Hi Paul,
I would take a look at the motor brake's requirement. Perhaps a 480/240V transformer with the correct kVA to a rectifier?would work (assuming the rest of the machine is 3x480V).
Example:?https://www.graybar.com/dry-type-transformer-general-purpose-1-phase-1-5-kva-240-x-480v-primary-120-240v-secondary-nema-1-3r/p/88251932
Chris
