Installation manifold assembly

It is a service distribution arrangement with miniature circuit breakers (10), residual current circuit breakers, on an insulating housing (16) are each lined fastened described, are housed in the busbar (19). On the mounting side of the busbars (19) the contact elements (18) are mounted, which can be brought to the busbars (19) by plug-in technology in conjunction. On mounting base and at the insulating housing are means (20, 21, 22) provided for achieving uniqueness during insertion.