The ABB REF601 is a reliable and compact feeder protection relay designed to deliver high-performance protection for power distribution systems. As part of the ABB Relion® 605 series, this microprocessor-based device provides essential overcurrent, earth fault, and voltage disturbance protection, making it ideal for utilities, substations, and industrial networks.

Equipped with advanced Rogowski coil sensors, the REF601 ensures precise current measurement and fast fault detection. Its intelligent design supports both standalone and communication-integrated systems via protocols like IEC 61850, enabling seamless integration into smart grid environments.

Key Features:

• Model: REF601

• Series: Relion® 605

• Microprocessor-based protection for feeders and distribution networks

• Detects overcurrent, earth faults, and voltage disturbances

• Uses Rogowski coil sensors for accurate, non-intrusive current measurement

• Supports IEC 61850, Modbus, and DNP3 communication protocols

• Compact size with easy installation and configuration

• Designed for smart grids, substations, and industrial systems

Applications:

• Power distribution networks

• Smart substations

• Renewable energy systems

• Industrial automation and grid protection