Vacuum switches

Introduced: September 1968

Last revised: January 2006

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 > Vacuum switches

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

4 direct subcodes

Child Classifications

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H01H 33/662 Housings or protective screens
H01H 33/664 Contacts; Arc-extinguishing means, e.g. arcing rings
H01H 33/666 Operating arrangements
H01H 33/668 Means for obtaining or monitoring the vacuum