HOW TO CONVERT 460V TO 230V SECRETS

This my be my stupid issue, he said the machine is 460 s why does he have to have a 480/277 Wye secondary? He doesn't point out needing a neutral, but if he results in it he should operate it. Doesn't make perception to me.INC. MILPITAS. CA 95035(877)757-3863"The sale of the merchandise may be matter to regulation via the U.S. Food stuff and Drug A