A06B-2075-B003 Fanuc AC Servo Motor Model BiS8/3000-B

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The A06B-2075-B003 from FANUC is a Beta i S-series AC servo motor designed for high-precision axis control in CNC machine tools and industrial automation systems. Used with compatible FANUC CNC controls and servo amplifiers, it provides accurate closed-loop motion control for feed axes, ensuring reliable positioning, smooth interpolation, and consistent machining performance.

Belonging to the Beta i S (BiS8/3000-B) family, this motor is commonly installed on CNC lathes, machining centers, automated fixtures, and other precision motion applications. It delivers stable torque and rapid servo response, making it well suited for demanding production environments where repeatability and positioning accuracy are essential.

The motor is rated at 1.2 kW continuous output, with a continuous current of 4.9 A, an operating frequency of 133 Hz, and is designed for the 2000 rpm class. Its high-resolution feedback system ensures precise speed regulation and accurate axis positioning when paired with compatible FANUC servo amplifiers.

Featuring a compact flange-mounted design and standardized FANUC electrical interfaces, the A06B-2075-B003 allows straightforward installation as a direct replacement for an identical unit. Matching the complete part number ensures full mechanical, electrical, and feedback compatibility, minimizing commissioning time and avoiding unnecessary parameter adjustments.

Manufactured in Japan, this servo motor is built to withstand the demanding conditions of industrial machine-tool environments, including exposure to coolant mist, dust, and continuous production cycles. Its robust construction and proven reliability make it a popular choice for machine maintenance, retrofit projects, and preventive replacement programs.

The A06B-2075-B003 is frequently used to restore machine operation following motor failures, positioning errors, or degraded axis performance. It is commonly stocked as a spare part by maintenance teams to reduce unplanned downtime and ensure rapid recovery of CNC equipment. Its compatibility with the FANUC Beta i servo platform makes it an ideal replacement solution for maintaining the long-term performance and availability of FANUC-controlled machines.

Frequently asked questions about A06B-2075-B003:

Which systems typically use this motor?
It is commonly used on FANUC-equipped machine-tools that specify a BiS8/3000 class servo for feed axes. Check your machine build sheet and amplifier pairing to confirm the exact match.

Is it a drop-in replacement for the same code motor?
Yes, when replacing like-for-like with the same part code, mounting and connectors generally align with the original installation. Always verify cable length, keyway and any brake requirement against your machine’s specification.

What should be checked before ordering?
Confirm the full part code on the motor nameplate, the required speed class and any brake or shaft configuration used on your axis. Match the amplifier type and control family to ensure proper commissioning.

Can this unit be used in retrofit projects?
It is suitable for retrofits where a FANUC Beta i S-series motor is specified. Maintaining the same code simplifies tuning and preserves known performance characteristics.

Do you offer repair or exchange options for this reference?
Depending on condition and availability, repair or exchange programs may be possible. This helps reduce lead time while keeping your spare inventory aligned with installed equipment.