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Fanuc A20B-8101-033 Main Circuit Board CNC Motherboard oi Series Reliable

Brand Name:	fanuc
Model Number:	A208-8101-033
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 CNC

Fanuc A20B-8101-033 motherboard

Product Description

Fanuc A20B-8101-033 Main Circuit Board

The Fanuc A20B-8101-033 serves as the central processing motherboard in FANUC Series 0i and oi CNC systems, delivering reliable performance for industrial automation applications.

Contact for Details & Orders:

WhatsApp: +86 19539442369 (Sheila Guo, sheila@huiqincnc.com)

WhatsApp: +86 134 3344 4017 (Cici Li, cici@huiqincnc.com)

Technical Specifications

Parameter	Value
Model	A20B-8101-033
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

Product Overview

The Fanuc A20B-8101-033 main circuit board functions as the central processing motherboard in FANUC Series 0i and oi CNC systems. It manages 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 industrial 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

Additional Components

Schunk
Okuma
Infineon
Vickers
CNC accessories and supplies
Series power supply modules
Industrial components
AC 3-phase systems
CNC power supply units

Quality Assurance: All goods are photographed in kind and strictly tested before shipment. Used parts carry a 3-month warranty, while new quality parts include a 12-month warranty.

Product 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