CPC Main Group
H01H 31/00 Air-break switches for high tension without arc-extinguishing or arc-preventing means (in combination with high tension or heavy-current switches with arc-extinguishing or arc-preventing means H01H33/00)
6 direct subcodes
Child Classifications
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- H01H 31/02 Details
- H01H 31/14 with bridging contact that is not electrically connected to either line contact in open position of switch
- H01H 31/26 with movable contact that remains electrically connected to one line in open position of switch
- H01H 31/34 with movable contact adapted to engage an overhead transmission line, e.g. for branching