IPC Subgroup
H01H 37/1 Compensation for variation of ambient temperature or pressure
Introduced: September 1968
Last revised: January 2006
Full Title
Thermally-actuated switches > Details > Compensation for variation of ambient temperature or pressure
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES