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The ABB SM811K01 3BSE018173R1 Safety CPU Module provides SIL3-certified integrity for demanding safety-critical applications. ABB engineered this module with a 300 MHz processor, 128 MB RAM, and 64 MB Flash memory, ensuring reliable execution of safety functions.
This unit operates at 24V DC (±10%) with typical 15W consumption, supporting Ethernet router communication. Its compact 18.5×6.5×12.5 cm design and 0.5 kg weight allow seamless integration into ABB DCS systems.
| Parameter | Value |
|---|---|
| Model Number | SM811K01 3BSE018173R1 |
| Module Type | Safety CPU Module |
| Manufacturer | ABB |
| Product Range | ABB |
| Dimensions | 18.5 × 6.5 × 12.5 cm |
| Weight | 0.5 kg |
| Processor | 300 MHz |
| Memory | 128 MB RAM, 64 MB Flash |
| Power Supply | 24V DC (±10%), 15W |
| Communication Service | Ethernet router |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Tolerance | 5–95% non-condensing |
| HS Code | 8537101190 |
| Origin | Sweden |
| Condition | Brand New |
| MOQ | 1 |
| Lifecycle Status | Active |
The SM811K01 3BSE018173R1 connects via the CEX bus after BC810 interconnection, ensuring compatibility with ABB PM865 safety CPUs. It includes the SM811 safety module, TP868 baseplate, and TK852V10 synchronization cable for complete deployment.
This module is non-RoHS 2 compliant and restricted to legacy system maintenance under EU regulations. ABB recommends the SM812K01 for new projects, while the SM811K01 3BSE018173R1 remains essential for repair and upgrade of pre-2017 installations.
The ABB SM811K01 3BSE018173R1 Safety CPU Module is ideal for maintaining legacy ABB safety systems in manufacturing, energy, and infrastructure sectors. It supports repair and reuse of installations requiring SIL3 compliance, ensuring continued reliability in critical safety environments.

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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.
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