Series: FLAT POLYMERO KREIS Decorative round surface-mounted luminaire. Base: metal, powder-coated. Diffuser made of non-yellowing plastic (PMMA), opal. Diffuser fastening: patented push system. Suitable for Ceiling mounting, Wall (surface). Colour: white Diameter: 515 mm Height: 98 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 80 System power: 24 W Rated luminous flux: 2550 lm Beam angle Down: 124° Luminous efficiency: 106 lm/W Control gear: Regulated power supply Protection class: I Type of protection: IP 40