3000 cd/m²; light colour: tunable white diodes (2700-6500 K); CRI ≥ 80; min. 85% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; 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; accessories are listed separately; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Suspended, white, RAL9010, IP20, indirect 706 lm, direct 4110 lm, total 4820 lm LED: tunable white, 2700 K - 6500 K, CRI ≥ 80, L85 / 50000 h, photobio. safety RG 0 - no Risk, MR 1.01, MDER 0.92 Optical: Microprismatic, UGR < 19, ≥65° <3000 cd/m², PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 40 W, PC1 220-240V, 121 lm/W, 1 DALI Addr. Physical: length 2315 mm, width 180 mm, height 34 mm, 6.7 kg 059-5758D37K