Means for extinguishing or preventing arc between current-carrying parts

Introduced: September 1968

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

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01H 33/045 CPC only CPC only
H01H 33/06 Insulating body insertable between contacts IPC+CPC Available in IPC and CPC
H01H 33/08 Stationary parts for restricting or subdividing the arc, e.g. barrier plate +1 CPC IPC+CPC Available in IPC and CPC
H01H 33/12 Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20) +1 CPC IPC+CPC Available in IPC and CPC
H01H 33/14 Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc +2 CPC IPC+CPC Available in IPC and CPC
H01H 33/16 Impedances connected with contacts +6 CPC IPC+CPC Available in IPC and CPC
H01H 33/18 using blow-out magnet +3 CPC IPC+CPC Available in IPC and CPC
H01H 33/20 using arcing horns (using blow-out magnet H01H33/18) IPC+CPC Available in IPC and CPC
H01H 33/22 Selection of fluids for arc-extinguishing IPC+CPC Available in IPC and CPC