Series: HB 506 Ceiling and wall luminaire with slim design. Housing: plastic (polycarbonate). Diffuser: plastic (polycarbonate), opal. Base and diffuser are sealed together. MultiColour: Colour temperature adjustable via switching element. Choice of 3000 K or 4000 K. Factory setting is 3000 K. Quick mounting adapter galvanized steel sheet, with fastening screws. Driver integrated. Colour: white Length L: 260 mm Width B: 260 mm Height H: 53 mm Lamp: LED Socket: without socket Colour temperature: 3000K, 4000K Colour rendering index (CRI):80 System power 1: 18 W Rated luminous flux 1: 1700 lm Luminous efficiency: 94 lm/W System power 2: 18 W Rated luminous flux 2: 1800 lm Luminous efficiency 2: 100 lm/W Control gear: EB Protection class: I Type of protection: IP 20