Product Details: ABB REM620 Motor Protection & Control IED

The ABB REM620 is a dedicated digital motor protection, control, and monitoring intelligent electronic device (IED) belonging to the Relion® 620 series. It is designed for medium-voltage and large low-voltage asynchronous and synchronous motors, providing complete, reliable, and intelligent protection for critical motors in industrial applications.

Core Functions

Complete Motor Protection: Integrates main differential protection, thermal overload, locked rotor, over-current, earth fault, phase failure, voltage unbalance, over/under voltage, and start-up supervision.

Precise Measurement & Monitoring: Real-time monitoring of current, voltage, power, energy, frequency, and up to 14 RTD temperature inputs for stator, bearing, and winding temperature.

Flexible Control & Logic: Supports circuit breaker control, interlock logic, anti-disturbance, automatic restart, and 6 setting groups for multi-condition switching.

Strong Communication Compatibility: Supports IEC 61850, Modbus RTU/TCP, DNP3, and IEC 60870-5-103 for seamless digital system integration.

Key Features

Advanced differential protection for fast and accurate fault removal

Withdrawable plug-in design for easy installation and maintenance

Stable performance in harsh industrial environments

Wide application in petrochemical, metallurgy, power generation, mining, cement, and water treatment industries

Typical Applications

The REM620 is widely used in large motor systems, motor control centers (MCC), and industrial power distribution systems, ensuring safe, stable, and efficient operation of key motors.