Siemens 3RK31112AA10

The Siemens 3RK31112AA10 is a central unit designed for the modular safety system 3RK3 series. This basic unit supports configurable digital inputs and outputs, including 4 or 8 F-DI channels, one F-RO, and one F-DO, all operating at 24 V DC. It can be easily parameterized using Safety ES software, allowing flexible setup to meet specific safety requirements. With a compact overall width of 45 mm and spring-type terminals for secure connections, this unit is engineered to achieve high safety standards up to SIL3 according to IEC 61508 and Performance Level E under ISO 13849-1. Distributed by BSP Automation, it offers a reliable and user-friendly solution for industrial safety control applications.