SITOP

electrical power units comprised of switchgear and control cubicles; housing systems for electrical switchgear and control cubicles comprised of device supporting plates, racks and sectional uprights that can be arranged in any desired combination; subracks comprised of sidepanels, cross-members, locking bars, support bars and guide rails that can be arranged in any combination; plug-in connect modules that can be arranged in any combination for plugging in and/or combining printed circuit boards; power supply systems consisting of a combination of the goods set forth above