Vacuum interrupter , having at least one insulating body , a fixed contact , a fixed-contact flange , a moving contact having a longitudinal axis , a moving-contact flange , a moving-contact bearing , and a bellows , wherein the fixed contact is arranged in a stationary manner in the fixed-contact flange , the moving contact is movably guided in the moving-contact bearing , and the moving contact is movably fastened to the moving-contact flange by the bellows , wherein the bellows is fastened to the moving-contact flange by a first bellows end , and the bellows is fastened to the moving contact by a second bellows end , wherein an increased pressure resistance of the vacuum interrupter against ambient pressures over 2 bar is achieved by a sleeve that is fixed on the moving contact , against movements along the longitudinal axis of the moving contact , and that is configured and passed through the moving-contact bearing in such a manner that the moving contact has a moving-contact rod and a moving-contact contact disk , wherein the sleeve is arranged on the moving contact in such a manner that the sleeve extends out from the second bellows end through the moving-contact bearing and is extended out from the bellows through the moving-contact bearing on the moving-contact flange , and the sleeve is fixed on the moving contact , by means of a fastening means , in such a manner that, during the movement of the moving contact , no relative movement along the longitudinal axis of the moving contact occurs between the moving contact and the sleeve , characterized in that the second bellows end is connected to the moving-contact rod via a bellows cap and the sleeve is fixed in position on the moving contact , in the region of the second bellows end and/or in the region of the bellows cap , by means of a press fit, latching, interlocking, soldering, welding, of a thickened portion of the moving contact not emulated by the sleeve . wherein an increased pressure resistance of the vacuum interrupter against ambient pressures over 2 bar is achieved by a sleeve that is fixed on the moving contact , against movements along the longitudinal axis of the moving contact , and that is configured and passed through the moving-contact bearing in such a manner that the moving contact has a moving-contact rod and a moving-contact contact disk , wherein the sleeve is arranged on the moving contact in such a manner that the sleeve extends out from the second bellows end through the moving-contact bearing and is extended out from the bellows through the moving-contact bearing on the moving-contact flange , and the sleeve is fixed on the moving contact , by means of a fastening means , in such a manner that, during the movement of the moving contact , no relative movement along the longitudinal axis of the moving contact occurs between the moving contact and the sleeve , characterized in that the second bellows end is connected to the moving-contact rod via a bellows cap and the sleeve is fixed in position on the moving contact , in the region of the second bellows end and/or in the region of the bellows cap , by means of a press fit, latching, interlocking, soldering, welding, of a thickened portion of the moving contact not emulated by the sleeve . <EOS>