Brumberg BIRO CIRCLE 13931163CA. LED pendant ring luminaire, direct, dimmable, Round.Luminaire diameter 750.0 mm, Hight 35.0 mm, for pendulum mounting. Pendulum length max. 5000.0 mm Weight 6.0 kg, with rotattionssymmetrical, deep, wide distributed light intensity. Cover plastic, opalLuminous flux 5.573 lm, Power 1 x 55 W, Light colour warm white, Correlated color temprature (CCT) 3.000 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, Casambi dimmable. Brumberg article number: 13931163CA, GTIN: 4251433969761