Hello MaxheadRoom, i am beginer for rewinding coils motor. I want to find the title of the book to learn how to rewind the lost data asynchronous motor, please give it to me, thank you very much!A contactor is just another form of relay, just built for a dedicated usage.
It all depends if you want the down and dirty way with risks, or the best way with a little more costs.
You can often come upon a deal on Eay for the compact Telemecanique DIN versions etc.
If a different voltage coil is required, often they are available at local electrical suppliers.