| 摘要 |
A switch device has a conventional fuseless breaker device, a first conductive blade, a second conductive blade, a fixed plate, and a movable plate. The breaker device has a metal bar having two expansion coefficients, an insulator plate, a safety button, and a coiled spring. The metal bar contacts the first conductive blade. A pressing button which is disposed on the switch device has a first portion and a second portion. A lamp assembly is disposed in the pressing button. The lamp assembly has a break display lamp and a dark display lamp. The break display lamp is disposed in the first portion of the pressing button. The dark display lamp is disposed in the second portion of the pressing button.
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