ABB REF615E Feeder Protection and Control Relay

The ABB REF615E Feeder Protection and Control Relay is a versatile solution for the protection, measurement, and control of medium-voltage feeder systems. Designed for utility substations and industrial applications, it ensures reliable protection of feeders and provides efficient monitoring of power distribution networks. This relay supports the latest communication protocols, including IEC 61850, and offers seamless integration with substation automation systems, enhancing both safety and operational performance.

Key Features of the ABB REF615E

The ABB REF615E integrates advanced protection functions, real-time monitoring, and automation features in one compact unit. This relay ensures maximum system reliability and uptime, while simplifying maintenance and system diagnostics. Ideal for medium-voltage networks, the REF615E offers flexible configurations for various feeder protection tasks.

Product Specifications

Below are the detailed technical specifications for the ABB REF615E Feeder Protection and Control Relay:

Feature	Specification
Model Number	REF615E
Product Type	Feeder Protection and Control Relay
Protection Functions	– Overcurrent protection (phase and earth) – Distance protection – Differential protection – Breaker failure protection – Thermal overload protection – Autoreclosing function
Measurement Capabilities	– Three-phase current and voltage measurement – Power and energy monitoring – Harmonics analysis
Communication Protocols	IEC 61850, Modbus RTU, DNP3
Operating Voltage	24-250 V DC
Dimensions (L x W x H)	180 x 180 x 120 mm
Weight	Approx. 2.3 kg
Operating Temperature Range	-25°C to +60°C
Mounting	Panel Mount / Rack Mount
Protection Class	IP54 (Front), IP20 (Back)

Benefits of the ABB REF615E

The ABB REF615E Feeder Protection and Control Relay offers several distinct advantages:

Comprehensive Protection: It provides overcurrent, distance, and differential protection, ensuring the safety of critical feeders.
Advanced Monitoring: With real-time monitoring of current, voltage, power, and energy, it ensures optimal performance and early fault detection.
Seamless Integration: The REF615E supports IEC 61850, Modbus RTU, and DNP3 protocols, allowing easy integration into existing automation systems.
Efficient Fault Detection: The autoreclosing and breaker failure protection functions minimize downtime and improve system reliability.
Flexible and Scalable: The relay’s modular design allows it to adapt to various system configurations and applications.
Cost-Effective: It helps reduce system maintenance costs by providing detailed diagnostic data and predictive maintenance features.

Application Areas

The ABB REF615E is ideal for the following applications:

Medium-Voltage Power Distribution: Protects and controls feeders in power distribution networks, ensuring reliable energy supply.
Utility Substations: Provides essential protection for feeders, improving the overall security and reliability of power networks.
Industrial Power Systems: Used in industrial plants for feeder protection, ensuring smooth and safe operations.
Substation Automation: Fully compatible with IEC 61850, allowing for automated control and integration in modern substation systems.
Redundant Protection Systems: Acts as a backup protection solution in systems that require redundancy to ensure high availability.

Manufacturer

The ABB REF615E is manufactured by ABB, a global leader in industrial automation and electrical solutions. ABB is renowned for delivering cutting-edge technology to enhance the efficiency, safety, and reliability of power distribution systems worldwide.