Brumberg BIRO40 77004084. LED recessed profile BIRO40, Rectangular. Ceiling installation by cross-lot screwdriver using Ph2. Ceiling cut-out L x W 2268 x 45 mm, Installation depth 110 mm, Length 2.278 mm, Width 59 mm, Weight 3,790 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a microprismatic cover. Luminous flux 3.230 lm, UGR < 19, Power 35,8 W, System Efficiency 90 lm/W, Light colour neutral white, Correlated color temprature (CCT) 4.000 K, Colour rendering index CRI > 90, Rated life time L70/B50 at 25 °C: 60000 h, Rated life time L80/B50 at 25 °C: 60000 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, on/off switchable. BRUMBERG article number: 77004084 , GTIN: 4251433933793