42190674 ECOOS2 3500-Z40 MSP L12 MPO LDE Surface-mounted and pendant LED luminaire with MPO micropsimatic optic; DALI controllable luminaire with LED converter; LED service life lasts 50000 h before luminous flux is reduced to 70% of the initial value. Chromaticity tolerance (initial MacAdam): 2. Luminaire luminous flux: 3490 lm, Luminaire efficacy: 95 lm/W. Colour rendering Ra > 90, colour temperature 4000 K (Zumtobel Spectrum). Light guided via MPO-plus micro-pyramidal optic with multi-layer construction for defined light emission with UGR < 19 and L< 3000 cd/m² at 65° for computer screen applications; gear tray made of extruded aluminium section white, painted; luminaire comprises optic and gear tray; please order design end caps (available in various colours) and suspension kit separately. Luminaire wired with halogen-free leads. glow-wire test: 650°C; {Wireless Definition} {Wireless Frequenz} {Wireless Sendeleistung} Dimensions: 1264 x 120 x 76 mm, weight: 3.7 kg