The utility model particularly relates to a device is administered to plug -in electric energy, including shells assembly, IGBT subassembly, filter component, control assembly and terminal subassembly, shells assembly is inside including panel, bottom plate, backplate, control installation board, intermediate bottom and apron, the IGBT subassembly includes energy storing board, radiator upper plate, radiator and drive assembly, the filter band subassembly comprises filter band, control assembly includes interface board and main control board, the terminal subassembly is including once move plug -in components and the secondary moves plug -in components, the middle part in the casing is arranged in to control installation board, intermediate bottom and radiator upper plate, will the electric energy is administered the device and is divide into two -layer wind channel from top to bottom, radiator and filter component install in the lower floor wind channel, one, the secondary moves plug -in components at the device back for make up respectively with one on the cabinet body, the quiet plug -in components of secondary. The utility model discloses can unify effective heat dissipation to one, the secondary terminal is the plug -in terminal, and equipment fixing and maintenance time are saved in easy to assemble and maintenance.