60715373 ARC ZF L 500-930 LDO 3CD SSP-SP AZ LED spotlight, ARCOS ZF "Zoom Focus stableWhite"; high-quality, flexible precision lens system for complete beam shaping (combination of zoom and focus) with low stray light component and high contrast on the object (uniform light intensity within the light cone); for accent lighting in museums, exhibition spaces and art galleries up to 7m ceiling height; 150-800 lux on the object at a distance of 6m; 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 %; lamp(s): LED500-930, Luminaire or spotlight with ZOOM beam characteristic: SUPERSPOT-SPOT (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 > 90, colour temperature 3000 K; Chromaticity tolerance (initial MacAdam): 2; spectral range: 380-780 nm; Luminaire luminous flux: 450 lm, Luminaire efficacy: 30 lm/W; service life: 50000 h for luminous flux at 90%; 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 also for optional accommodation of Oval lens, must be ordered separately; "Zoom attachment" can be exchanged for "Fix attachment" or "Superspot Soft Cone 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: Ø121x340 mm; weight: 2.75 kg; {Wireless Definition}, {Wireless Frequenz}, {Wireless Sendeleistung} Note: wall mounting permissible only in conjunction with wall-mounting bracket (please order separately); must be installed in ceiling for use as point outlets.