| 摘要 |
<p>PURPOSE:To reduce installation space by arranging a ground switch at the upper side and a PT at the under side at one side of two main buses stacked vertically, while arranging a PT at the upper side and a ground switch at the lower side at the other side of the main bus. CONSTITUTION:First and second main buses 2, 3 are stacked through a supporting base 8 on a common base 1 with the axes thereof being arranged horizontally. First PT 6 is mounted on the supporting base 9 and a first ground switch 4 is tacked thereon at one side of the main buses 2, 3. At the opposite side of the main buses 2, 3, a second ground switch 5 is mounted on a supporting base 10 and a second PT 7 is stacked thereon. Then the metal housings for the first main bus 2 and the first ground switch 4 are coupled each other, and the metal housings for the second main bus 3 and the second ground switch 5 are also coupled each other. By such arrangement, the length L of the common base 1 is shortened resulting in the reduction of installation space.</p> |
