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FANUC A20B-2004-0690
by Fanuc
Read verified buyer reviews ↓OverviewThe FANUC A20B-2004-0690 Power Supply Printed Circuit Board (PCB) is an essential component specifically engineered for integration within FANUC Computer Numerical Control (CNC) systems. This unit is crucial for precisely regulating and consistently distributing power to vital control units and associated electronics. Its robust construction and dependable operation are paramount for maintaining the overall stability, efficiency, and longevity of your industrial machinery, providing the reliable foundation upon which intricate manufacturing processes depend. Choosing a genuine FANUC power supply like the A20B-2004-0690 is an investment in the uninterrupted productivity and precision of your operations.Key Features Dedicated FANUC Compatibility: Designed as an OEM power supply PCB, ensuring perfect integration and peak performance within FANUC CNC systems. Stable Voltage & Current Delivery: Engineered to provide highly regulated and consistent voltage and current, crucial for the delicate electronics and precise operations of CNC machines. High-Performance Industrial-Grade Components: Constructed with premium components selected for their durability and ability to withstand the demanding conditions of industrial environments, promising extended operational life. Compact Form Factor: Cleverly designed with space-saving dimensions to allow for efficient and straightforward integration within existing CNC cabinet layouts without modifications. Authentic OEM Replacement: Serves as a direct and reliable replacement for original FANUC control unit power supplies, guaranteeing compatibility and restoring original operational specifications. Enhanced System Stability: Contributes directly to the overall stability of your CNC system by preventing power fluctuations that can lead to errors or damage to sensitive components. Technical Specifications Type: Power Supply PCB Function: Voltage regulation and efficient power distribution across the CNC system. Compatibility: Engineered for a wide range of FANUC CNC control series, ensuring broad applicability. Voltage Input/Output: Adheres strictly to FANUC standard voltage ranges, ensuring safe and optimal operation with other FANUC components. Mounting: Designed for secure internal installation within the CNC cabinet. Part Number: A20B-2004-0690 Brand: FANUC Applications CNC Machining and Turning Centers: Essential for providing stable and reliable power to the control systems of various CNC machine tools, including mills, lathes, and grinders. FANUC System Maintenance and Repairs: An indispensable component for corrective and preventive maintenance routines, ensuring the continued optimal functioning of FANUC-controlled equipment. Replacement for Aging or Faulty Power Boards: Ideal for upgrading or replacing outdated, failing, or damaged power supply PCBs to restore full functionality and prevent potential system failures. Industrial Automation and Robotics: Plays a critical role in powering the control electronics within complex industrial automation setups and robotic systems that utilize FANUC controllers. System Upgrades and Modernization: Facilitates system upgrades by ensuring a solid power foundation for enhanced control capabilities and added functionalities. Why ChooseChoosing the FANUC A20B-2004-0690 Power Supply PCB signifies an investment in unparalleled reliability and performance. This unit is designed to operate effectively in the most stringent industrial environments, offering unwavering performance even under harsh conditions. Its genuine FANUC quality ensures seamless compatibility and integration with your existing FANUC CNC system, eliminating uncertainties often associated with third-party components. By integrating this power supply, you significantly minimize costly downtime, prevent potential system malfunctions, and ensure the continuous stability of your control units.Order NowUpgrade your industrial automation system with the reliable FANUC A20B-2004-0690 Power Supply PCB. Reach out to our sales team today to secure this essential component and enhance your operational efficiency.FAQWhat is the primary function of the FANUC A20B-2004-0690?The primary function is to provide regulated and stable power distribution to critical control units and other electronic components within FANUC CNC systems.Is this power supply compatible with all FANUC CNC systems?It is engineered for a wide range of FANUC CNC control series, ensuring broad applicability. Please consult your system's documentation for specific compatibility details.Why is genuine FANUC replacement important for this part?Genuine FANUC parts, like the A20B-2004-0690, ensure perfect integration, optimal performance, and adherence to original operational specifications, minimizing the risk of system instability or damage.Can this PCB be used for system upgrades?Yes, it facilitates system upgrades by providing a solid power foundation for enhanced control capabilities and additional functionalities.
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FANUC A20B-2004-0690
Overview
This is a genuine Fanuc component from the CNC Systems family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Fanuc catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Fanuc automation ecosystem
- Engineered to integrate inside CNC Systems installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Fanuc equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Fanuc catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Fanuc platform with documented conversion notes for the CNC Systems family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Type: Power Supply PCB
- Function: Voltage regulation and efficient power distribution across the CNC system.
- Compatibility: Engineered for a wide range of FANUC CNC control series, ensuring broad applicability.
- Voltage Input/Output: Adheres strictly to FANUC standard voltage ranges, ensuring safe and optimal operation with other FANUC components.
- Mounting: Designed for secure internal installation within the CNC cabinet.
- Part Number: A20B-2004-0690
- Brand: FANUC
Applications
- CNC Machining and Turning Centers: Essential for providing stable and reliable power to the control systems of various CNC machine tools, including mills, lathes, and grinders.
- FANUC System Maintenance and Repairs: An indispensable component for corrective and preventive maintenance routines, ensuring the continued optimal functioning of FANUC-controlled equipment.
- Replacement for Aging or Faulty Power Boards: Ideal for upgrading or replacing outdated, failing, or damaged power supply PCBs to restore full functionality and prevent potential system failures.
- Industrial Automation and Robotics: Plays a critical role in powering the control electronics within complex industrial automation setups and robotic systems that utilize FANUC controllers.
- System Upgrades and Modernization: Facilitates system upgrades by ensuring a solid power foundation for enhanced control capabilities and added functionalities.
Why Choose the A20B-2004-0690?
Choosing the FANUC A20B-2004-0690 Power Supply PCB signifies an investment in unparalleled reliability and performance. This unit is designed to operate effectively in the most stringent industrial environments, offering unwavering performance even under harsh conditions. Its genuine FANUC quality ensures seamless compatibility and integration with your existing FANUC CNC system, eliminating uncertainties often associated with third-party components. By integrating this power supply, you significantly minimize costly downtime, prevent potential system malfunctions, and ensure the continuous stability of your control units.
Availability & Shipping
- ▸In stock: A20B-2004-0690 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every A20B-2004-0690 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Fanuc
Machine down? We ship parts the same day.
New, surplus, and refurbished Fanuc inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.