CPC Main Group
H01H 1/00 Contacts (liquid contacts H01H29/04)
14 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01H 1/02 characterised by the material thereof
- H01H 1/06 characterised by the shape or structure of the contact-making surface, e.g. grooved
- H01H 1/12 characterised by the manner in which co-operating contacts engage
- H01H 1/50 Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H 1/56 Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
- H01H 1/58 Electric connections to or between contacts; Terminals
- 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)
- H01H 1/62 Heating or cooling of contacts
- H01H 1/64 Protective enclosures, baffle plates, or screens for contacts