| 摘要 |
PROBLEM TO BE SOLVED: To provide a pullout-type air circuit breaker which can display a breaking position, test position and connection position accurately, when a breaker body is pulled in or pulled out from a cradle. SOLUTION: This air circuit breaker is equipped with an interlocking device having a first lead bar 16 which moves in the direction opposite to the progressing direction of a feed screw 4 when it is inserted in a screw pipe 6, and generates a driving force for position display, a guide member 18 which is linked with the bar 16 and responds to the movement of the bar 16, a second lead bar 20 responding to the movement of the guide member 18, a spring 26 for applying an elastic force in the progressing direction of the feed screw 4 to the bar 16, a cam 22 which is rotated by the linear movement of the second lead bar 20, and a display means 24 which displays a position of a breaker body 200 to the outside while moving vertically, in accordance with the rotational motion of the cam 22. |
