ABB RER620 Dedicated Feeder Management Relay

Description

The ABB RER620 is a dedicated feeder management relay from the Relion® series, designed for protection, control, and supervision of overhead lines and cable feeders in medium-voltage distribution networks.

Specifications

• Model: RER620

• Manufacturer: ABB

• Series: Relion® 620

• Application: Utility and industrial medium-voltage feeders

• Protection Functions: Time and instantaneous overcurrent, earth fault, negative sequence, phase discontinuity

• Control Features: Breaker failure protection, auto-reclose, loop control

• Communication Protocols: IEC 61850, Modbus, DNP3, IEC 60870-5-103

• Voltage Metering: Integrated voltage measurement and protection

• Display Interface: LCD with keypad for local configuration

• Mounting: Panel-mounted

• Operating Temperature: -40°C to +70°C

• Compliance: IEC standards for protection and automation

• Optional Features: High impedance fault detection, sensitive earth fault protection

Features

• Multifunctional Protection: Combines feeder protection, control, and metering in one unit

• Advanced Recloser Logic: Supports multi-shot auto-reclose and embedded loop restoration

• Flexible Communication: Compatible with multiple protocols for SCADA and remote access

• Automation Ready: Built-in logic for custom control sequences and interlocking

• Wide System Compatibility: Suitable for grounded and ungrounded distribution networks

• User-Friendly Interface: Intuitive LCD display for diagnostics and configuration

• Robust Design: Operates reliably in harsh environments and extreme temperatures

• Global Standards: Fully compliant with IEC 61850 and other international protocols