LED surface-mounted luminaire in IP50 with clear cover and luminance-reducing optics (LRO). Luminaire power: 37.4 W, with LED converter. LED service life 50,000 hours until a luminous flux drop to 90% of the initial value. Color location tolerance (initial MacAdam): 3. Luminaire luminous flux: 4500 lm, luminaire luminous efficacy: 120 lm/W. Color rendering Ra > 80, color temperature 4000 K. Integrated LED module ESD protection. Housing made of pre-painted, profiled sheet steel, white, spray-molded cover made of clear polymethyl methacrylate with impact resistance: IK03. High-quality, all-round, foamed, hydrophobic seal made of polyurethane, assembly using the enclosed slotted discs and spacers. Cable space for through-wiring. Luminaire wired halogen-free. Note: If used in chemically contaminated ambient atmospheres or outdoors, please consult your consultant. IP50 Dimensions: 1520 x 120 x 91 mm, Weight: 4.1 kg.