Thermal cut-outs and method of assembling a multiplicity of...

Details Thermal cut-outs and method of assembling a multiplicity of... Thermal cut-outs and method of assembling a multiplicity of...

H - Electricity

01

H

306/130

H01H 37/52 (2006.01) H01H 37/04 (2006.01) H01H 37/76 (2006.01)

Patent

CA 1120519

ABSTRACT OF THE DISCLOSURE A thermal cut-out which is adapted to open an electrical circuit in response to an excessive rise in temperature associated with the circuit protected by said cut-out. Said cut-out comprising a hollow body of electrically insulating material and having an opening through which a pair of contact members are put into said hollow body. A plug of electrically insulating material closing said opening and stressing the contacts to a condition in which they are biased apart. Said contact members being retained in engagement by an element as long as its temperature has not reached a predetermined temperature. Said element being made from a material which deforms or collapse at said predetermined temperature so that it cannot retain said biased contacts any longer in engagement and permits the contacts to open.

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