Brumberg BIRO CIRCLE 13690184. LED surface luminaire, DALI dimmable, Round.Luminaire diameter 600.0 mm, Hight 100.0 mm Weight 4.5 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a plastic, opal cover.Luminous flux 5.400 lm, Power 1 x 50 W, Light colour neutral white, Correlated color temprature (CCT) 4.000 K, Colour rendering index CRI > 80, Rated life time L70/B50 at 25 °C: 50.000 h, Rated life time L80/B50 at 25 °C: 50.000 h, Housing material: Aluminium / Steel / Plastic, Colour: Black structure, Permissible ambient temperature (ta): -20 °C - +25 °C, Protection class (EN 61140): I, Degree of protection (DIN EN 60529): IP40, .With electronic driver, DALI dimmable. BRUMBERG article number:13690184, GTIN:4251433940784