| 摘要 |
PROBLEM TO BE SOLVED: To simplify a structure for ensuring the insulation between two of a plurality of bus bars fixed on a bus bar anchor block.SOLUTION: A plurality of terminals of portions at which an N bus bar (1), an L1 bus bar (2) and an L2 bus bar (3) are exposed from a bus bar anchor block (4) are formed with a first terminal group which takes a state of supplying a first power supply of rated voltage to any of a plurality of branch switches and a second terminal group which can take two states of the state of supplying the first power supply of rated voltage to the plurality of branch switches and a state of supplying a second voltage of rated voltage.SELECTED DRAWING: Figure 6 |
