DIFF Subgroup
H02H 7/125 for rectifiers
Introduced: July 1974
Full Title
Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions > for converters; for rectifiers > for static converters or rectifiers > for rectifiers
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
Navigate with arrow keys, Enter to open
- H02H 7/127 having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency since 1974 IPC+CPC Available in IPC and CPC