SIEMENS 3RK1205-0BE00-0AA2

Siemens 3RK1205-0BE00-0AA2 SIRIUS AS-i Safety Module Description The Siemens 3RK1205-0BE00-0AA2 is a failsafe digital input module from the SIRIUS series, designed for use with AS-Interface (AS-i) networks. It provides a secure method for connecting safety-related sensors, such as emergency stop pushbuttons, safety switches, or light curtains, to a safety controller or monitor. With its compact 22.5mm width, it is ideal for space-saving installations in control cabinets. Specifications Manufacturer: Siemens Product Line: SIRIUS Model Number: 3RK1205-0BE00-0AA2 Product Type: AS-i F-Module S22.5 Number of Failsafe Inputs: 2 (2F-DI) Communication Protocol: AS-Interface Achievable Safety Level: Up to SIL 3 (IEC 61508), PLe (ISO 13849-1) Supply Voltage: via AS-i bus Enclosure Width: 22.5 mm Label Info Model: 3RK1205-0BE00-0AA2 EAN: 4011209590427 Date Code: G/120402 (Year 2012) Application This module is typically used in industrial automation for machine safety applications, including packaging machinery, material handling systems, and production lines where decentralized safety I/O is required. Country of Origin Made in Germany. CO2 Impact Choosing this reused component over a new one prevents the emission of approximately 4.8 kg of CO2, contributing to a more sustainable industrial environment. Availability This is an obsolete product but is available as a spare part. Order now from profideals for expert support and fast delivery. FAQ Question?What is the maximum safety level achievable with the 3RK1205-0BE00-0AA2 module?The module can be used in safety circuits up to SIL 3 according to IEC 61508 and PLe according to ISO 13849-1, provided it is correctly integrated with an AS-i safety monitor.Question?Can this module be used in a standard AS-i network without a safety monitor?No, to achieve the safety function, this F-DI module must be used in an AS-Interface network that includes a compatible AS-i Safety Monitor (e.g., a Siemens 3RK3 or a safety PLC with AS-i master).Question?What does the ‘SO.B.F’ designation on the label mean?This is a Siemens-specific code. ‘SO’ stands for ‘Standard housing’, ‘B’ indicates the width of 22.5 mm, and ‘F’ signifies it is a Failsafe (safety-related) device. Last Update: March 13, 2026 profideals is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.