Fanuc A20B-2002-0041/07D AC Spindle Servo Drive

Fanuc A20B-2002-0041/07D is an AC spindle servo drive control board used in Fanuc CNC systems. It forms part of the spindle amplifier module responsible for controlling high-speed spindle motors with precision in machine tool applications. Specifications: Manufacturer: Fanuc Part Number: A20B-2002-0041/07D Board Type: AC Spindle Servo Control Board System Type: Fanuc Spindle Amplifier (often part of Serial Spindle System) Function: Controls spindle motor speed, torque, and direction based on CNC commands Voltage Class: 200–230V AC (typical for compatible spindle systems) Control Type: Vector control (with feedback loop) Compatible Motors: Fanuc AC spindle motors (e.g., α series) Connectors: Fiber optic and standard signal connectors for interfacing with CNC and feedback devices Mounting: Installs in spindle amplifier housing/module Cooling: Dependent on overall module cooling (fan-cooled or heat-sink based)