The 220V is the max voltage and single phase is 230 but can peak up to 280V.
I suggest using an isolating transforma giving a max voltage of 110V.

Quote Originally Posted by Philmollatt View Post
Thanks for the replies
Ive looked at the motors and drivers on the zapp site they look like they will do the job, i will still be doing the knee rather than the quill, but with reduction set up with pulleys. Ill have to save up a bit though 3 motors and 3 controllers will be pushing my budget a bit (along with brackets, plugs, sockets, wiring, enclosure box, etc). This hobby can get expensive very quick.
Also can i drive the PM2278 from a 220v three phase supply from an inverter