REF620 Feeder Management Relay – Compact and Versatile Protection Solution for Power Distribution Systems

The REF620 is a dedicated feeder management relay designed for protection, control, measurement, and supervision in utility and industrial power distribution systems. It effectively supports radial, looped, and meshed networks, whether or not distributed power generation is present.

This compact and versatile feeder protection relay integrates protection, control, monitoring, and supervision functions into a single unit, providing an all-in-one solution for modern power distribution needs. It ensures the safety, stability, and efficiency of overhead lines and cable feeders, making it a crucial component for enhancing system reliability.

As part of ABB’s Relion® family, the REF620 is a member of the 620 protection and control product series, offering seamless integration into existing networks while ensuring optimal protection and operational efficiency.