DIFF Subgroup
H01H 37/74 Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
Introduced: September 1968
Full Title
Thermally-actuated switches > Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- H01H 37/76 Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material +5 CPC IPC+CPC Available in IPC and CPC