Indoor device with alternating current of 50Hz and rated voltage of 12KV. Connect, cut off, or switch the line when there is voltage and load on the high-voltage equipment

Load current and short-circuit current can only be used for certain switching operations that do not generate strong arcs, that is to say, it does not have arc extinguishing function; According to installation location

<p style="font-family:" font-size:16px; text-indent:0px; background-color:#ffffff; There are different types of insulation poles, including indoor, outdoor, single column, double column, and triple column, with optional equipment for each voltage level.