Quote Originally Posted by Clive S View Post
Like Neal has said if they are 8 wire steppers then I would use them in a parallel configuration as you will get more torque.
I run AM882 drive on my router at 3. something A with twin screws and 68V PS. Steppers are happy at 60'C and above.

Would you recommend another 68v 500w supply for this setup?
I only have a 500Va toroidal running 68v DC with no problems