Quote Originally Posted by diycnc View Post
Dont have a PSU to hand, so looking to put together a simple 70vac transformer, but im struggling to find a suitable toroidal transformer.
Only 230v to 70v transformers I have found so far are max 500va, which im not sure is sufficient for 3-4 motors. The current design is 3, but want to leave room for a 4th if i choose to upgrade later
https://www.rapidonline.com/vigortro...-x-35v-88-0007
This company will make any voltage you want for you. https://airlinktransformers.com/cate...standard-range

I use a 500V a toroidal with 4 nema 23 on 2 different machines with out problems. The next size up generally is 625Va