I had been planning to make a CNC for a while and the guy I work for decided to be nice and purchased a table top CNC from an online auction. The only problem is it had no control box (Which had the PSU) and was missing a cable. I've ordered a 4 axis controller but now I need to work out what voltage power supply to buy. The steppers say YOC2012- 5 7 - 7 6 1.8' 3.0a but I can't find these on the internet so I don't know if they're 24v or 36v and don't want to get the wrong PSU. Can anyone help me out with a way to determine voltage or happen to know this particular model?