| 摘要 |
An automatic changeover switch is provided to prevent malfunction of a device connected to an automatic changeover switch by not applying an overvoltage or an undervoltage to a load. A circular rotation shaft hole and a circular stationary shaft hole are formed in a movable member(140). While a neutral movable member(145) is contacted with generation, a rectangular rotation shaft hole and the circular stationary shaft hole are formed. A stationary shaft(160) is inserted to the stationary shaft hole of the neutral movable member of the movable member. A rotary shaft(170) is inserted to the rotation shaft hole of the movable member and the rotation shaft hole of the neutral movable member. An input copper plate(120) is installed in one side of the movable member and the neutral movable member.
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