Unidrive M701 high-performance AC/servo drive, Supply voltage: Three-phase 380/480 VAC +/- 10% (often referred to as 460 VAC), Power (Heavy Duty): 2.2 kW (3 HP), Output Current (Heavy Duty): 6.2 A, Power (Normal Duty): 3 kW (5 HP), Output Current (Normal Service): 7.7 A, Communications: Built-in RS485 serial ports (support Modbus RTU), unlike the M700 model which has Ethernet, Motion Control: Includes an integrated Advanced Motion Controller capable of controlling 1.5 axes to maximize system performance