actuated due to expansion or contraction of a fluid with or without vaporisation

Introduced: September 1968

Last revised: January 2006

Full Title

Thermally-actuated switches > Details > Thermally-sensitive members > actuated due to expansion or contraction of a fluid with or without vaporisation

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

4 direct subcodes

Child Classifications

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H01H 37/38 with bellows
H01H 37/4 with diaphragm
H01H 37/42 with curled flexible tube, e.g. Bourdon tube
H01H 37/44 with piston and cylinder