THERMORESPONSIVE SWITCH AND METHOD FOR MANUFACTURING SAME

摘要

This thermoresponsive switch is provided with: a sealed container constituted of a metal housing and cover plate; two conductive terminal pins affixed air-tightly in two through holes provided in the cover plate; a fixed contact affixed to one of the conductive pins; a heater one end of which is connected to one end of the other conductive terminal pin and the other end of which is connected to the cover plate; a thermoresponsive plate one end of which is connected to the inside surface of the housing, the direction of curvature of said thermoresponsive plate reversing at a prescribed temperature; and a movable contact provided on the other end of the thermoresponsive plate and constituting a switch contact along with the fixed contact. The through holes are constituted of a cylindrical part protruding to the outside of the cover, and only the cylindrical part, filler material and conductive pins are covered with an electrically insulating resin.