FANUC A20B-3900-0223
FANUC A20B-3900-0223
SKU : A20B-3900-0223
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FANUC A20B-3900-0223
FANUC A20B-3900-0223 | Power Supply Board | CNC Control
Overview
The FANUC A20B-3900-0223 is a CNC power supply board engineered to deliver stable and regulated power to FANUC control systems. By ensuring efficient power distribution, it protects sensitive CNC electronics and maintains reliable machine performance. Built to FANUC’s strict standards, this board is designed for long service life in industrial environments.
Key Features
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Genuine FANUC CNC power supply board
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Provides stable and efficient power distribution
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Ensures reliable CNC system operation
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Compact, durable PCB design
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Long service life under heavy-duty conditions
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Optimized for FANUC control systems
Technical Specifications
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Part Number: A20B-3900-0223
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Manufacturer: FANUC
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Type: Power Supply Board
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Function: Regulated power delivery to CNC electronics
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Compatibility: FANUC CNC controllers and automation systems
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Mounting: PCB integration
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Country of Origin: Japan
Applications
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CNC machining centers and turning lathes
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Milling, drilling, and grinding machines
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FANUC control system retrofits and repairs
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Industrial automation requiring stable CNC power
Why Choose This Board
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FANUC original ensures perfect compatibility and reliability
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Provides consistent and efficient power to CNC systems
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Built to withstand demanding industrial conditions
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Compact design for easy system integration
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Proven for long-term use in CNC maintenance and upgrades
Order Now
The FANUC A20B-3900-0223 CNC power supply board is available and ships worldwide.
PLCpartsstore is an independent seller of surplus and refurbished industrial automation parts.
We are not an authorized distributor, reseller, or representative of the brands featured on this website.
All trademarks, brand names, and logos remain the property of their respective owners.
PLCpartsstore is not affiliated with, endorsed by, or officially approved by Siemens, ABB, Schneider, Rockwell, Fanuc, B&R, or any other manufacturers mentioned.
All products sold by PLCpartsstore include a 1-Year Warranty.
We stand behind the quality and reliability of our parts, covering manufacturing defects under normal operating conditions.
If an issue arises, our team will work with you to provide repair, replacement, or refund options.
We supply New, Factory-Sealed, and Genuine automation components.
All items are carefully inspected before shipment to ensure authenticity, performance, and reliability.
Packaging is original and factory sealed unless otherwise stated in the product listing.
Frequently Asked Questions (FAQ)
Q1: Can I get wholesale pricing?
Yes. If you are a commercial buyer or require bulk quantities, please contact us directly. We offer competitive wholesale pricing for volume orders.
Q2: Do you charge handling fees?
No. We do not charge any hidden handling fees or extra costs. You only pay for the product price and shipping.
Q3: Are there any additional taxes?
No additional taxes will be added by us. However, please note that import duties or customs charges (if any) are the buyer’s responsibility, depending on your country’s regulations.
Q4: I can’t find the part I need in your store, can I request it?
Yes. We stock a large inventory of PLC modules and automation parts, many of which are not yet listed on our website. Please send us your inquiry with the part number, and we’ll check availability for you.

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