Brumberg BIRO CIRCLE 13574168. LED surface mounted ring light, direct, DALI dimmable, Round.Luminaire diameter 1500.0 mm, Hight 100.0 mm Weight 12.0 kg, with rotattionssymmetrical, deep, wide distributed light intensity. Cover plastic, opalLuminous flux 9.681 - 9.985 lm, Power 1 x 105 W, System Efficiency 95 lm/W, Light colour warm white to daylight white, Correlated color temprature (CCT) 2.700 - 6.500 K, Colour rendering index CRI > 90, Rated life time L70/B50 at 25 °C: 276.000 h, Rated life time L80/B20 at 25 °C: 153.000 h, Housing material: Aluminium / Steel / Plastic, Colour: silver structure, Permissible ambient temperature (ta): -20 °C up to +25 °C, Protection class (EN 61140): I, Degree of protection (DIN EN 60529): IP20. With electronic driver, DALI-DT8 dimmable. BRUMBERG article number: 13574168 , GTIN: 4251433959861