https://www.oukecnc.com/products/original-servo-amplifier-module-fanuc-drive-a06b-6320-h333.html The FANUC A06B-6320-H333 is a servo amplifier module. Servo amplifier is a kind of controller used to control servo motor, its role is similar to the frequency converter acting on ordinary AC motor, is part of the servo system, mainly used in high-precision positioning system.All Rights Reserved