High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Introduced: September 1968

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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H01H 33/002 +1 CPC CPC only CPC only
H01H 33/006 CPC only CPC only
H01H 33/008 CPC only CPC only
H01H 33/02 Details +5 CPC IPC+CPC Available in IPC and CPC
H01H 33/60 Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid IPC+CPC Available in IPC and CPC
H01H 33/70 Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid +2 CPC IPC+CPC Available in IPC and CPC