Installation kit, univ. FW, with top hat rails, for field distributor UP 3-row, 450x250mm, QC. Installation field for small installation distributors flush-mounted according to DIN EN 61439-1/-3 (VDE 0660-600-1/-3), according to dimensional standard DIN 43871, for installation of devices up to 125 A, support rails made of profiled and galvanized sheet steel, device support rails made of galvanized sheet steel with contact protection cover.