Square LED surface-mounted light in IP54 with opal cover. Light output: 42.2 W, DALI controllable light with LED converter. LED lifespan of 50,000 hours with a light output reduction to 90% of the initial value. Color tolerance (initial MacAdam): 3. Luminous flux: 5490 lm, luminous efficacy: 130 lm/W. Color rendering index Ra > 80, color temperature 4000 K. Despite the highest quality controls, noticeable color differences may occur between the lights when applied in clusters due to the defined tight binning. To achieve a homogeneous appearance, it is recommended to consult a lighting advisor when planning to install in clusters. Integrated LED module with ESD protection. Housing made of pre-painted, profiled steel sheet, white, with an injected opal polymethyl methacrylate cover with impact resistance: IK03. High-quality continuously foamed hydrophobic polyurethane seal; special cable routing for IP54. Installation using the included slotted washers. The light can be used as a safety light in centrally powered emergency lighting systems. Permissible ambient temperature: -20 °C to +25 °C. Light is halogen-free wired. Note: For use in chemically aggressive environments or outdoors, please consult your advisor. Dimensions: 620 x 620 x 90 mm; Weight: 7.5 kg.