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PCE
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DIFF Subgroup
H01H 33/46

Interlocking mechanisms

Introduced: September 1968

Full Title

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Details > Interlocking mechanisms

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • H01H 33/48 for interlocking between casing or cover and mechanism for operating contacts IPC+CPC Available in IPC and CPC
  • H01H 33/50 for interlocking two or more parts of the mechanism for operating contacts IPC+CPC Available in IPC and CPC
  • H01H 33/52 for interlocking two or more switches IPC+CPC Available in IPC and CPC