ABB REU615 Voltage Protection & Control Relay

Product Description

The ABB REU615 is a voltage protection and control relay designed for utility and industrial power distribution systems. It provides voltage and frequency-based protection, including networks with distributed power generation. The REU615 is also ideal for automatic voltage regulation of power transformers equipped with a motor-driven on-load tap changer. It is part of ABB's Relion® product family and the 615 protection and control series.

Technical Parameters

• Voltage and Frequency Protection: Protects against overvoltage, undervoltage, overfrequency, and underfrequency.

• Automatic Voltage Regulation: Suitable for power transformers with a motor-driven on-load tap changer.

• Communication Protocols: Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging, IEC 61850-9-2 LE, IEEE 1588 V2, Modbus, DNP3, and IEC 60870-5-103.

• Display: Large graphical display showing customizable single-line diagrams (SLDs), accessible locally or through a web-browser-based HMI.

• Installation: Withdrawable plug-in unit for swift installation and testing.

• Additional Features: Optional arc protection, high-speed outputs, extensive range of protection and control functionality for busbar voltage supervision, load shedding, and restoration