SICK – T4000-1RBA01 – Non-Contact Safety Switch / Evaluation Unit (24 V DC)

The SICK T4000-1RBA01 (part no. 6012147) is a non-contact safety switch / evaluation unit used in safety interlock systems. It functions as the “brain” of a safety system by interpreting signals from coded actuators and providing redundant relay outputs, diagnostic output, and error monitoring.