Product Description

ABB FEEDER PROTECTION AND CONTROL REF620 ANSI  NUMERICAL RELAY

Reliability, security, and dependability with Relion®
The REF620 is a dedicated feeder relay perfectly aligned for the protection, control, measurement and supervision of utility substations and industrial power systems.

REF620 is a member of ABB’s Relion® family and a part of its 620 protection and control product series. The 620 series A are characterized by flexibility and performance for demanding utility distribution and industrial applications. Engineered from the ground up, the 620 series has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability of substation automation devices.

Scope

Feeder protection for overhead lines, cable feeders, and busbar systems of distribution substations.
Product benefits

Maximized capital by keeping assets working longer with designs that require less equipment and space
Enhanced safety by reducing hazards with safety-conscious designs
Increased reliability by maintaining vital operations with steady, high-quality power every minute of every day
Reduced operating costs with effective energy management and maintenance strategies
More flexible system upgrades without rewiring or changing components
Ease of integration with non-proprietary IEC 61850 communications
Product features

Drawout design
Underground, overhead cable fault detection (CFD)
High-impedance (HIZ) fault detection
Arc flash detection (AFD)
Ring-lug terminals for all inputs and outputs
Programmable push buttons