Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid

Introduced: September 1968

Last revised: January 2006

Full Title

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid

Classification Context

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

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

H01H 33/72 having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
H01H 33/76 wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
H01H 33/8 flow of arc-extinguishing fluid from a pressure source being controlled by a valve
H01H 33/86 the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
H01H 33/88 the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
H01H 33/98 the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow