FANUC A06B-0078-B303 AC Servo Motor

FANUC A06B-0078-B303 AC Servo Motor is a Beta-series servo motor built for precise, closed‑loop torque control in CNC machines and automation. In the common β22/2000is configuration, it delivers about 20 Nm of rated torque up to roughly 2,000 rpm, with a β128ia (128K) encoder providing high‑resolution position feedback. The unit is designed to pair with FANUC servo amplifiers for smooth velocity and torque control across demanding motion applications. Some listings for this model reference a #0100 variant described as BiS12/3000, which includes a 24 V brake, TPR, an a128ia encoder, and IP67-rated housing, offering rugged protection in harsh environments. The A06B-0078-B303 is part of FANUC’s Beta i family, known for compact form factors, reliable performance in continuous operation, and compatibility with FANUC CNC controls and automation ecosystems. Typical uses include driving rotary axes, tool spindles, or feed axes in machine tools and robotic setups requiring accurate positioning, repeatability, and dependable braking when power is removed.