LED ceiling surface-mounted downlight, trailing-edge phase dimmable, Round.Luminaire diameter 440.0 mm, Hight 50.0 mm Weight 2.342 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a plastic, opal cover.Luminous flux 3.750 lm, UGR < 25, Power 1 x 40 W, Light colour warm white to daylight white, Correlated color temprature (CCT) 3.000 - 6.000 K, Colour rendering index CRI > 80, Rated life time L70/B50 at 25 °C: 50.000 h, Housing material: Aluminium / Steel / Polystyrene, Colour: White, Permissible ambient temperature (ta): -20 °C - +25 °C, Protection class (EN 61140): I, Degree of protection (DIN EN 60529): IP20, shock resistance according to IEC62262: IK04 .With electronic driver, Trailing-edge phase dimmable.