A vacuum interrupter for interrupting a voltage. The vacuum interrupter including a vacuum bottle, a hi-stable mechanism, and a bellows assembly. The vacuum bottle having axially separable contacts, wherein at least one of the contacts is a moveable contact. The bi-stable mechanism including an actuator, and a cam pivotable by the actuator, the cam moving the moveable contact. The bellows assembly reciprocating the moveable contact to prevent arcing between the contacts. The bellows assembly including a spring biasing the contacts apart from each other.