Originally Posted by
mactec54
You need to read and under stand what has been posted 65A if you read it is for your whole machine not just your spindle , your spindle will run fine on the 50A supply, not enough for any safety factor, but for trying it there will be no problem, just make sure you set the correct Parameters or you will smoke your expensive spindle
There is more to your machine than just the spindle, if you have a spindle this big, X Y and Z power requirements will have to match the spindle capabilities, or the big Kw spindle will not be doing any work, and be a waste of money