Kit for a plug-in devices combination

The invention relates to a kit for a plug-in devices combination, which housing parts (102), the upper housing parts (202) and mounting plates (301, 302). The mounting plates (301, 302) can be mounted and be configured to accommodate different types and numbers of plug-in devices selectively in similar mounting holes (214) of the upper housing parts (202). Furthermore, the mounting plates can also be configured as window elements.