Safe and reliable five-prevention locking mechanism

The utility model belongs to the field of electric cabinet equipment, and provides a safe and reliable five-prevention locking mechanism, which is arranged in an electric cabinet and comprises an operating mechanism, a circuit breaker main shaft and a circuit breaker closing coil, the circuit breaker main shaft is connected with a first transmission mechanism used for limiting the operation of the operating mechanism, and the circuit breaker closing coil is connected with a second transmission mechanism used for limiting the operation of the operating mechanism. And the operating mechanism is connected with a second transmission mechanism used for controlling opening and closing of the closing coil of the circuit breaker. The five-prevention locking mechanism provided by the utility model is simple, safe and reliable to operate, is not easy to make mistakes, is a constrained mechanical hard locking which completely adopts mechanical conversion, and can well meet the requirement of preventing misoperation lock