| 摘要 |
A mechanical interlock of an air circuit breaker according to an embodiment of the present invention comprises a rotation pin which is connected to a main shaft of the air circuit breaker and rotates according to the inputting or blocking operation of the air circuit breaker; a first lever which has one end where a protrusion groove for inserting the rotation pin is rotated by the rotation pin, and has the other end connected to a first wire; a slider which is separated from the first lever, is connected to a second wire and receives a force when another air circuit breaker is inputted; and a lock which is combined with the rotation shaft of the first lever and can be hooked by a protrusion prepared on a switchboard panel door. So, mechanical interlock and door interlock functions can be carried out at the same time. |
