| 摘要 |
PROBLEM TO BE SOLVED: To provide an insertion/extraction device of a breaker which make it possible to operate a breaker from the outside in the state that a breaker chamber door of an enclosed switchboard is closed. SOLUTION: A breaker 1 is installed movably between a disconnection position and a connection position in a breaker chamber. A breaker transfer operation means provided with a driving shaft which is operated from the outside of the breaker chamber by an external operation means, and a lever 13 which transfers the breaker 1 by pivoting the driving shaft is installed on a floor part 2 of the breaker chamber. |
