The Rittal CP support section CP 120 attachment to the connection component with 4 self-tapping screws in the screw channel. It may be cut to any required length, no thread-tapping required. The open cable duct for easy servicing access and for pre-assembled cables with connectors, lockable via cover section. It has X-shaped profiling for greater load capacity, large cable routing channel. The upper channel adequate for cable with large connector and available/usable throughout the entire system.