Empty distribution housing, UL approved, material polycarbonate, impact resistant, protection class IP65, patented lid lock with integrated overpressure compensation, fitted with removable smooth flanges on all 4 side walls, sealable lid locks, RAL 7035, grey (base box), transparent smoke grey (lid), installation depth with mounting plate = 250mm, lid design: transparent smoke grey, lower part design: UL flanges all around