IPC Subgroup
H02H 3/2 responsive to excess voltage
Introduced: September 1968
Last revised: January 2006
Full Title
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection > responsive to excess voltage
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
Related Keywords
circuits for protecting apparatus against OVER-VOLTAGE
1 direct subcode
Child Classifications
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- H02H 3/22 of short duration, e.g. lightning