Novel molded case circuit breaker

The utility model discloses a novel molded case circuit breaker which comprises a circuit breaker body, and the top surface and the bottom surface of the circuit breaker body are correspondingly provided with fixing columns which can be ejected upwards and downwards; each fixing column is sleeved with a nut, the fixing columns are matched with the nuts through threads, and the nuts are installed on the circuit breaker body in a rotating mode. Compared with the prior art, the novel molded case circuit breaker provided by the utility model adopts a novel mounting structure, and can be fixed in the mounting groove through the fixing columns ejected from the upper side and the lower side after the foundation structure is slotted, so that the novel molded case circuit breaker is stronger in adaptability. 本实用新型公开了一种新式塑壳断路器，包括断路器本体，所述断路器本体的顶面和底面上相应的设有可向上和向下顶出的固定柱；每个固定柱上套装有一个螺母，固定柱与螺母通过螺纹配合，所述螺母转动安装于断路器本体上；本实用新型的一种新式塑壳断路器，与现有技术相比，采用了新式的安装结构，在基础结构上开槽后，可通过上下两侧顶出的固定柱固定在安装槽内，适应性更强。