A dust and moisture resistant LED luminaire, IP66. DALI/DSI dimmable DALI dimmable. Light distribution: medium wide beam. Protection class I. Luminaire housing: polycarbonate (PC), light grey. Diffuser: polycarbonate (PC), opal, with high transmission and refraction prisms. Patented EasyClick mechanism for clip-free mounting of the diffuser. For surface or suspended mounting. Quick fasteners for surface mounting included. Suitable for ceiling or wall mounting (both vertically and horizontally). Sets for chain, tension cable or mounting rail mounting are available as accessories. Suitable for through-wiring with H05VV or NYM cable (10 A). Ambient temperature: -20°C to +30°C. Including LED module with 4000K. Note: Before specifying for use in ambient atmospheres with chemical stress, high or condensing humidity and large temperature fluctuations, please contact your consultant. Dimensions: 1600 x 92 x 90 mm Lamp power: 55.5 W Lamp luminous flux: 7960 lm Lamp luminous efficacy: 143 lm/W Weight: 2.1 kg