IPC Subgroup
H01H 33/666 Operating arrangements
Introduced: January 2000
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 > Operating arrangements
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES