10kV pole-mounted vacuum circuit breaker

The utility model discloses a 10kV pole-mounted vacuum circuit breaker, and relates to the technical field of vacuum circuit breakers. The device comprises an operation box, the operation box comprises three protective shells arranged above the operation box, the upper surface of the operation box is provided with a mounting assembly used for mounting the protective shells, and one side of each protective shell is provided with a dismounting assembly used for dismounting the protective shell. The protection shell is aligned with the hollow column on the operation box, the wedge-shaped block is clamped in the clamping groove in the inner side face of the protection shell after the protection shell is inserted into the hollow column, and therefore the effect of conveniently installing the protection shell can be achieved, the work efficiency of installation work of the protection shell is improved, and the push block is pushed to drive the push rod to move. And after the push rod moves, the wedge-shaped block i