| 摘要 |
PROBLEM TO BE SOLVED: To provide a retro-fit breaker capable of shortening a work time and an outage time by easily performing replacing work from a front face of a distribution panel without disassembling a part of a structure, and to provide a distribution panel modification method using the same.SOLUTION: After an existing breaker is removed from a distribution panel, a second attachment 6 is connected to a bus bar 8 and while inserting the second attachment 6 through an insertion hole 54a, a guide rail 5 is disposed within the distribution panel. A fastening member 4 inserted into a notch 62a is actually fastened by inserting a breaker body 1 into the guide rail unit 5, such that the breaker body 1 is connected to the bus bar 8 in place of the existing breaker. |
