| 摘要 |
PROBLEM TO BE SOLVED: To provide a switchboard which gives high safety and productivity, and moreover is environment-friendly. SOLUTION: A control panel, and a main circuit panel are constituted using, as a base, a fundamental frame panel composed of a front frame and a rear frame formed by bending boards of the same thickness without welding, and a U-shaped frame fitted to the upper and lower ends without welding. Combining these panels, a switchboard is constituted. Accordingly, a switchboard having high safety and productivity and being environment-friendly can be provided. |
