https://www.johnstonesupply.com/stor...ep?pID=B18-842
https://www.johnstonesupply.com/stor...ep?pID=B18-843
Have not tried these . So no personal experience . I have wired / installed 3 phase soft starts & VFD's .
My cost on either of these is $ 235.00 .
You can probably google search soft starts for more information .
God bless
Wyr