| 摘要 |
PURPOSE: A contact point place decision switch of the gas insulation switch is provided to enhance the reliability toward the performance of the gas insulation switch by preventing from revolving with the inertial force of the motor by the addition of the insulating spindle. CONSTITUTION: The driving gear(200) is connected to the motor(120) rotated the gad reverse. A plurality of pins is had. According to the cam member is the rotating operation of the driving gear, pins have the respective insertion and deviated a plurality of positioning grooves. If in the switching unit, the pin is inserted among a plurality of positioning grooves into a one, it recognizes to be inserted and the drive of the motor is stopped.
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