Patent ID: 11929225
Assignee: ZHEJIANG CHINT ELECTRICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The miniature circuit breaker according to claim 1, further comprising a locking mechanism, wherein the locking mechanism comprises a second locking member and 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 circuit breaker housing comprises a second opening hole arranged in one side thereof, 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 installed in place to the installed position for the circuit breaker, the second locking member protrusion passes through the second opening hole and is in limit fit with the external housing of the installed position for the 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 into the circuit breaker housing, and the second locking member is released from the installed position for the circuit breaker.