ABB REM611 Motor Protection Relay

The REM611 is a motor protection relay designed for comprehensive protection, control, and monitoring of motors. It provides protection functions such as 50, 50N (CBCT), 46, 49, 37, and 50L/R, along with motor start-up supervision, start attempt limits, and function 95. It supports measurements for 3I and I0, includes 4 digital inputs (DI) and 6 digital outputs (DO), and is equipped with both a front RJ45 port and a rear RJ45 port for IEC-61850 communication. The relay is of drawout type with a built-in CT shorting feature for enhanced safety and convenience.