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 each other. 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 circuit breaker 630 A, 3-pole, according to IEC 60947-2. With PE and N terminals and removable bridge between PE and N. With overload and short-circuit release. Handle of the circuit breaker can be locked. Cover locks for tool operation. Cable entry only possible via mounting flanges.