IPC Main Group
H01H 37/00 Thermally-actuated switches
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
Scope Notes
Application references: Protective switches with electrothermal release or actuation
Related Keywords
electric switches responsive to TEMPERATURE
3 direct subcodes
Child Classifications
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- H01H 37/02 Details
- H01H 37/72 Switches in which the opening movement and the closing movement of a contact are effected respectively by heating and cooling or
- H01H 37/74 Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling