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The ABB PM856AK01 3BSE066490R1 Processor Unit is a high-performance controller designed for mission-critical automation. Featuring an 800MHz processor and 128MB RAM, it delivers robust execution of complex control algorithms in industries such as power generation and oil & gas.
Its compact 19×12×13.5 cm housing and 0.92 kg weight make the PM856AK01 3BSE066490R1 suitable for space-constrained installations, while IP20 protection ensures durability in harsh environments.
| Parameter | Value |
|---|---|
| Model Number | PM856AK01 3BSE066490R1 |
| Module Type | Processor Unit |
| Manufacturer | ABB |
| Product Range | Advant OCS/800xA |
| Dimensions | 19 × 12 × 13.5 cm |
| Weight | 0.92 kg |
| Processor | 800MHz |
| Memory | 128MB RAM |
| Communication Ports | Dual 10/100Mbit Ethernet, serial interfaces |
| Protection | IP20 |
| Operating Temperature | -25°C to +70°C |
| System | DCS |
| HS Code | 8537101190 |
| Origin | Sweden |
| Condition | Brand New |
| MOQ | 1 |
| Lifecycle Status | Active |
The PM856AK01 3BSE066490R1 supports both standard and redundant configurations, ensuring reliable data exchange within ABB 800xA distributed control systems and third-party networks. Its modular architecture allows flexible expansion while maintaining compact dimensions.
Engineered for seamless integration, this processor unit provides a stable foundation for sophisticated control architectures, ensuring smooth migration paths within AC 800M controller families.
The ABB PM856AK01 3BSE066490R1 Processor Unit is ideal for power generation, oil & gas, and manufacturing industries requiring high-performance automation. It integrates seamlessly with ABB’s Advant OCS/800xA systems, offering engineers a reliable solution for mission-critical control.
Its combination of processing power, connectivity, and rugged design makes it a trusted choice for industrial automation projects requiring precision and scalability.

Quick dispatch from our global inventory to reduce downtime and ensure uninterrupted operations.
All parts are sourced from reputable manufacturers and undergo thorough quality checks.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.
All product names, trademarks, brands, and logos mentioned on this website are the property of their respective owners.These names and trademarks are used for identification and reference purposes only.We are an independent supplier of industrial automation spare parts.We are not an authorized distributor, dealer, or representative of any manufacturer.Products supplied may include surplus inventory or unused items.We do not claim any affiliation with or endorsement by the original manufacturers.