The invention relates to a rack for a switchgear cabinet arrangement, comprising a main frame that includes four vertical profiled struts and eight horizontal profiled struts, four of said profiled struts forming a rectangular rack frame (4) having a constant cross-section; the rack frame has a peripheral receptacle which is formed by at least two sides of the profiled struts and which is open towards an external side of the rack frame; the disclosed rack is characterized in that a rectangular additional frame is inserted into the receptacle.