We are looking for a phase converter that can convert single phase 220 volts to 3 phase 220 volts, We would like a unit that convert automatically and does not require the use to hold in a button like many common unit have so it need to covert atomically, should be able to work on welding equipment up to 50 amps input power.Targer price under $75.00Must be static type small not large rotary type.Country:United States
