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. Housing for the installation of 3 plug-in current transformers (order separately). For internal measurement up to 400 A, horizontal orientation. Combination with busbar system 250 A and 400 A possible. Voltage tap using screw connection M5. Cover locks for tool operation, sealable.