Miniature circuit breaker claps and box -like wink moves protection mechanism

The utility model provides a miniature circuit breaker claps and box -like wink moves protection mechanism, it includes current conducting plate (1), its characterized in that of: current conducting plate (1) and yoke (2) dress together can make yoke (2) to produce magnetic field when changing the electric current in current conducting plate (1), and yoke (2) top is provided with armature (3), and the magnetic field that armature (3) were produced by yoke (2) can wind armature shaft (4) rotation, and armature (3) are connected with reset spring (5) can make it reset, be provided with hasp unblock portion (301) on armature (3). The utility model discloses produce magnetic field when not needing the coil to realize the current conveyance and realize short -circuit protection function, avoided along with the improvement of housing frame grade needs to increase the drawback that the coil enlarges the circuit breaker volume. 种小型断路器拍合式瞬动保护机构，它包括导电板(1)，其特征在于：所述导电板(1)和磁轭(2)装在起，导电板(1)中通过变化电流时能够使磁轭(2)产生磁场，磁轭(2)上方设置有衔铁(