A vacuum interrupter for interrupting a voltage. The vacuum interrupter including a vacuum bottle housing and at least one vacuum bottle positioned within the vacuum bottle housing. The vacuum interrupter further including a seal between the vacuum bottle housing and an operating mechanism. The seal sealing the operating mechanism from an interior of the vacuum bottle. Wherein the seal includes an end coupled to the vacuum bottle housing. The vacuum interrupter further including a gasket positioned between the seal and the vacuum bottle housing. The gasket having an inner diameter configured to receive the end of the seal and extend radially outward from end of the seal.