ABB REM620E_1G Motor Protection Relay Most Favorable

ABB REM620 – Motor Management Relay

Overview

The REM620 is a dedicated motor management relay designed for the protection, control, measurement, and supervision of medium- and large-sized asynchronous and synchronous motors. It is ideal for use in the manufacturing and process industries.

Part of ABB’s Relion® protection and control family, REM620 belongs to the 620 series, offering comprehensive functionality and scalability for demanding motor protection applications.

Scope of Application

• Designed for medium- and large-sized asynchronous and synchronous motors

• Suited for applications requiring advanced protection, control, and monitoring in industrial environments

Key Benefits

• Full-featured motor protection and control with support for both conventional instrument transformers and sensor-based measurements

• Scalable functionality with flexible configuration options tailored to specific application needs

• Withdrawable plug-in unit design ensures fast and simple installation, maintenance, and testing

• Large graphical display with customizable single-line diagrams (SLDs), viewable locally or via web-based HMI

• Supported by ABB’s comprehensive life-cycle services

Key Features

• Comprehensive motor protection for both asynchronous and synchronous motors, including differential protection

• Protection during both motor start-up and normal running conditions, with fault detection and clearance during abnormal states

• Advanced motor supervision using RTD and mA measurements, with optional arc protection

• Full compliance with IEC 61850 Editions 1 and 2, supporting:

• HSR (High-availability Seamless Redundancy)

• PRP (Parallel Redundancy Protocol)

• GOOSE messaging

• IEC 61850-9-2 LE for reduced wiring and supervised communication

• Additional communication protocols supported:

• Modbus

• DNP3

• IEC 60870-5-103

• Flexible time synchronization options, including IEEE 1588 V2 Precision Time Protocol for high-accuracy timing