LED Free-standing luminaire in silver, powder coated square luminaire head with indirect/direct light distribution; total power: 58 W, Luminaire with SwitchDim light control with LED converter; LED service life lasts 50000 h before luminous flux is reduced to 70% of the initial value. Chromaticity tolerance (initial MacAdam): 3. Luminaire luminous flux: 7550 lm, Luminaire efficacy: 130 lm/W. Colour rendering Ra > 80, colour temperature 3000 K. Direct/indirect light cannot be controlled separately; low-profile luminaire head of aluminium with circumferential seam and mounted on side of luminaire stand; high luminaire efficiency and low installed load; uniformly illuminated optic with high direct light component for efficient illumination of work surface; featuring integral MPO+ light-guidance technology (micro-pyramidal optic in multi-layer construction) made of polymethylmethacrylate with defined emission and glare control according to EN12464, Lambertian indirect light distribution for uniform operation. Rocker switch integrated in luminaire head for operation. End cap cannot be removed (LED touch protection). U-formed base of steel for flexible positioning and good stability; slender aluminium stand; dimensions of luminaire head 740 x 380 x 50 mm; dimensions of stand 55 x 30 mm, dimensions of base 450 x 340 x 15 mm; 3 m-long connection cable Ø 5.7 mm² with safety plug acc. to DIN 49441 Form R2; luminaire components packed separately. Luminaire wired with halogen-free leads. Supply line not halogen-free.. Weight: 17.4 kg