42187567 CR2PL M17k-840 PC NB LDO WH LED high-bay luminaire for highly difficult applications, including LED converter, Slave luminaire for DALI control (DALI only), housing made of high quality, corrosion resistant die-cast aluminium, powder coated in colour white. Venturi air nozzles for excellent thermal management and dust minimisation. Cover made of high quality, impact-resistant and UV-stabilised polycarbonate (PC), for use in demanding applications in industry, logistics and sports. Chromaticity tolerance (initial MacAdam): 2. Luminaire luminous flux: 17420 lm, Luminaire efficacy: 176 lm/W Colour rendering Ra > 80, colour temperature 4000 K. glare-free lighting: UGR < 25 (EN 12464:2011). Sealed optical lens system. Lenses with diagonal dome structure for maximum efficiency. Luminaire with symmetric narrow light distribution (narrow beam). Pre-assembled 2m long 5 x 1 mm² connection cable for very high continuous temperatures (halogen-free, flame-retardant). Vibration resistant (EN 60598-1:2015/IEC 60598-1:2017 Ed. 8.1). LED risk group RG0 (IEC/EN 62471), luminaire wired with halogen-free leads, silicone-free. Note: please contact your consultant if you are planning to use in ambient atmospheres with chemical load, high or condensed air humidity or large temperature fluctuations. Protection class: SC1; degree of protection: IP66; ambient temperature: -40°C to +60°C; Dimensions: 518 x 414 x 109 mm. Weight: 7 kg.