Brumberg BIRO40 77023088. LED recessed profile BIRO40, Rectangular. Ceiling installation by cross-lot screwdriver using Ph2. Ceiling cut-out L x W 1148 x 45 mm, Installation depth 110 mm, Length 1.158 mm, Width 59 mm, Weight 2,500 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a microprismatic cover. Luminous flux 1.520 lm, UGR < 19, Power 17,9 W, System Efficiency 85 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: 65000 h, Rated life time L80/B50 at 25 °C: 70000 h, Housing material: Aluminium / Acrylic, Colour: Black, Permissible ambient temperature (ta): -20 °C - +25 °C, Protection class (EN 61140): I, Degree of protection (DIN EN 60529): IP20. With electronic driver, DALI dimmable. BRUMBERG article number: 77023088 , GTIN: 4251433933991