Temperature responsive electrical switch construction and method

Details Temperature responsive electrical switch construction and method Temperature responsive electrical switch construction and method

1974-05-21

1977-01-04

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337403, H01H 3736

Patent

active

040017540

ABSTRACT:
A collapsible pellet thermal limiter construction having an electrical switching unit that changes its condition when the pellet melts by being heated to a certain temperature for the particular pellet and having an epoxy material sealing one end of the casing of the construction. A filler material is disposed in the epoxy material and is in the order of approximately 4% to approximately 6% by weight of the epoxy material when the pellet has a particular melting temperature other than approximately 208.degree. F., 244.degree. F., 298.degree. F. or 358.degree. F.

REFERENCES:
patent: 3519972 (1970-07-01), Merrill

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