Square LED surface-mounted luminaire in IP50 with opal cover. Luminaire power: 42.2 W, DALI controllable luminaire with LED converter. LED service life 50,000 hours until a luminous flux drop to 90% of the initial value. Color tolerance (initial MacAdam): 3. Luminaire luminous flux: 5490 lm, luminaire luminous efficacy: 130 lm/W. Color rendering Ra > 80, color temperature 4000 K. Despite the highest quality controls, the defined narrow binning can lead to noticeable color differences between the luminaires when used in a cluster. In order to achieve a homogeneous appearance despite this, it is recommended to consult a lighting consultant if you intend to install in a cluster. Integrated ESD protection for the LED. Housing made of pre-painted, profiled sheet steel, white, spray-molded cover made of opal polymethyl methacrylate with impact resistance: IK03. High-quality, all-round, foamed, hydrophobic seal made of polyurethane, installation using the slotted discs provided. The light can be used as a safety light in centrally supplied emergency lighting systems. Permissible ambient temperature: -20°C to +25°C. The light is wired halogen-free. Note: If used in chemically contaminated ambient atmospheres or outdoors, please consult your consultant. Dimensions: 620 x 620 x 90 mm, weight: 7.5 kg.