ABB REF630 Feeder Protection and Control Relay Brand New

Description

The ABB REF630 is a high-performance feeder protection and control relay engineered for modern utility and industrial distribution networks. It belongs to ABB’s Relion® 630 series, which emphasizes functional depth, flexible configuration, and reliable operation in medium-voltage systems. The relay integrates protection, control, measurement, fault location, and power quality monitoring inside one device. Therefore, engineers deploy it as the main protection element for overhead lines and cable feeders in radial, looped, and meshed networks. Moreover, the REF630 supports IEC 61850, ensuring smooth interoperability in digital substations. Although ABB discontinued the model in 2024, the device remains widely installed due to its strong reliability and extensive service support.

Key Features and Benefits

• Wide Protection Portfolio with overcurrent, earth-fault, directional functions, breaker failure, thermal overload, and frequency protection.
• Advanced Earth-Fault Detection using multifrequency admittance-based technology for better sensitivity and selectivity.
• Integrated Feeder Control allowing operators to manage breakers, disconnectors, and interlocking logic efficiently.
• Comprehensive Monitoring Tools such as disturbance recording, event logging, and power quality analysis.
• Fast Fault Location that shortens outage duration and improves restoration planning.
• Flexible Hardware including 8 RTD/mA inputs and 4 mA outputs for thermal monitoring and analog integration.
• Native IEC 61850 with GOOSE messaging for reduced wiring and supervised communication.
• Support for Protocols including DNP3, Modbus, and IEC 60870-5-103.
• Large Integrated or Detached HMI enabling easy operation with customizable pushbuttons.

Technical Data

Manufacturer: ABB Product Series: Relion® 630 Series Model: REF630 Product Type: Feeder protection and control relay

Protection Functions

• Overcurrent protection
• Earth-fault and directional earth-fault protection
• Breaker failure protection
• Voltage and frequency protection
• Thermal overload protection

Control and Monitoring

• Feeder bay control
• Circuit breaker and disconnector operation
• Disturbance recorder and event log
• Power quality monitoring
• Integrated fault locator

Measurement

• Current, voltage, frequency
• Active and reactive power
• Energy metering

Communication

• IEC 61850 Edition 1
• GOOSE messaging
• Modbus
• DNP3 TCP/IP
• IEC 60870-5-103
• SPA bus

Hardware

• 8 RTD/mA inputs
• 4 analog mA outputs
• Large or detached HMI
• Scalable I/O configuration

Typical Applications

The ABB REF630 fits medium-voltage feeder protection in a wide range of installations. Engineers use it extensively in utility substations, industrial distribution plants, and mixed overhead-cable systems. In addition, the relay supports feeders with distributed generation, making it suitable for renewable-integrated grids. Its powerful fault location and disturbance analysis tools help maintenance teams resolve faults faster and improve network reliability.

Support & Maintenance

ABB provides extensive lifecycle services, including firmware updates, spare parts availability, and retrofit guidance. Therefore, operators can continue using existing REF630 installations with confidence. Maintenance teams also benefit from ABB’s diagnostic tools and configuration software, which simplify relay setup and long-term asset support.

FAQ

Q1: Is the ABB REF630 still in production? No. ABB discontinued the REF630 in 2024, but it remains supported for existing installations.

Q2: Can the REF630 communicate using IEC 61850? Yes. The relay supports IEC 61850 Edition 1 with full GOOSE messaging capabilities.

Q3: What networks can the REF630 protect? It protects feeders in radial, looped, and meshed medium-voltage distribution networks.

Q4: Does the relay support fault location? Yes. It includes advanced fault location for short-circuit and earth-fault events.

Q5: Can I use the REF630 for feeder bay control? Yes. The relay integrates feeder bay control, breaker operation, and interlocking logic.