Apollon 2, office lamp, primary lighting technology. Cover: microprismatic cover, made of PMMA, BAP65 (Lmax 3000cd/m²), light emission: direct beam, primary light characteristic: symmetrical, mounting type: lay-in mounting, LED rated luminous flux: 4,000 lm, light color: 840, color temperature: 4000K, ballast: EVG-DALI, with Linect, 50/60Hz, rated power: 38W, housing, made of aluminum, traffic white (RAL 9016), module: M625, length: 622 mm, width: 622 mm, height: 40mm, housing top, made of sheet steel, galvanized, protection class (total): IP20, protection class (lamp compartment, room side): IP50, protection class (total): SK II (safety insulated), test mark: ENEC, permissible ambient temperature for indoor areas: -20..+40°C