A clutch mechanism for an energy storage device is disclosed. In an embodiment, the clutch mechanism includes a loading gear, a driving gear, a one-way bearing, a sleeve, and a gear shaft comprising a gear portion and a clutch portion. The gear shaft includes multiple spheres, and a push rod and an elastic element which are located in a cavity of the gear shaft. The push rod includes a groove and can slide in the axial direction of the gear shaft. A pressure block is fixed to the driving gear, the pressure block being able to push the push rod to slide in the axial direction of the gear shaft, so as to unlock or lock the sleeve and the gear shaft. A gas insulated circuit breaker employing such a clutch mechanism is also disclosed.

A clutch actuator assembly includes a motor that is arranged in an actuator housing, a gear train that couples the motor and an output shaft, an actuator lever that is affixed to the output shaft and includes a profile that has first and second features that respectively correspond to first and second positions, a detent that cooperates with the profile and is configured to retain the actuator lever in one of the first and second positions, and a pawl that is operatively connected to the actuator lever and is configured to selectively engage with a clutch component in response to movement of the actuator lever between the first and second positions.

A clutch actuator assembly includes a motor that is arranged in an actuator housing, a gear train that couples the motor and an output shaft, an actuator lever that is affixed to the output shaft and includes a profile that has first and second features that respectively correspond to first and second positions, a detent that cooperates with the profile and is configured to retain the actuator lever in one of the first and second positions, and a pawl that is operatively connected to the actuator lever and is configured to selectively engage with a clutch component in response to movement of the actuator lever between the first and second positions.