DIFF Main Group
H01H 1/00 Contacts (liquid contacts H01H29/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Contacts
CPC: Contacts (liquid contacts H01H29/04)
Full Title
Full titles differ between systems:
IPC:
Contacts
CPC:
Contacts (liquid contacts H01H29/04)
Of 14 combined children, 9 exist in both systems.
5 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H01H 1/06 characterised by the shape or structure of the contact-making surface, e.g. grooved +1 CPC IPC+CPC Available in IPC and CPC
- H01H 1/12 characterised by the manner in which co-operating contacts engage +1 CPC IPC+CPC Available in IPC and CPC
- H01H 1/50 Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position +4 CPC IPC+CPC Available in IPC and CPC
- H01H 1/56 Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing IPC+CPC Available in IPC and CPC
- H01H 1/58 Electric connections to or between contacts; Terminals +10 CPC IPC+CPC Available in IPC and CPC
- H01H 1/60 Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces (cleaning by normal sliding of contacts H01H1/18, H01H1/36) +1 CPC IPC+CPC Available in IPC and CPC
- H01H 1/64 Protective enclosures, baffle plates, or screens for contacts +1 CPC IPC+CPC Available in IPC and CPC