IPC Subgroup
H01H 31/34 with movable contact adapted to engage an overhead transmission line, e.g. for branching
Introduced: September 1968
Last revised: January 2006
Full Title
Air-break switches for high tension without arc-extinguishing or arc-preventing means > with movable contact adapted to engage an overhead transmission line, e.g. for branching
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
1 direct subcode
Child Classifications
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- H01H 31/36 Contact moved by pantograph