Housings for the construction of power switchgear combinations up to 630 A or as individual housings. Made of high-quality polycarbonate with protective insulation. Wall feedthroughs 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. Housings for wall mounting also via external brackets or with mounting rails. Ready-to-connect main line distributor for the pre-meter area, sealable, with 2 fuse bases NH 1, 3-pole, on 5-pole busbar system 400 A. Use in the unmetered area after consultation with the local network operator.