求大神解图...

[img]file:///C:\Documents and Settings\Administrator\Application Data\Tencent\Users\281709764\QQ\WinTemp\RichOle\)JL42)Z8S`[C~_OPO0W%LOR.jpg[/img][img=0,1]file:///C:\Documents and Settings\Administrator\Application Data\Tencent\Users\281709764\QQ\WinTemp\RichOle\)JL42)Z8S`[C~_OPO0W%LOR.jpg[/img][img=0,1]file:///C:\Documents and Settings\Administrator\Application Data\Tencent\Users\281709764\QQ\WinTemp\RichOle\)JL42)Z8S`[C~_OPO0W%LOR.jpg[/img][img=0,1]file:///C:\Documents and Settings\Administrator\Application Data\Tencent\Users\281709764\QQ\WinTemp\RichOle\)JL42)Z8S`[C~_OPO0W%LOR.jpg[/img]谢谢了

j2保护器控制.正常J2得电.J21闭合.J22闭合失压线圈得电.按下启动按钮ZJ吸合.ZJ1 ZJ2闭合ZN吸合.ZJ断电.ZN机构保持.

工作原理？

:o:o

求解什么啊。

济源馈电开关

这应该是一个馈电开关或者高防开关的原理图，不过图片不完整。