Description
Mitsubishi A2USCPU
Reliable legacy MELSEC-A series CPU module for established industrial automation systems requiring proven performance and long-term stability
| Brand | Mitsubishi |
| Model | A2USCPU |
| Voltage | 5V DC (via base unit) |
| Country of Origin | Japan |
| Weight | 0.45 kg |
| Dimensions | 130 x 54.5 x 110 mm |
| Certifications | CE, UL, cUL |
| SKU / MPN | A2USCPU |
| What’s in the box | A2USCPU CPU module, user manual, battery connector |
| Series | MELSEC-A (A2US) |
| Program Memory | 64K steps |
| I/O Points | Up to 512 points |
| Communication | RS-232C, RS-422 |
| Instruction Set | Sequential instructions + dedicated instructions |
| Mounting Type | Base unit (A2US series) |
Key benefits: 64K step program memory, high-speed processing, compatibility with A2US I/O and special function modules, robust industrial design, proven reliability in factory environments
Typical applications: Machine tool control, factory automation retrofits, conveyor systems, process control in legacy Mitsubishi installations, packaging machinery, automotive assembly lines
Lifecycle: Mature/legacy product, supported for maintenance and replacement purposes
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.






Richard S. –
Excellent build quality on the terminal blocks. Makes panel wiring neat and fast.