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

Claim 9:
10. The miniature circuit breaker according to claim 9, wherein the buckle member comprises a buckle member first arm, a buckle member second arm, and a buckle member third arm, the buckle member first arm is in catch fit with the catch member, the buckle member second arm is in driving fit with the overload protection mechanism, the buckle member third arm is in driving fit with the short circuit protection mechanism, when a short circuit fault occurs, the short circuit protection mechanism drives the buckle member to rotate through the buckle member third arm, so that the buckle member is unlocked from the catch member, and when an overload fault occurs, the overload protection mechanism drives the buckle member to rotate through the buckle member second arm, so that the buckle member is unlocked from the catch member;
the buckle member has an inverted T-shaped structure, the buckle member second arm and the buckle member third arm are located in a straight line, the buckle member first arm is located between the buckle member second arm and the buckle member third arm, and is perpendicular to the straight line where the buckle member second arm and the buckle member third arm are located; and the buckle member further comprises a buckle member extension, one end of the buckle member extension is connected with the buckle member second arm, and after a free end of the buckle member extension is touched, the buckle member rotates to be unlocked from the catch member.