The FANUC A20B-1003-0090 02 07B SJ servo amplifier is a FANUC servo drive used to power and control SJ-series servo motors in CNC machines and automation systems. It is identified by multiple part numbers—A20B-1003-0090-02-07B and A20B-1003008004A—and is associated with A06b-6058-H006, placing it squarely within FANUC’s SJ servo amplifier family. This unit serves as a replacement or upgrade in FANUC control setups, delivering the required motor command signals for accurate torque and velocity control in industrial applications.
