Siemens SIRIUS 3RK3 Basic Central Unit
Siemens SIRIUS 3RK3 Basic Central Unit for modular safety systems.
The Siemens SIRIUS 3RK3111-2AA10 is a basic central unit for the modular safety system 3RK3. It is configurable using the Safety ES software and features 4/8 fail-safe digital inputs (F-DI), 1 fail-safe relay output (F-RO), and 1 fail-safe digital output (F-DO). This unit operates on 24V DC and has a width of 45mm with spring-loaded terminals.
This safety relay is designed to meet high safety integrity levels, up to SIL 3 according to IEC 61508 and Performance Level E according to ISO 13849-1. It is crucial for applications requiring robust safety functions in industrial machinery and automated processes, ensuring operator and equipment protection.
Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens 3RK3111-2AA10. We offer reliable access to safety components, helping you maintain operational safety and compliance.
| Type | Central Unit |
| Series | SIRIUS 3RK3 |
| Inputs | 4/8 F-DI |
| Outputs | 1 F-RO, 1 F-DO |
| Voltage | 24 V DC |
| Width | 45 mm |
| Terminal Type | Spring-loaded |
| Safety Level | SIL 3 (IEC 61508), PL E (ISO 13849-1) |