Modular frame panel, ZS 50, OT 80, hfr, labelling field, light grey. Frame panel for parapet duct, modular, can be aligned in a combination distance of 71 mm, cut-concealed to the upper section of the duct. For accommodating central panels, covers, rockers or adapter frames from installation switch ranges measuring 50 x 50 mm. Adapted to the outer contour of the parapet duct to reduce dirt deposits and to simplify cleaning. For use with aligned device boxes for parapet ducts, with reduced installation depth for flush closure with the closure contour of the parapet duct. Can be combined with socket panel for parapet duct using an optional intermediate piece. Integrated labelling field for mounting on the installation device or the device box, compatible with 9 mm labelling tapes.