IPC Main Group
H01H 43/00 Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
Related Keywords
time- PROGRAMME switchestiming by electric switches
5 direct subcodes
Child Classifications
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- H01H 43/02 Details
- H01H 43/1 with timing of actuation of contacts due to a part rotating at substantially constant speed
- H01H 43/24 with timing of actuation of contacts due to a non-rotatably moving part
- H01H 43/3 with timing of actuation of contacts due to thermal action
- H01H 43/32 with timing of actuation of contacts due to electrolytic processes; with timing of actuation of contacts due to chemical processes