A high power connector comprises an electricity conductive element of substantially elongated conformation and provided with a first end portion electrically connectable to a power electronic circuit of a power electronic apparatus and with a second end portion provided with an electrical connection terminal, the conductive element being insertable inside a through opening made on the cover with said terminal facing outwards, wherein the connector comprises a locking element made of an electrically insulating material that can be coupled with the conductive element and fixable to the outer surface of the cover.