ABB REF610 Feeder Protection Relay

The ABB REF610 is a robust and reliable numerical feeder protection relay, specifically designed for medium-voltage power distribution systems. This advanced relay offers comprehensive protection for feeders in industrial and utility applications. With a suite of protection functions, measurement capabilities, and communication protocols, it ensures the optimal performance, reliability, and stability of power distribution systems.

Key Features of the ABB REF610

The ABB REF610 relay integrates multiple protection and measurement functions, ensuring that the system operates with the highest efficiency and safety. Its advanced capabilities make it an essential component in maintaining the stability and reliability of electrical systems, especially in environments where continuous operation is critical.

Product Specifications

Here are the detailed technical specifications for the ABB REF610 Feeder Protection Relay:

Feature	Specification
Model Number	REF610
Product Type	Feeder Protection Relay
Protection Functions	– Three-phase overcurrent (low-set, high-set, instantaneous) – Non-directional earth fault (low-set, high-set) – Phase discontinuity detection – Thermal overload protection for cables – Circuit-breaker failure protection – Arc protection with two lens sensors – Autoreclosing and lockout relay function
Measurement Capabilities	– Residual current monitoring – Three-phase current measurement – Disturbance and event recording
Communication Protocols	IEC 61850, Modbus RTU, DNP3
Voltage Supply	24-250 V DC
Operating Temperature Range	-25°C to +60°C
Mounting Type	Panel or Rack Mount
Weight	Approx. 1.6 kg

Benefits of the ABB REF610

The ABB REF610 offers several key advantages for feeder protection:

Comprehensive Protection: With multiple protection functions, it guards against overcurrent, earth faults, thermal overloads, and more, ensuring system safety.
Advanced Measurement: The relay continuously monitors residual and three-phase currents and records disturbances and events, helping optimize system performance.
Versatile Communication: It supports various communication protocols like IEC 61850, Modbus RTU, and DNP3, enabling easy integration into existing control systems.
Efficient Fault Detection: The phase discontinuity detection and circuit-breaker failure protection ensure quick detection of faults, minimizing downtime.
Reliable Arc Protection: The relay’s dual lens sensors detect arc faults early, enhancing the safety of equipment and personnel.
Autoreclosing Capability: The autoreclosing function helps restore the system after transient faults, improving system uptime.

Application Areas

The ABB REF610 Feeder Protection Relay is ideal for use in the following applications:

Medium-Voltage Power Distribution: Ensures the protection of feeders in industrial plants, utilities, and other medium-voltage networks.
Power Generation and Transmission: Provides reliable protection for equipment in power generation plants and transmission systems.
Industrial Automation: Protects critical infrastructure within industrial automation systems, ensuring smooth operations and minimizing downtime.
Utilities: Ideal for utilities that require high reliability and safety in their power distribution networks.

Manufacturer

The ABB REF610 is manufactured by ABB, a global leader in automation and electrical technology. ABB has a proven track record of delivering innovative and high-quality solutions for industrial and utility applications worldwide.