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Fanuc A20B-2101-039 Main Circuit Board CNC Motherboard oi Series Reliable

Name: Fanuc A20B-2101-039 Main Circuit Board CNC Motherboard oi Series Reliable
Brand: Dongguan Huiqin CNC Co.,Ltd.
SKU: A20B-2101-039
Availability: InStock

Brand Name:	fanuc
Model Number:	A20B-2101-039
MOQ:	1pcs
Price:	Chat Now
Payment Terms:	T/T
Supply Ability:	100pcs/months

Detail Information

Product Description

Detail Information

Place of Origin:

Packaging Details:

paper box

Highlight:

Fanuc CNC motherboard oi series

Fanuc main circuit board A20B-2101-039

Fanuc CNC accessory with warranty

Product Description

Fanuc A20B-2101-039 Main Circuit Board

CNC Motherboard for oi Series - Reliable Performance

Product Overview

Huiqin CNC supplies key components including drives, modules, and controllers for top industrial automation brands. Our extensive inventory ensures rapid availability of virtually any industrial automation part available in China.

Contact Our Specialists

WhatsApp: +86 19539442369

Sheila Guo: +86 19539442369 | sheila@huiqincnc.com

Cici Li: +86 134 3344 4017 | cici@huiqincnc.com

Product Specifications

Model	A20B-2101-039
Type	Printed Circuit Board (Main CPU / Motherboard)
Series	FANUC Series 0i / oi / oi-Mate
Function	CNC System Core Processing & Control
Voltage	24V DC (control circuit) / 200-230V AC input via PSU
Mounting	Rack-mounted inside CNC control cabinet
Operating Temperature	0°C to 55°C
Protection	Standard industrial enclosure required
Weight	Approx. 0.9–1.2 kg
Applications	CNC lathe, machining center, milling, turning, grinding, robotic cell, automated production line

Key Features & Benefits

The Fanuc A20B-2101-039 main circuit board serves as the central processing motherboard in FANUC Series 0i and oi CNC systems, managing servo axis control, spindle operations, PMC ladder execution, I/O communication, and high-speed data processing for reliable multi-axis machine tool performance.

This high-reliability CNC main PCB supports stable operation in high-speed machining centers, turning lathes, grinding machines, and robotic automation cells where precision, fast cycle times, and diagnostic capability are essential.

As a key CNC system component, it enhances machine throughput, reduces downtime through proven industrial-grade design, and improves overall system responsiveness when paired with Fanuc power supply units, servo amplifiers, I/O modules, and industrial components.

We Solve Your Sourcing Problems

Tired of managing multiple suppliers? We consolidate your needs
Facing long lead times? Our Dongguan-based hub ensures rapid delivery
Struggling to find obsolete or specialized parts? Our extensive network is your solution

Your Go-To Source for Top-Tier Brands

We specialize in the components you use daily:

Controllers & Drives: Mitsubishi, Allen-Bradley, Yaskawa, Siemens (PLCs, HMIs, Servo Drives)
Precision Components: Encoders, Sensors, Control Modules (Fanuc, Omron, etc.)
Mechanical Core: THK/HIWIN Linear Guide Rails & Sliders
And More: Parts for Schunk, Okuma, Infineon, Vickers, and other major brands

Warranty Information

All goods are photographed in kind and strictly tested before shipment. Used parts are guaranteed for 3 months. New quality warranty: 12 months.

Keywords

fanuc series
main circuit board
cnc control cabinet
cnc system
automated production line
turning lathes
cnc accessory
cnc supplies
servo axis
board supports
industrial enclosure

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FANUC CNC Accessory Products

FANUC Encoder

FANUC Motor

FANUC Drive Amplifier

FANUC I/O

FANUC circuit board

Mitsubishi CNC Accessory Products

Mitsubishi Encoder

Yaskawa CNC Accessory Products

Siemens CNC Accessory Products

ABB CNC Accessory Products

FANUC CNC Accessory Products

FANUC Controller

FANUC Encoder

FANUC Motor

FANUC Drive Amplifier

FANUC I/O

FANUC circuit board

FANUC other parts

Mitsubishi CNC Accessory Products

Mitsubishi Controller

Mitsubishi Encoder

Mitsubishi Motor

Mitsubishi Drive

Mitsubishi circuit board

Mitsubishi other parts

Yaskawa CNC Accessory Products

Siemens CNC Accessory Products

ABB CNC Accessory Products