The Haas VF-8/50 is a vertical machining center with a 30-hp (22.4 kW) vector drive, 50-taper geared-head, and 7500 rpm.
For a 30 HP Spindle Motor on a VF-8/50 the required phase converter to use is a GP60NL - 60 HP Rotary Phase Converter from Phoenix Phase Converters.