8 slots for room automation modules type RS or RL, - Internal bus cable for connecting the room automation modules to the bus, - Separate connection compartment and strain relief for functional cables, - Two PE/N rails for laying the PE and N conductors of the functional cables, - Bus connection via bus terminal, - Built-in device with screw fastening, for installation under raised floors, on the wall, under the ceiling or in damp rooms, - Housing: plastic, - Protection class: IP54