Description
xFANUC A16B-2203-0642 PCB / Power Board (αi Series)
The A16B-2203-0642 from FANUC is an internal power supply PCB (printed circuit board) used in FANUC αi series CNC drive systems. It is a power board section responsible for internal electrical distribution and control within servo or power supply modules.
Detailed Product Description (Website Ready)
The FANUC A16B-2203-0642 is a power circuit PCB designed for integration inside FANUC αi drive and power supply modules. It manages internal power routing, voltage regulation pathways, and communication between major electrical components such as rectifiers, capacitors, and servo interfaces.
This board is not a standalone unit—it is typically installed within servo amplifiers or power supply modules (PSM / AiPS units), where it ensures stable DC power flow and reliable system performance.
In many configurations, this PCB is used in modules like A06B-6110 series power supplies, making it a critical component for CNC machine operation.
Key Features & Functions
Power Board Section (Internal PCB)
Acts as the core electrical distribution board inside FANUC drive modules.
Used in αi Power Supply / Servo Modules
Commonly integrated into FANUC A06B-series power supply units and servo amplifiers.
Ensures Stable Power Flow
Supports consistent DC voltage delivery to servo and spindle drives, improving machine accuracy and reliability.
Industrial-Grade Design
Built for continuous operation in CNC environments with high electrical load and temperature variations.
Critical for System Functionality
Failure of this PCB can lead to power instability or complete module malfunction.
Technical Overview (General)
- Model: A16B-2203-0642
- Type: Power Supply PCB / Power Board
- Series: FANUC A16B-2203 PCB Series
- Function: Internal power distribution and circuit control
- Installation: Inside servo amplifier or power supply module
- Configuration: Non-standalone component
Applications
- FANUC αi power supply modules (PSM / AiPS)
- Servo amplifier systems
- CNC machining centers
- Industrial automation equipment
- Repair and refurbishment of FANUC drive systems
Important Notes
- This PCB is typically not sold as a standalone operational unit and is mainly used for repair or replacement inside complete modules.
- Variants such as /07B or /08B versions may exist depending on configuration and system compatibility.
- Commonly available as refurbished or used parts in the industrial spare market.
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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