ABB REF620 IEC Feeder Protection and Measurement Control Unit Key benefits

The REF620 is a member of the 620 Protection, Measurement and Control product family within the ABB Relion® product family.

Key benefits

Protection, control, monitoring and management integrated in a single relay provides a compact and versatile solution for public and industrial power distribution systems

Wide range of protection and control functions, either with sensors or conventional CTs and PTs

Functional scalability and wide range of applications allow users to easily customize configuration applications to meet specific requirements

Pluggable design for quick installation and testing

Large LCD screen with single-line graphic display, accessible locally or via an easy-to-connect and navigate HMI

Thoughtful product lifecycle service

Key Features

Wide range of protection and control functions for incoming or outgoing applications

Multi-frequency conductive earth protection package with high sensitivity and selectivity

State-of-the-art, fast short-circuit and earth fault localization

Several optional function packages - for distributed generation, capacitors, basic motor and arc-light protection

Supports IEC61850 Version 1 and Version 2. including redundant HSR and PRP, GOOSE and IEC61850-9-2

Supports Modbus, DNP3. IEC 60870-5-103 communication protocols and different time synchronization methods, including IEEE 1588 v2 precision time protocols