ABB RER620 Recloser Protection Relay

Description

The ABB RER620 is an advanced recloser protection and control relay from the Relion® series, designed for overhead lines and cable feeders in medium-voltage distribution systems. It integrates protection, control, measurement, and supervision functions in a single compact unit.

Specifications

• Model Number: RER620
• Product Type: Recloser protection and control relay
• Voltage Class: Medium-voltage distribution networks
• Protection Functions: Time and instantaneous overcurrent, negative sequence overcurrent, phase discontinuity, breaker failure
• Control Functions: Auto-reclose (multi-shot), loop control, circuit breaker control
• Measurement Functions: Voltage, current, power, energy, frequency
• Communication Protocols: IEC 61850, Modbus, DNP3, IEC 60870-5-103
• Display: LCD with LED indicators and navigation keys
• Mounting: Panel flush-mount
• Configuration Tool: PCM600 software
• Standards Compliance: IEC, ANSI, CE certified
• Series: ABB Relion® 620 series

Features

• Integrated Protection: Combines multiple protection elements for feeder applications
• Auto-Reclose Capability: Supports flexible three-phase and single-phase multi-shot reclose logic
• Loop Control: Embedded automatic loop restoration improves circuit reliability
• High Impedance Fault Detection: Optional feature for enhanced fault sensitivity
• Remote Communication: SCADA-ready with multiple protocol support
• Event Logging: Stores fault records, event logs, and disturbance data
• Cybersecurity Functions: Role-based access and secure communication channels
• Self-Diagnostics: Continuous internal monitoring for operational integrity
• Global Compatibility: Suitable for grounded and ungrounded distribution systems