| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a control panel apparatus capable of preventing corrosion of a controller and a cable even if corrosive gas is leaked from a manhole through cable piping. <P>SOLUTION: The control panel apparatus 20 is arranged close to a manhole accommodating a pump for conveying sewage flowed in from an upstream soil pipe to a downstream soil pipe. Further, it is provided with a housing 21 accommodating a controller 22 cable-connected to the pump through cable piping 14 communicating with the manhole. The lower portion of the housing 21 is mounted with a terminal board 23 for connecting the controller 22 to a cable terminal extending from the cable piping 14. The lower position of the terminal board 23 has a ventilation space with side faces covered with punching metal 41 and provided with air vents 41a for exhausting corrosive gas intruded from the cable piping 14. <P>COPYRIGHT: (C)2010,JPO&INPIT |
