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PCE
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CPC Subgroup
H01H 33/64

wherein the break is in gas (vacuum switches H01H33/66)

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 > wherein the break is in gas (vacuum switches H01H33/66)

1 direct subcode

Child Classifications

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  • H01H 33/65 wherein the break is in air at atmospheric pressure, e.g. in open air