New FANUC A06B-0247-B401 AC Servo Motor with 24V Brake for CNC Servo Applications

The FANUC A06B-0247-B401 AC Servo Motor is engineered for CNC equipment and industrial automation systems that demand precise motion control, dependable stopping performance, and stable operation over long production cycles. In applications where axis accuracy directly affects machining quality and process consistency, a motor like this is valued not just for output, but for how smoothly it responds, how reliably it holds position, and how well it supports repeatable motion day after day.

Key Technical Data

Designed for Controlled Motion and Reliable Holding

In many CNC systems, the servo motor has to do more than rotate an axis. It must start cleanly, stop with control, and maintain stable behavior when the machine transitions between speeds or load conditions. The A06B-0247-B401 fits this kind of role especially well because its configuration combines a 3000 RPM operating class with a 24V holding brake, making it suitable for equipment where controlled motion and dependable position holding are equally important.

That brake-equipped design can be particularly useful in systems where the axis must remain secure after a stop command or when power is removed. In real production environments, this supports better positional stability and helps maintain the machine’s intended operating behavior without unnecessary drift or uncontrolled movement. For maintenance teams and rebuilders, this is often one of the most valuable reasons to choose a brake-equipped servo motor instead of a standard non-brake version.

Straight-Shaft Construction for Practical Machine Compatibility

Mechanical fit is one of the first things buyers check when replacing a servo motor. This model is widely described with a straight shaft, and some listings specify a straight shaft with key / SLK configuration. That matters because shaft style directly affects coupling compatibility, alignment, and installation efficiency. When the mechanical layout matches the original machine design, replacement work is usually faster and less likely to require additional adaptation.

For users maintaining established FANUC-based equipment, that kind of compatibility can make a real difference. A motor that matches both the physical installation requirements and the control-side feedback arrangement is more likely to restore stable axis response without introducing new commissioning problems. That is especially important in machine tools and automation systems where uptime and repeatable motion are closely tied to production results.

i1000 Feedback for Precision Servo Response

This motor is also commonly associated with an i1000 incremental encoder or AiA1000 pulsecoder configuration. In servo applications, feedback quality is essential because the control system depends on it to monitor motor position and speed accurately. Better feedback support helps the drive apply smoother correction, improve repeatability, and maintain more consistent axis behavior during continuous industrial operation.

That makes this motor a practical choice in CNC environments where motion quality is just as important as raw performance. In day-to-day use, reliable encoder feedback contributes to better control accuracy, steadier response, and more dependable machine behavior over time. For buyers sourcing a replacement motor, encoder type is often one of the most important compatibility checkpoints for exactly this reason.

Typical Applications

The FANUC A06B-0247-B401 AC Servo Motor is commonly considered for:

• CNC machine tools

• Industrial automation equipment

• Precision axis control systems

• Servo replacement in compatible FANUC installations

• Motion-control applications requiring brake-equipped servo performance

FAQ

Q1: Does the FANUC A06B-0247-B401 include a brake?
A1: Yes. Public listings consistently describe the A06B-0247-B401 as a brake-equipped servo motor with a 24V brake. That feature is especially important in systems where the axis must hold position after stopping or where controlled shutdown behavior is required. In CNC and automation equipment, a holding brake can help reduce unwanted movement and support better positional stability when the machine is not actively driving the load.

Q2: What shaft type is commonly listed for this model?
A2: Available listings commonly describe this motor with a straight shaft, with several sources further indicating a straight shaft with key / SLK style. Shaft design matters in replacement work because it affects coupling compatibility, alignment, and installation accuracy. Choosing the correct shaft style can help reduce retrofit issues and improve the chances of restoring original machine motion characteristics.

Q3: What feedback configuration is associated with the A06B-0247-B401?
A3: This motor is commonly associated with an i1000 incremental encoder, and some listings also describe it as using an A1000 or AiA1000 pulsecoder. In practical terms, this feedback arrangement helps the control system monitor speed and position accurately, which is essential for stable servo correction and repeatable motion performance in CNC and industrial automation applications.

Q4: What speed class is associated with this servo motor?
A4: Multiple product listings identify the A06B-0247-B401 as an AiF22/3000 motor and describe it around a 3000 RPM operating class. This makes it suitable for applications where the machine needs responsive but controlled axis movement rather than unusually high top-end speed. In many CNC systems, that kind of speed class offers a practical balance between motion stability and productivity.

Q5: What kinds of applications is the FANUC A06B-0247-B401 suitable for?
A5: This servo motor is suitable for CNC machinery, industrial automation equipment, precision axis systems, and compatible FANUC replacement projects. Its combination of 3000 RPM class performance, straight-shaft construction, 24V brake, and i1000 feedback makes it especially relevant in systems where accurate motion, reliable holding performance, and dependable long-term operation are all important.