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 with fuse switch disconnector NH 1, 3-pole, according to IEC 60947-3 on busbars. Without supply terminals. With PE and N terminals and removable bridge between PE and N. Connection direction can be changed. Cover locks for tool operation.