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

Claim 5:
6. The miniature circuit breaker according to claim 4, further comprises a first installation shaft, wherein the first locking spring and the second locking spring of the anti-switching-on mechanism are double torsion springs with an integrated structure, the double torsion springs are sleeved on the first installation shaft, and comprise first ends of the double torsion springs connected with the first locking member body, second ends of the double torsion springs connected with the second locking member body, and third ends of the double torsion springs connected with the circuit breaker housing; the first locking member comprises a first locking spring limit protrusion arranged on one side of the first locking member body, the second locking member comprises a second locking spring limit protrusion arranged on one side of the second locking member body, the first ends of the double torsion springs are in limit fit with the first locking spring limit protrusion, and the second ends of the double torsion springs are in limit fit with the second locking spring limit protrusion.