Fanuc A20B-2902-0290/08C Main Board
Industrial Automation Control Core
The FANUC A20B-2902-0290/08C Main Board delivers precision control for CNC systems in demanding manufacturing environments. This high-performance module serves as the central processing unit for Fanuc automation systems, enabling efficient machine operation with robust programming support. Its dual digital/analog interfaces and industrial-grade durability ensure reliable performance in continuous production cycles.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | FANUC |
| Model | A20B-2902-0290/08C |
| Type | Control Module |
| Memory | 12 MEG FROM + 256K SRAM |
| Interface | FSSB Basic I/O |
| Voltage | 24V DC |
| Dimensions | 120 × 90 × 40 mm |
| Weight | 0.5 kg |
| Certifications | CE, UL, RoHS |

Industrial Applications
This main board integrates with Fanuc CNC systems including Series 30i/31i/32i and 0i-F models. Essential for:
- Precision machining centers
- Robotic assembly line control systems
- High-speed milling operations
- Automated manufacturing cells
Compatible with Fanuc’s αi and βi servo amplifiers. For specific system integration requirements, contact our technical team via WhatsApp.
Apex Automation Solutions
Since 2014, Apex Automation has provided ready-to-ship industrial automation components with expert technical support. Our services include:
- 1-year performance warranty on all components
- Pre-sales technical consultation for system integration
- Expedited global shipping
- Obsolete equipment replacement solutions
Request pricing or inquire about compatible modules: anikaqx@gmail.com | Cannot locate your specific model? Our sourcing specialists will find it.

















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