Hexagonal light fitting from aluminium profile; seamlessly welded; surface black powder coated; suitable for ceiling mounting; convenient quick mounting system without tools; suitable for single or group installation; can be combined with all HEX-O ceiling and TRIG-O ceiling luminaires and acoustic elements; highly reflective coating for improved efficiency; completely homogeneously illuminated, satinised PMMA cover; same luminance for all size versions; 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; luminaire 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 HEX-O ABSORBER available as an accessory; accessories are listed separately; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Surface, black, RAL9005, IP20, 2290 lm LED: 4000 K, CRI ≥ 80, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , MR 0.72, MDER 0.66 Optical: Opal, UGR < 22, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 16.3 W, PC1 220-240V, 140 lm/W, 1 DALI Addr., minimum cable length on-site 0.5 m Physical: length 500 mm, width 433 mm, height 100 mm, 5.5 kg 073-6151638O