Patent ID: 11961690
Assignee: ZHEJIANG CHINT ELECTRICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The miniature circuit breaker according to claim 1, wherein the locking mechanism further comprises a second locking spring, the second locking member comprises a second locking member body, and a second locking member protrusion and a second locking member driving arm which are respectively arranged at two ends of the second locking member body, the second locking member body is pivotally installed on the circuit breaker housing, the second locking member driving arm is in driving fit with the first connecting rod, the second locking spring makes the second locking member protrusion pass through the second opening hole and protrude outside the circuit breaker housing, after the miniature circuit breaker is assembled to the assembly position of the miniature circuit breaker and installed in place, the second locking member protrusion passes through the second opening hole and is in limit fit with the housing at the assembly position of the miniature circuit breaker, when the button mechanism is pulled to move out of the circuit breaker housing, the first connecting rod drives the second locking member driving arm to rotate, so that the second locking member protrusion moves towards an inside of the circuit breaker housing, and the second locking member is released from the housing at the assembly position of the miniature circuit breaker.