| 摘要 |
PROBLEM TO BE SOLVED: To provide a plug-in power distribution board which enables an operator to safely conduct removal work when a breaker is removed and enables various kinds of breakers to be attached thereto regardless of pole numbers and types of the breakers.SOLUTION: A plug-in distribution board includes: a base adopter attached to a trunk line bar unit; and an attachment adopter for attaching a breaker to the base adopter. The base adopter includes: a power source side receiving fitting part composed of a first receiving fitting inserted into a truck line bar and a second receiving fitting to which the breaker is attached; a load side receiving fitting part composed of a third receiving fitting to which the breaker is attached and a load electric wire connection part; and a housing holding these receiving fitting parts so as to cover these receiving fitting parts and made of an insulator. The attachment adaptor is formed by a cover to which a connection conductor electrically connecting a terminal part of the breaker with the second receiving fitting is integrally fixed. |
