Name: FANUC A20B-3900-0242 PCB
Brand: FANUC
Price: 283.0 USD
Availability: InStock

A20B-3900-0242 Fanuc 64 MEG FROM 1 MEG SRAM memory module A1

FANUC A20B-3900-0242 PCB

FANUC A20B-3900-0242 CNC Memory Module A1

In stock

$283.00 USD

Shipping:

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

Returns: 14 days returns. See details

All parts are covered by REACO CNC warranty

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FANUC A20B-3900-0242 CNC Memory Module A1

Brand	FANUC
Model	A20B-3900-0242
Handing time	within 1-2 working days
Shipping Method	DHL/UPS/FedEx
Estimated Delivery Time (via DHL)	Asia: 1-3 business days Europe: 2-4 business days North America: 2-4 business days South America: 3-6 business days Middle East & Africa: 3-6 business days Oceania: 2-5 business days
Warranty	NEW/Refurbished: 1-Year warranty Used(90% New): 3-Month warranty
Category	PCBs
Parameter Description	A20B39000242 PC Board CNC
Service	Test video will be sent before delivery
Packing	Cartons

The FANUC A20B-3900-0242 is a 64MB FROM / 1MB SRAM memory module used in FANUC CNC control systems.

This Module A1 provides memory support for CNC system files, parameters, programs, and data handling, helping maintain stable controller operation in machine tool applications.

After installation or replacement, the customer may need to reload all FROM files, parameters, and programs according to the original CNC system configuration.

It is commonly used for CNC memory module replacement, system data restoration, SRAM/FROM module repair, and machine tool maintenance when the original module becomes faulty, unstable, or unable to retain data correctly.

Fully tested before shipment
In stock and ready to ship
Fast global shipping available

Product Details

Brand: FANUC
Part Number: A20B-3900-0242
Type: Memory Module / SRAM Module
Module Version: A1
Memory Capacity: 64MB FROM / 1MB SRAM
Product Series: A20B-3900
Application: FANUC CNC Control Systems
Function: System file storage, parameter support, and program data handling
Installation Note: FROM files, parameters, and programs may need to be reloaded
Category: CNC Memory Module / FANUC SRAM Board

Common Use Cases

FANUC CNC memory module replacement
FROM and SRAM module repair
CNC parameter and program storage support
System data restoration after memory replacement
Troubleshooting memory-related CNC control faults

Sales & Support

Each memory module is inspected and tested before delivery.
Worldwide shipping is available through DHL, UPS, FedEx, and other express carriers.
Repair service, warranty coverage, and technical support are available for FANUC CNC memory modules and control components.

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Over 100,000 CNC Parts in Stock

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Fast Global Delivery

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Packed in secure reinforced cartons for maximum protection during transport.

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