CPC Subgroup
H01H 33/04 Means for extinguishing or preventing arc between current-carrying parts
Full Title
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Details > Means for extinguishing or preventing arc between current-carrying parts
9 direct subcodes
Child Classifications
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- H01H 33/06 Insulating body insertable between contacts
- H01H 33/08 Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H 33/12 Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20)
- H01H 33/14 Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
- H01H 33/16 Impedances connected with contacts
- H01H 33/18 using blow-out magnet
- H01H 33/20 using arcing horns (using blow-out magnet H01H33/18)
- H01H 33/22 Selection of fluids for arc-extinguishing