| 摘要 |
PURPOSE:To provide a demand controller and a distribution board at a low cost easily without the necessity of making the size larger or performing excessive working, by effectively utilizing an existing box for a distribution board. CONSTITUTION:This invention concerns a distribution board 1 having a box 1A in which a master breaker 2, branch breakers 3, and a preparatory space 5 are provided. And a demand controller 6 which makes a load with a low degree of importance perform power suppressing control when overcurrent of a set value or more is detected, is installed in the preparatory space 5. The damand controller 6 has a controlling means 9 for setting the degree of priority composed of multilayer-structure circuit boards and circuit parts mounted on them, and a remote control relay 8 to be controlled for changing over contacts by this controlling means 9, arranged in parallel in the same case 7 as one unit. |
