| 摘要 |
The present invention relates to a switchboard. The switchboard comprises: a case constituting an external shape and having a circular connection hole penetrating a central portion; an electronic device configured to be provided in the inside of the case; and an earthquake-proof device installed in the case to alleviate vibration, when an earthquake occurs. According to the present invention, the switchboard is configured to absorb vibration, generated by an earthquake and shock, from various directions. Also, the switchboard can protect the electronic device installed therein to prevent a device from being damaged, destroyed, and broken. |
