This series motor control circuit was obtained from an old manual from the 80's. The SCRs must be engine-specific and no information is given on coils which are commercial types of the time.
![](/images/stories/cir/222512252023_155225_0001.gif)
This series motor control circuit was obtained from an old manual from the 80's. The SCRs must be engine-specific and no information is given on coils which are commercial types of the time.