Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With fusible – combustible or explosive material
Patent
1990-01-22
1991-03-26
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With fusible, combustible or explosive material
337407, H01H 3776
Patent
active
050032836
ABSTRACT:
A thermal cutoff of the type including an electrically conductive housing and an electrical lead having dielectric material sealingly interposed therebetween. Indicia is located on the lead such that when the dielectric material extends to or beyond the indicia, the distance between the housing and the lead along the dielectric material satisfies the minimum creepage distance required between two metal surfaces of opposite polarity.
REFERENCES:
patent: 4342980 (1982-08-01), Kovacs
Broome Harold
Therm-O-Disc Incorporated
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