Patent ID: 11972919
Assignee: ZHEJIANG CHINT ELECTRICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The plug-in circuit breaker according to claim 1, wherein said locking member is installed inside said housing in a linear movement mode, a direction of linear movement thereof is perpendicular to an installation-insertion direction of the plug-in circuit breaker, an elastic member is connected between said locking member and said housing, an elastic force of said elastic member actuates said locking protruding stand of said locking member to extend out of said housing, when said button mechanism is in the opening position, an external force for retraction is applied on said locking member, so that said locking member overcomes the elastic force of said elastic member to retract said locking protruding stand into said housing.