ABB REF620 Feeder Protection Relay – Advanced Protection and Control Solution

The ABB REF620 is a dedicated feeder management relay designed for protection, control, measurement, and supervision of feeders in utility and industrial power distribution systems. Ideal for radial, looped, and meshed networks, it effectively supports systems with or without distributed power generation.

As part of ABB’s trusted Relion® family and the 620 protection and control series, the REF620 integrates multiple functionalities in a compact and versatile solution. It offers comprehensive protection, seamless monitoring, precise control, and robust supervision – all within a single device.

Engineered for reliable operation in demanding environments, the REF620 is the perfect choice for both new installations and retrofit projects, helping you achieve efficient and intelligent power distribution management.