Housing for the construction of power switchgear combinations up to 630 A or as a single housing. Made of high-quality polycarbonate with protective insulation. Wall bushings with large openings for the electrical connection of the housings to one another. Cable entry on all housing walls via metric knockouts or mounting flanges. Housing for wall mounting also via external brackets or with mounting rails. Busbar housing with adapters for the installation of 2 main circuit breakers (SH switches) on a mounting rail. Without supply terminals, only suitable for combination. With PE and N terminals, sealable contact protection and lockable cover strips. Cover locks for tool operation.