Round LED damp-proof luminaire 41.5W, DALI controllable luminaire (DALI only) with LED converter, LED service life 50,000 hours until a luminous flux drop to 90% of the initial value. Color tolerance (initial MacAdam): 3. Luminaire luminous flux: 5710 lm, luminaire luminous efficacy: 138 lm/W. Color rendering Ra > 80, color temperature 4000 K. Primary optics optimized for LED technology. Transparent trough made of polycarbonate (PC), variable feed, transparent cover made of polycarbonate (PC), UV stabilized with internal prisms, mounting via V2A retaining springs on the ceiling or wall. Translucent white reflector. Fasteners made of stainless steel. Fasteners/light insert pre-assembled. 850°C glow wire tested, approved for use indoors or covered outdoor areas (see installation instructions). Ambient temperature: -20°C to +35°C. Note: Please contact your consultant before specifying for use in ambient atmospheres with chemical stress, high or condensing humidity and large temperature fluctuations. 850°C glow wire tested. Lamp wired halogen-free and silicone-free. Protection type: IP65, protection class: SC1. Dimensions: 680 x 142 mm, weight: 6.3 kg.