| 摘要 |
PROBLEM TO BE SOLVED: To provide a hermetic switchboard capable of downsizing a structure of a sealed container and reducing a manufacturing cost by disposing switching devices such as a circuit breaker and a disconnector in the sealed container.SOLUTION: In the hermetic switchboard used for power receiving and distributing facilities, a switching device including at least one of circuit breakers 5 and 9 and a disconnector 7 in a sealed container 3 is installed and reinforcement recesses 32a to 32d having at least one of a U-shape and V-shape are formed in at least one corner of four corners of the sealed containers. |
