Series: HELEDON maxi Cylindrical surface-mounted downlight. Housing made of die-cast aluminium, powder-coated. Internal ceiling frame polycarbonate with bayonet mounting. Black plastic ring and recessed LED to prevent glare from the side. Optical assembly with reflector made of MIRO-Silver with 98% total light reflection for outstanding efficiency - can be changed without tools. Best colour rendering index Ra>90. Suitable for Ceiling mounting. Easy installation with a separate ceiling frame with bayonet mounting and plug connection. Driver integrated. Connected via plug-in connector. High quality converter without flickering and stroboscopic effect. The following accessories can be mounted without use of tools: interchangeable lenses, decorative glasses, honeycomb louvre, clear and frosted diffusers, white interchangeable plastic ring. Colour: silver Diameter: 123 mm Height: 183 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 90 System power: 26 W Rated luminous flux: 3600 lm Beam angle Down: 21° Luminous efficiency: 138 lm/W Control gear: Converter, dimmable, DALI Protection class: I Type of protection: IP 20