SIEMENS 3RK1105-1BE04-0CA0

Siemens SIRIUS AS-i Safety Monitor 3RK1105-1BE04-0CA0 Description The Siemens 3RK1105-1BE04-0CA0 is a basic safety monitor from the proven SIRIUS series, designed for use within an AS-Interface (AS-i) network. It provides reliable monitoring of safety-related sensors and executes safe shutdowns when required. This compact unit simplifies safety circuit design by combining monitoring and output functions in a single device, making it ideal for decentralized safety concepts. Specifications Manufacturer: Siemens Product Series: SIRIUS Model: AS-i Safety Monitor Basic Type Number: 3RK1105-1BE04-0CA0 Power Supply: Via AS-Interface network Release Circuits: 2 x relay, NO contacts Max. Response Time: 40 ms Safety Level: SIL 3 according to IEC 61508, PL e according to ISO 13849-1 Degree of Protection: IP20 Label Info Part Number: 3RK1105-1BE04-0CA0 EAN: 4011209533134 Description: Sicherheitsmonitor / Safety Monitor Outputs: zwei Freigabekreise / two release circuits (40ms) Application This safety monitor is commonly used in manufacturing, packaging, and logistics automation to monitor emergency stop pushbuttons, safety door switches, and light curtains connected to an AS-i network. Its fast response time ensures rapid and safe machine stops. Country of Origin This product is manufactured in the Czech Republic. CO2 Impact By purchasing this pre-owned component, you help avoid the emission of approximately 10 kg of CO2, which is associated with the production of a new unit. This is comparable to the emissions of a 50 km car journey. Availability This item is in stock and ready for immediate dispatch. Order now from profideals for expert support and fast delivery. FAQ What is the maximum number of safety slaves this monitor can manage?The 3RK1105-1BE04-0CA0 can monitor a network with up to 31 AS-i safety slaves. Is this safety monitor configurable?As a ‘Basic’ unit, this monitor has fixed, pre-defined parameters for straightforward applications. For more complex logic or configurability, extended versions or other Siemens safety controllers are available. What are the two release circuits used for?The two release circuits are independent, normally-open (NO) relay outputs. They are used to safely interrupt the power to machine actuators, such as motor contactors or drive enable signals, to bring the equipment to a safe state. Last Update: Friday, 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.