| 摘要 |
The objective of the present invention is to replace a mold switch without enlarging the entirety of a switchgear. When replacing a mold switch which is arranged within a switching device section and is comprised of a switch having an interrupting function operated by an operation mechanism portion located below, and a switch having a disconnection/earthing function: the connection between a bus-side bushing and a bus and the connection between a cable-side bushing and the cable are removed, the fastening to a mold switch securing member which secures the mold switch in a cabinet and the fastening to a switching device support member which supports and secures the mold switch securingmember are released, and thereafter, the mold switch securing member is pulled upward by equal to or more than a projecting size of the bus-side bushing in the height direction, and then, the mold switch is pulled out in the horizontal direction to remove the mold switch out of the switchgear, and thereafter, a mold switch for replacement is installed in the switching device section by procedures reversing the above. |
