Electric operating mechanism

The invention relates to an electric operating mechanism. The electric operating mechanism comprises a shell, a mechanism frame, an intelligent control circuit board, an electric driving assembly, a sliding block assembly and a manual driving assembly. The electric drive assembly comprises a motor arranged on the mechanism frame and a cam in linkage with the motor. The sliding block assembly comprises a sliding block which is arranged on the mechanism frame in a sliding mode and is in linkage fit with the cam, and a sleeve piece which is arranged on the molded case circuit breaker handle in asleeving mode and is in linkage fit with the sliding block. A poking wheel matched with the sliding block in a linkage mode is arranged on the cam in a rotating mode, two protruding blocks matched with the poking wheel are arranged on the sliding block, the poking wheel acts along with the cam and can push the two protruding blocks, and the sliding block can slide on the mechanism frame in a reciprocating mode. The electr