Withdrawable interlock device of vacuum circuit breaker

A withdrawable interlock device of a vacuum circuit breaker comprising a switchboard provided with a control power plug;

• a circuit breaker body provided with a control power connector detachably connected to the control power plug;
• a cradle inserted into the switchboard and a carriage moving within the cradle in a state that the circuit breaker body is mounted thereon, the withdrawable interlock device comprising:
• a link configured to move according to whether the control power plug is attached to or detached from the control power connector;
• a link connector connected to the link to move in linkage with movement of the link;
• a first lever connected to the link connector to rotate by a first predetermined angle according to movement of the link connector;
• a moving plate provided in the carriage to move;
• and
• a second lever located between the link and the moving plate, and one side of which is located close to the first lever according to rotation by a second predetermined angle to limit rotation of the first lever or other side of which pushes the moving plate while at the same time releasing a close location between the one side and the first lever.