New FANUC A06B-0372-B175 AC Servo Motor with Brake and A64 Encoder

For machine builders, maintenance teams, and industrial parts buyers looking for a dependable replacement servo motor, the FANUC A06B-0372-B175 remains a practical choice in the Alpha series. This AC servo motor is built around the A2/2000 configuration and combines stable 2000 RPM performance with 2 Nm torque, a tapered shaft, integrated brake, and A64 encoder feedback. It is well suited for CNC and precision motion applications where consistent control and dependable axis response are essential.

Key Technical Data

The technical profile of this motor makes it especially useful where compact servo output and reliable positioning are both required. With a 0.4 kW power class, 120 V input, and 3-phase 133 Hz operation, the A06B-0372-B175 is designed for controlled motion rather than simple continuous rotation. In practical use, that means smoother feed movement, more accurate response, and better consistency in systems that depend on servo precision instead of standard motor drive behavior.

Another key advantage is its brake-and-feedback combination. The integrated brake adds extra holding capability during stopping or power-off conditions, while the A64 encoder supports accurate motion feedback for positioning and control. For repair work or equipment refurbishment, these details matter because matching shaft style, brake configuration, and encoder type can be just as important as matching voltage and speed.

Mechanically, the tapered shaft design helps provide a secure fit in compatible installations. This makes the motor a strong option for users replacing a failed original unit in an existing FANUC-driven machine. Instead of being just a generic spare part, the A06B-0372-B175 fits into applications where compatibility, stable operation, and repeatable performance are critical to keeping production equipment running efficiently.

Whether it is purchased for stock, machine repair, or scheduled replacement, this FANUC servo motor offers the essential features many buyers look for in a proven Alpha-series unit: 2000 RPM performance, 2 Nm torque, brake-equipped construction, and reliable encoder feedback in one compact assembly.

FAQ

Q1: What kind of motor is the FANUC A06B-0372-B175?
A: The A06B-0372-B175 is an AC servo motor from the FANUC Alpha series, identified as an A2/2000 motor configuration. It is intended for precision motion control tasks rather than basic continuous-duty rotation. This makes it suitable for CNC machinery and other industrial systems where accurate speed control, repeatable positioning, and responsive axis movement are important.

Q2: What are the main performance specifications of this motor?
A: Verified specifications for this model include 0.4 kW rated output, 2 Nm torque, 120 V rated voltage, 3-phase operation, 133 Hz frequency, 2.2 A rated current, and a maximum speed of 2000 RPM. These are the core figures buyers usually compare first when checking replacement compatibility or reviewing system requirements.

Q3: Does the A06B-0372-B175 come with a brake and encoder?
A: Yes. This motor is associated with a built-in brake and an A64 encoder. These two features are especially important in industrial applications because the brake helps support holding and controlled stopping, while the encoder provides the positional feedback required for servo control. When selecting a replacement motor, confirming both items can reduce installation errors and compatibility issues.

Q4: Why is the shaft type important when replacing a servo motor?
A: Shaft design directly affects how the motor connects to the mechanical drive system. The A06B-0372-B175 uses a tapered shaft, which must match the original machine setup to ensure proper coupling and safe operation. Even when voltage and speed look correct, a mismatched shaft style can create mounting problems, alignment issues, or unreliable power transmission. That is why shaft type should always be checked before purchase.

Q5: Is this model suitable for replacement in existing FANUC machines?
A: In many cases, yes, but only when the original machine was designed for the same or fully compatible motor specification. Buyers should verify the part number, motor model, voltage, current, speed, shaft type, brake requirement, and encoder configuration before ordering. A correct replacement decision should be based on both electrical compatibility and mechanical fit, not appearance alone.