Against abrasion's high voltage circuit breaker

The utility model relates to the field of machinary, especially, relate to an against abrasion's high voltage circuit breaker. Contain the circuit breaker body, the circuit breaker body contains the axis of rotation, contains two opening in the axis of rotation, still contains the card of arranging at circuit breaker body avris, the card can block in the opening in the time of the axis of rotationpivoted, its characterized in that, the card border contains the reinforcement, the thickness of reinforcement is greater than the thickness at other positions of card. Beneficial effect: behind repetitious usage, because the tip of card is worn and torn, the structure of heavy gauge is wear -resisting for holistic structure is not is not worn and torn, and life is longer, extension life. 本实用新型涉及机械领域，尤其涉及种防止磨损的高压断路器。包含断路器本体，所述断路器本体包含转动轴，转动轴上包含两个豁口，还包含布置在断路器本体边侧的卡片，所述卡片在转动轴转动的时候，能卡在豁口中，其特征在于，所述卡片边沿包含加厚部分，所述加厚部分的厚度大于卡片其他部位的厚度。有益效果：当多次使用后，由于卡片的端部被磨损，大厚度的结构耐磨，使得整体的结构不被磨损，使用寿命更长，延长使用寿命。