The invention relates to a power electronic switching system (1) having a plurality of switching units (2) and having an assembly unit (3), wherein the assembly unit (3) comprises a holding device (4) on which the switching units (2) are arranged. The holding device (4) comprises an insulating material for electrically insulating the holding device (4) with respect to the switching units (2) and with respect to the switching units (2) among one another.
