Thermal cutout

Details Thermal cutout Thermal cutout

1986-06-02

1987-06-16

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337408, H01H 3776

Patent

active

046739092

ABSTRACT:
The thermal cutout comprises a casing (1) in which at least a portion of casing (3) is of heat-conducting material, two terminals (5) carried by an electrically insulating plug (4) and an electrically conductive moving element (6) maintained in contact with each terminal (5) by a member (8) which is deformable under the action of heat and which is in turn in contact with the heat-conducting portion of casing (3). The cutout essentially comprises a translationally displaceable electrically insulating member (7) forming a separation between on the one hand the heat-deformable member (8) and on the other hand the terminals (5) and the electrically conductive element (6).

REFERENCES:
patent: 3291945 (1966-12-01), Merrill et al.
patent: 4186366 (1980-01-01), McVey
patent: 4383236 (1983-05-01), Urani et al.
patent: 4408178 (1983-10-01), Hanssen et al.

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