ABB RER620 | Advanced Recloser Protection & Control Relay

ABB RER620 Advanced Recloser Protection Relay

The ABB RER620 is a dedicated recloser relay designed for the protection, control, and supervision of utility distribution feeders and industrial power systems. It provides fault detection, automatic reclosing, and protection for overhead lines and cable feeders in distribution substations, ensuring enhanced network reliability and reduced outage times. The RER620 is ideal for both grounded and ungrounded distribution systems and offers advanced protection, control, and measurement features.

Technical Specifications:

• Model Number: RER620

• Series: Relion® 620

• Type: Advanced Recloser Protection & Control Relay

• System Compatibility: Medium-voltage distribution feeders

• Protection Functions: Overcurrent, Earth-fault, Directional, Reclosing

• Control Functions: Recloser/circuit breaker control, trip-circuit monitoring

• Measurement Functions: Voltage, Current, Power, Frequency

• Recording Functions: Event recorder, Fault recorder, Disturbance recorder

• Communication Interfaces: IEC 61850, Modbus®, DNP3, SPA bus

• Power Supply: 24–250 VDC / 100–240 VAC

• Operating Temperature: –40°C to +55°C

• Storage Temperature: –40°C to +85°C

• Certifications: IEC 60255, CE, UL

• Application Areas: Utility distribution networks, industrial feeders, substations

FAQ:

1. What protection does the ABB RER620 offer?
The RER620 provides overcurrent, earth-fault, and directional protection, along with automatic reclosing to ensure reliable operation of distribution feeders.

2. Does the ABB RER620 support communication protocols?
Yes, the RER620 supports communication protocols like IEC 61850, Modbus®, DNP3, and SPA bus, making it highly compatible with various automation systems.

3. How does the automatic reclosing function work in the ABB RER620?
The automatic reclosing function ensures that after a fault, the RER620 automatically restores power to the feeder after a predefined time, improving circuit reliability.

4. Can the ABB RER620 monitor the condition of circuit breakers and reclosers?
Yes, the RER620 includes condition monitoring for reclosers and circuit breakers, allowing for early detection of potential issues.

5. Where can the ABB RER620 be used?
The RER620 is ideal for utility distribution networks, industrial feeders, and substations, offering essential protection and control for medium-voltage distribution systems.