Brumberg BIRO CIRCLE 13555188CA. LED pendant ring light, direct, dimmable, Round.Luminaire diameter 450.0 mm, Hight 100.0 mm, for pendulum mounting. Pendulum length max. 5000.0 mm Weight 3.0 kg, with rotattionssymmetrical, deep, wide distributed light intensity. Cover plastic, opal, Luminous flux 6.243 lm, Power 1 x 45 W, System Efficiency 139 lm/W, Light colour warm white to daylight white, Correlated color temprature (CCT) 2.700 - 6.500 K, Colour rendering index CRI > 80, 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: Black structure, Permissible ambient temperature (ta): -20 °C - +25 °C, Protection class (EN 61140): I, Degree of protection (DIN EN 60529): IP20. With electronic driver, Casambi dimmable. BRUMBERG article number:13555188CA, GTIN:4251433962984