ABB RER620 Advanced Recloser Protection and Control

Overview

The ABB RER620 belongs to ABB’s Relion® 620 series. It protects and controls feeders and reclosers in medium-voltage networks. The device monitors overhead lines and cable feeders reliably. It supports systems with or without distributed generation. Users can configure, monitor, and retrieve data through local HMI or a web browser.

Technical Specifications

• Model: RER620

• Series: Relion® 620

• Function: Advanced recloser protection and control

• Rated Voltage: 24–250 V DC (auxiliary supply)

• Current Inputs: 1 A / 5 A configurable CT inputs

• Voltage Inputs: 100 V / 110 V AC

• Digital Inputs/Outputs: Multiple configurable binary I/Os

• Communication Protocols: IEC 61850, Modbus, DNP3, Profibus-DP, LON

• Display Interface: Local HMI with graphical LCD and navigation keys

• Protection Features: Overcurrent, earth fault, phase unbalance, breaker failure, auto-reclosing

• Monitoring Functions: Fault recorder, event recorder, trip circuit monitoring, self-diagnostics

• Mounting Options: Flush or rack mount

• Environmental Rating: IP20

• Weight: 7.7 kg

• Additional Features: Drawout design, single- and three-phase tripping, scalable I/O and communications, ACT configuration tool, web data access, IEC 61850/GOOSE messaging