FANUC A20B-2101-0390 CNC Control Board / Main Board Assembly
Purchase the genuine FANUC A20B-2101-0390 CNC Control Board Assembly. This reliable main board is a key replacement part for FANUC CNC systems, featuring Ethernet and RS2 connectivity for optimal machine performance.
FANUC A20B-2101-0390 CNC Control Board / Main Board Assembly
The FANUC A20B-2101-0390 is a critical main board assembly designed for integration into FANUC CNC control systems. This multi-board unit serves as the central processing hub, managing machine logic, axis control, and communication protocols. Engineered for reliability in demanding industrial environments, it features large aluminum heat sinks for effective thermal management and a robust I/O interface module for comprehensive connectivity. This assembly is an essential component for maintaining and repairing CNC machinery, ensuring precise operation and minimizing downtime.
Technical Specifications:
- Model Number: A20B-2101-0390
- Product Type: CNC Control Main Board Assembly
- Associated Part Numbers: A20B-2101-0392, A20B-2101-004
- Interfaces: Ethernet (Eth1 10/100 UTP), RS2 Communication Port, I/O Screw Terminal Blocks (1-36)

| Brand | Fanuc |
|---|---|
| Model | A20B-2101-0390 |
GENERAL DELIVERY INFORMATION
Thank you for visiting and shopping at www.zxanhyd.com. Following are the terms and conditions for the Shipping Policy for ZXAN Hydraulic.
Orders will be processed and shipping during standard working hours (0830 – 1730 BST) Monday to Friday (excluding Bank Holidays)., are processed and despatched on the same business day. If we are experiencing a high volume of orders, shipments may be delayed by 1-2 Days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
NTERNATIONAL DELIVERY RATES & ESTIMATES
Shipping charges for your order will depend on weight and country the order is to be shipped to. All cost will be calculated and displayed at checkout. All orders for delivery within the Asia will arrive on a 2-5 day delivery service depending on Country location. All shipments outside the Asia will arrive on a 3–7-day delivery service depending on Country location. Please check for accurate delivery times with our Sales department. If you Parcel has not arrived within the time expected please do not hesitate to contact us. Please ensure the ship to address you type during checkout is correct. We are not responsible for any wrong or undeliverable addresses.
CUSTOMS, DUTIES AND TAXES
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling cost. These charges are the buyer’s responsibility as we are only charging the transportation fee for your order. You may check with your country’s customs office to determine if there will be additional costs. The buyer is responsible for obtaining information regarding their country’s laws, regulations, and restrictions that may apply when purchasing our products. By placing an international order (shipping outside of the China) the buyer is responsible for abiding by their country’s laws, regulations, and restrictions. If product is seized and destroyed by customs, we will NOT be responsible for the losses, product, or shipping refunds.
SHIPMENT CONFIRMATION & ORDER TRACKING
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.
WORKING CLOSELY WITH TOP CARRIER EXPERTS
We use some of the top carrier companies in the world, although you can use your own carrier to collect the order. All deliveries require a signature on delivery. Below are our main carrier companies.

DAMAGES
ZXAN Hydraulic is not liable for any products damaged or lost during shipping. If you received your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
RETURNS POLICY
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.

