Brumberg BIRO CIRCLE 13644183. LED pendant ring luminaire, direct/indirect, on/off switchable, Round.Luminaire diameter 1500.0 mm, Hight 100.0 mm, for pendulum mounting. Pendulum length max. 5000.0 mm Weight 12.0 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a plastic, opal cover.Luminous flux 21.128 lm, Power 1 x 225 W, Light colour warm white, Correlated color temprature (CCT) 3.000 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, on/off switchable. BRUMBERG article number:13644183, GTIN:4251433941729