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Front view of A20B-2002-0020 Fanuc backplane board with 3-slot layout

FANUC A20B-2002-0020 3-Slot Rack Backplane PCB

In stock

• Testing Video Provided

$578.00 USD
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All parts are covered by REACO CNC warranty

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More than 150,000 parts in stock & ready for delivery

More than 100,000 parts in stock & ready for delivery

FANUC A20B-2002-0020 3-Slot Rack Backplane PCB

Brand FANUC
Model A20B-2002-0020
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

A20B20020020
DISCONTINUED BY MANUFACTURER
3 SLOT BACKPLANE PCB
CONNECTS MAIN
PSU
I/O
OPT
SERIES 16-MC
18-MB
18-TB

Service Test video will be sent before delivery
Packing Cartons

 

The FANUC A20B-2002-0020 is a 3-slot backplane PCB used in FANUC CNC control systems.

This backplane board is designed to connect key CNC system modules, including the main board, power supply unit, I/O module, and option board, helping maintain stable internal communication and power distribution within the control rack.

The A20B-2002-0020 is commonly associated with FANUC Series 16-MC, 18-MB, and 18-TB control configurations.

The A20B-2002-0020 has been discontinued by the manufacturer, but tested replacement backplane PCBs remain important for maintaining existing FANUC CNC equipment.

It is commonly used for 3-slot rack backplane replacement, CNC control rack repair, internal connection troubleshooting, and machine tool maintenance when the original backplane becomes damaged, unstable, or unable to support proper module communication.

  • Backplane connection function tested before shipment
  • In stock and ready for dispatch
  • Worldwide express delivery available

Product Details

  • Brand: FANUC
  • Part Number: A20B-2002-0020
  • Type: Backplane PCB / 3-Slot Rack Board
  • Slot Configuration: 3 Slot
  • Product Series: A20B-2002
  • Compatible Series: FANUC 16-MC / 18-MB / 18-TB
  • Connected Modules: Main Board / PSU / I/O / Option Board
  • Application: FANUC CNC Control Systems
  • Function: Internal module connection and rack communication support
  • Status: Discontinued by Manufacturer
  • Category: CNC Backplane Board / FANUC Control Rack PCB

Common Use Cases

  • FANUC 3-slot backplane PCB replacement
  • CNC control rack communication troubleshooting
  • Main board, PSU, I/O, and option board connection repair
  • Replacement of discontinued FANUC backplane boards
  • Maintenance of FANUC 16-MC, 18-MB, and 18-TB CNC systems

Sales & Support

  • Each backplane PCB is inspected and tested before delivery.
  • Worldwide shipping is available through DHL, UPS, FedEx, and other express carriers.
  • Repair service, warranty coverage, and technical assistance are available for FANUC CNC backplane boards and control system components.
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