Patent ID: 7852617
Filing Date: 2010-12-14
Classification: H01H

Abstract:
1. A main circuit terminal assembly for a vacuum circuit breaker which is electrically connected to a vacuum interrupter, the main circuit terminal assembly comprising: a clamp configured to electrically connect a movable unit of the vacuum interrupter, the clamp including a pair of conductors configured to support the movable unit by clamping; a heat sink fixed to a surface of the clamp so as to increase a surface area of the clamp; a flexible shunt having one end thereof electrically and mechanically connected to the clamp, and the flexible shunt including a flexible conductor configured to allow the movable unit to move; a terminal block electrically and mechanically connected to the other end of the flexible shunt, and configured as an electrical conductor; a contactor unit electrically connected to the terminal block and having a plurality of clip-shaped contactors; and the heat sink positioned in a space defined by the one end of the flexible shunt and the surface of the clamp.