Category Archives: Real-Time Automation Controller

SEL-3505 RTAC

SEL-3505 RTAC

The SEL 3505 is the newest, and low-end version of the RTAC. It supports Modbus, DNP3, IEC 61950, and GOOSE…

SEL 3555 RTAC

SEL 3555 RTAC

The SEL 3555 on the high end of the RTAC family. It’s an RTU supporting Modbus, DNP3, IEC 61950, and…

SEL-3530

SEL-3530

Real time automation controller, also known as RTAC, is popular in substation applications and industrial control applications. It provides similar…