| 摘要 |
The circuit breaker according to the present invention has first and second terminals having favorable electric conductivity and joined to each other with solder; and a heater whose circumference is insulated installed for melting the solder and supplied with electric power from the current path separate from current paths passing through the first and second terminals; wherein the first and second terminals are separated by a spring force and insulated when the solder is melted.
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