DIFF Subgroup
H01H 33/82 the fluid being air or gas
Introduced: September 1968
Full Title
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid > flow of arc-extinguishing fluid from a pressure source being controlled by a valve > the fluid being air or gas
Of 2 combined children, 1 exist in both systems.
1 codes exist only in IPC.
Child Classifications
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- H01H 33/83 wherein the contacts are opened by the flow of air or gas IPC+CPC Available in IPC and CPC