The EMAX EMX-AC-1164 is a digital AC servo motor drive system with encoder. It is designed for precision motion control of AC motors with up to 4 independent axes of motion. It has a rated power output of 12.5A, and is compatible with 1 phase, 3-phase AC induction motors from 110V to 480VAC. It includes two digital isolated encoders to ensure accurate motor positioning, a universal speed feedback signal, an advanced current vector control function, and a wide range of protection features including over-voltage protection, over-current protection, overtemperature protection, motor overload protection, and auto-reset. It also offers an auto-tune feature for quick tuning of motor parameters.