The ABB SM811K01 3BSE018173R1 is a safety CPU module used in the ABB AC 800M control system.

It is a high-integrity device that is certified for Safety Integrity Level 3 (SIL3), which means it can be used in applications where a failure could cause serious injury or death.

• Safety CPU module: This module is designed for use in safety-critical applications.
• SIL3 certified: It meets the requirements for Safety Integrity Level 3, the highest level of safety integrity for control systems.

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