摘要：【中文】本发明公开了一种断路器及其弹簧操动机构用储能保持合闸脱扣系统，储能保持合闸脱扣系统包括：基座；一级保持挚子，一级保持挚子通过销轴a转动连接在所述基座上，一级保持挚子的第一端具有扣接部a和用于与弹簧操动机构的弹簧连动末端抵接的缺口a；二级保持挚子，所述二级保持挚子的中间部位通过销轴b转动连接在所述基座上，所述二级保持挚子的第一端具有能够与所述扣接部a相抵的扣接部b，所述二级保持挚子的第二端具有扣接部c；合闸脱扣挚子，合闸脱扣挚子通过销轴c转动连接在所述基座上，所述合闸脱扣挚子上设置有能够与所述扣接部c扣接的扣接部d和用于接收外力以转动的受力件。该弹簧操动机构用储能保持合闸脱扣系统可靠性较强。 【EN】The invention discloses a circuit breaker and an energy storage maintaining closing tripping system for a spring operating mechanism thereof, wherein the energy storage maintaining closing tripping system comprises: a base; the first-stage holding latch is rotatably connected to the base through a pin shaft a, and a first end of the first-stage holding latch is provided with a buckling part a and a notch a which is used for being abutted against the spring linkage tail end of the spring operating mechanism; the middle part of the second-stage holding latch is rotatably connected to the base through a pin shaft b, a buckling part b capable of being abutted against the buckling part a is arranged at the first end of the second-stage holding latch, and a buckling part c is arranged at the second end of the second-stage holding latch; the closing tripping mechanism comprises a closing tripping pawl which is rotatably connected to the base through a pin shaft c, and a buckling part d which can be buckled with the buckling part c and a stress part which is used for receiving external force and rotates are arranged on the closing tripping pawl. The spring operating mechanism keeps the reliability of a closing and tripping system stronger by using stored energy.