Siemens 6ES5105-3RA11

The Siemens 6ES5105-3RA11 is a SIMATIC S5 CC 105R central controller designed to handle up to 500 program elements. This unit features a central processing unit with four module slots, allowing for flexible expansion and integration of I/O modules. It operates on an AC mains connection of 220/240V, but without a manual power switch. Distributed by BSP Automation, this controller is well-suited for reliable process control applications where robust and modular automation hardware is required.