60717050 ARC ZF M 500-9TW LDO 3CD SP-WFL AZ LED spotlight, ARCOS ZF "Zoom Focus tunableWhite"; high-quality, flexible precision lens system for complete beam shaping (combination of zoom and focus); 2-channel tunableWhite technology for excellent colour contrast; for accent lighting in museums, exhibition spaces and art galleries up to 5m ceiling height; 150-800 lux on the object at a distance of 3m; Luminaire with L3+DALI adapter for DALI control (for Zumtobel 3-phase / L3+DALI track); Slave luminaire for DALI control (DALI only); Illuminance dimming 1-100 %; Use for Litecom and DT8 DALI control systems; Luminaire or spotlight with ZOOM beam characteristic: SPOT 15°- WIDEFLOOD 43° (Zoom attachment); simple, intuitive, infinitely variable adjustment of the zoom focus by means of an adjustment mechanism in the front ring; contour adjustable from sharp to soft, Colour rendering Ra > 92, colour temperature (tunable) 2700-5000 K, settable, ; colour mixing via special mixing rod; spectral range: 400-780 nm; Luminaire luminous flux: 600 lm, Luminaire efficacy: 31 lm/W; service life: 50000 h for luminous flux at 80%; flicker-free dimming, ; mains voltage: 220-240V/ 50/60Hz; recessed pivot; spotlight can be rotated 365° and swivelled 90°; fixing of axes of movement via Allen key; excellent glare limitation via the lens system; sustainable product design due to integrated control unit in the spotlight housing; front ring for optional accommodation of Oval lens, must be ordered separately; "Zoom attachment" can be exchanged for "Fix attachment" without tools, see Accessories; see the website for detailed photometric zoom data and optical radiation characteristics for museum objects (CIE157:2004); housing made of die-cast aluminium; surface: microtextured paint anthracite; lenses made of glass or acrylic glass; dimensions: Ø101 x 286 mm; weight: 1.82 kg; , ; note: wall mounting permissible only in conjunction with wall-mounting bracket (please order separately); must be installed in ceiling for use as point outlets. The optics, reflectors and accessories used can cause a shift in colour temperature due to the selected control unit.