LED high bay luminaire for the most difficult applications, luminaire power: 73.6 W, including LED converter, DALI controllable luminaire (DALI only), housing made of high-quality, corrosion-resistant die-cast aluminum, powder-coated in white. Venturi air nozzles for excellent thermal management and dust minimization. Cover made of high-quality, impact-resistant and UV-stabilized polycarbonate (PC), for use in demanding applications in industry, logistics and sports. LED service life 100,000 hours until the luminous flux drops to 90% of the initial value. Color location tolerance (initial MacAdam): 2. Luminaire luminous flux: 13460 lm, luminaire luminous efficacy: 183 lm/W Color rendering Ra > 80, color temperature 4000 K. Glare control: UGR < 22 according to EN 12464:2011. Closed optical lens system. Lenses with diagonal dome structure for maximum efficiency. Symmetrical wide beam light. Pre-assembled 2 m long connection cable 5 x 1 mm² for very high continuous temperatures (halogen-free, flame-retardant). Vibration-proof (EN 60598-1:2015 / IEC 60598-1:2017 Ed. 8.1). LED risk group RG0 (IEC/EN 62471), light wired halogen-free and silicone-free. Note: Before specifying for use in ambient atmospheres with chemical stress, high or condensed humidity, large temperature fluctuations, contact your consultant. Protection class: SC1, protection type: IP66, ambient temperature: -40°C to +65°C, dimensions: 518 x 414 x 109 mm. Weight: 7 kg.