LED high bay luminaire for the most difficult applications, luminaire output: 167.4 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 clear polymethyl methacrylate (PM) with high breaking strength and optimized stress crack resistance, with excellent chemical and UV resistance for demanding industrial applications and animal husbandry. LED service life 100,000 h until luminous flux drops to 80% of the initial value. Color locus tolerance (initial MacAdam): 2. Luminaire luminous flux: 24,640 lm, luminaire luminous efficacy: 147 lm/W color rendering Ra > 80, color temperature 4000 K. Glare control: UGR < 28 according to EN 12464:2011. Closed optical lens system. Lenses with diagonal dome structure for maximum efficiency. Symmetrical, very 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 RG1 (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: -10°C to +45°C, dimensions: 518 x 414 x 109 mm. Weight: 7 kg.