LED surface-mount luminaire with IP50 rating and opal diffuser. Luminaire input power is 29.6 W, and it is DALI controllable with an LED converter. The LED service life lasts 50,000 hours before the luminous flux is reduced to 95% of the initial value. Chromaticity tolerance (initial MacAdam) is 3. The luminaire luminous flux is 3,790 lm, with an efficacy of 128 lm/W. Colour rendering is Ra > 80, and the colour temperature is 4000 K. It features integrated ESD protection for the LED module. The housing is made of pre-painted, roll-formed sheet steel in white, with an injection-moulded diffuser made of opal polymethylmethacrylate, which has an impact strength of IK03. Edges are sealed with high-quality foamed, water-repellent polyurethane seal; installation is done using slotted washers and spacers supplied with the product. Approved ambient temperature ranges from -20°C to +25°C. The luminaire is wired with halogen-free leads. Please consult your adviser if you plan to use the luminaire in environments containing chemical pollutants or for outdoor use. Dimensions are 1220 x 120 x 91 mm, and the weight is 2.5 kg.