The Emerson SP4401 (Unidrive SP series) is a VFD with:
3-phase 380-480VAC input (342-528VAC range)
0-480VAC output, 68A normal duty current
30kW (50hp) motor rating, 0-3000Hz frequency range
Induction/servo/synchronous motor control, active front-end
Modbus RTU standard, expandable with Profibus/DeviceNet/CANopen
Built-in Class A EMC filter, IP20 protection
Over-current/voltage/undervoltage protection