Installation unit for building systems has freely mountable channel with open side, functional module boxes for insertion into open side, and cover elements for places without boxes

摘要

The unit has a freely mountable installation channel (1) with an open side, at least one installation box (13) that can be inserted into the open side of the channel for accommodating functional modules (26,28) and cover elements (10) for covering the open side of the channel where there are no installation boxes. The installation boxes have mains stages for supplying the functional modules.