The product with the code 3BSE018173R1 from ABB is the SM811K01 Safety CPU Module, part of the AC 800M series. Here are some key details:

Safety Certification: Certified for SIL3 (Safety Integrity Level 3), ensuring high integrity and reliability.

Compatibility: Designed to collaborate with the PM865 processor and connects to the CEX bus after the BC810 interconnection box.

Included Components: Comes with the SM811 Safety Module, TP868 Baseplate, and TK852V10 Synchronization Link Cable.

Applications: Ideal for safety-critical systems in industrial automation.

Compliance: Note that this module is not RoHS 2 compliant and is intended for systems placed on the market before July 22, 2017. For new installations, ABB recommends the SM812K01 instead.