HELPING THE OTHERS REALIZE THE ADVANTAGES OF TRANSFORMER 230V TO 110V

This my be my Silly concern, he reported the device is 460 s why does he need a 480/277 Wye secondary? He doesn't reveal needing a neutral, however, if he produces it he must operate it. Doesn't make feeling to me.I've two European appliances and I can't utilize it in the US. So I procured this voltage converter from this vendor. Similar to the des