Patent ID: 6856503

Claim:
A control device with an electromagnetic switchgear apparatus, comprising: a switchgear apparatus housing, including a bottom wall forming a base area of the switchgear apparatus; and an electronic power module, electrically connected to the switchgear apparatus and including a module housing, wherein the switchgear apparatus serves as an electrical bridging unit, wherein the electronic power module is placed onto the switchgear apparatus on its side remote from the bottom wall, wherein a structural width of the power module does not exceed a width of the base area of the switchgear apparatus, wherein an internal space of the module housing includes three mutually insulated chambers, each with an electronic switching unit arranged therein, wherein the electronic switching units each include power semiconductors electrically connected back-to-back, clamped between two metal plates of relatively high thermal conductivity, with one of the metal plates being connected to a heat sink, and wherein a fan is arranged in each of the three chambers.