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    • 6. 发明专利
    • switchboard
    • JP5351243B2
    • 2013-11-27
    • JP2011260237
    • 2011-11-29
    • 富士電機株式会社株式会社明電舎
    • 伸夫 鈴木吉廣 池野啓 岩本竜一 中野寿博 児玉潤 山川
    • H02B1/20H02B1/18H02B11/10
    • PROBLEM TO BE SOLVED: To miniaturize an entire distribution panel by miniaturizing a drawer type device having a current shielding function, to stack as many drawer type devices as possible in the distribution panel, with a wiring space being reduced without impairing simpleness in cable wiring operation.SOLUTION: A vacuum valve 22c along with a high voltage fuse 22a are arranged laterally, to reduce the height of a drawer type device 22 than before. Consequently, more drawer type devices 22 are stacked and stored than before in a distribution panel 21. A first insulating frame 22i is used which has an integral structure in which the high voltage fuse 22a is stored on the upper side while the vacuum valve 22c is stored on the lower side, being partitioned in unit of phase, and which prevents breakage of other component due to accidental breakage of the high voltage fuse 22a. A power supply side disconnection part 22e and a load side disconnection part 22f are arranged to be deviated laterally, to allow each vertical bus line 24a to be arranged vertically in a straight line. Each of vertical bus line 24a and a load side terminal 22h are secured using a second insulating frame 22q for fixing.