Skip to product information
FANUC A06B-0063-B203 βiS 4/4000 servo motor with nameplate and output shaft
In stock

• Testing Video Provided

$413.00 USD
Fast and safe checkout via PayPal
Secure online payments with Visa
Accepted credit card payments through Mastercard
Online payments accepted via Discover card
Convenient and trusted payments via American Express

Shipping:

Reliable global express shipping by DHL
Worldwide parcel delivery by UPS
Fast and secure shipping by FedEx

Delivery: Estimated 2- 6 business days delivery. See details

Returns: 14 days returns. See details

All parts are covered by REACO CNC warranty

All parts are covered by REACO CNC warranty

Every part is carefully inspected and tested for reliability。

All parts tested under load

Global Delivery for Fanuc and Mitsubishi CNC parts

Fast response, global shipping, expedited shipping available

tech support for CNC repair and parts.

Free technical support

More than 150,000 parts in stock & ready for delivery

More than 100,000 parts in stock & ready for delivery

The FANUC A06B-0063-B203 is a three-phase AC servo motor for CNC axis applications. It delivers 0.75 kW of continuous output at a rated speed of 3,000 rpm and has a continuous stall torque of 3.5 N·m. This B203 version has a straight shaft with a keyway and a βiA 128 absolute encoder. It is supplied without a holding brake.

Technical Specifications

Part Number A06B-0063-B203
Motor Model FANUC βiS 4/4000
Continuous Output 0.75 kW
Rated / Maximum Speed 3,000 rpm rated / 4,000 rpm maximum
Rated Motor Electrical Data 143 V AC, 3.2 A, 200 Hz, three-phase
Amplifier AC Input 200–240 V AC, 50/60 Hz (motor nameplate)
Stall Torque / Current 3.5 N·m / 4.7 A RMS
Encoder βiA 128 absolute, 131,072 divisions per revolution
Shaft / Holding Brake Straight shaft with keyway / No holding brake
Protection / Insulation IP65 / Class F

Replacement Compatibility

Match the full A06B-0063-B203 part number on your existing motor. To confirm fitment, send us a nameplate photo and your servo amplifier part number. Check the shaft, mounting flange, encoder and holding brake requirements for your axis.

Testing, Warranty and Shipping

We provide a test video before dispatch. New and refurbished units carry a 12-month warranty, and used units carry a 3-month warranty. Confirmed in-stock units typically ship within 1–2 business days. We use protective packaging and ship worldwide via DHL, UPS or FedEx. Estimated delivery is included in your quote.

Browse more FANUC servo motors.

Warehouse shelves filled with boxed FANUC CNC parts, showing Reaco CNC’s large inventory for fast global delivery.

Over 100,000 CNC Parts in Stock

With an extensive inventory of FANUC and Mitsubishi components, we ensure fast delivery and reliable replacements — minimizing your downtime.

Shop now
Packaging process showing wooden crates for heavy items and reinforced double-layer cartons for standard products.

Fast Global Delivery

  • DHL, UPS, FedEx Global shipping.
  • Expedited shipping available
  • Packed in secure reinforced cartons for maximum protection during transport.
Technician operating FANUC CNC testing benches during system inspection and repair at REACO CNC.

Need Expert Assistance?

Our experienced engineers provide technical support for all FANUC and Mitsubishi CNC parts — including troubleshooting, installation guidance, and repair consultation.

Get in touch

Trusted by

We serve hundreds of manufacturers, distributors, and service providers in industries including machine tools, automotive, electronics, and aerospace.

our_value_parter_2
our_value_parter_3
our_value_parter_4
our_value_parter_8
our_value_parter_5
our_value_parter_7

Hot Selling FANUC Parts

View all