Abstract: The invention discloses an unenclosed electrical machine (EM), comprising: —a stator (ST), within which there is a cavity (HR); —an insulating sheath (IU), which seals off an outer circumferential surface (UF) and at least one side face (SF1) of the stator (ST) in a media-tight manner; —at least one end shield (LS1, LS2), which is arranged on the side face (SF1) of the stator (ST) and delimits the cavity (HR) on one side; —at least one sealing arrangement (DA), which is arranged between the insulating sheath (IU) and the at least one end shield (LS1, LS2), and seals off the cavity (HR) from the surroundings in a media-tight manner.