RC,
I get different results:
Using the 380V terminals as inputs, the output is: 220 * (115 / 380) = 66.6V @ 3.0A
Using the 380V terminals as inputs, the output is: 220 * (115 / 460) = 55.0V @3.6A
Keep in mind, those are RMS voltages, so using this in a DC supply will give you around 94V or 78V.
Regards,
Ray L.