Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid

Introduced: September 1968

Full Title

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > 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 and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01H 33/64 wherein the break is in gas (vacuum switches H01H33/66) IPC+CPC Available in IPC and CPC
H01H 33/66 Vacuum switches +1 CPC IPC+CPC Available in IPC and CPC
H01H 33/68 Liquid-break switches, e.g. oil-break IPC+CPC Available in IPC and CPC