ABB REU615C_D Medium-Voltage Protection Relay

Overview

The ABB REU615C_D is a high-performance, compact protection and control relay designed for medium-voltage networks. Engineered for industrial and utility applications, this relay integrates advanced monitoring, protection, and control functions into a single panel-mounted device. It supports reliable operation of feeders, transformers, generators, motors, and distributed power systems.

Key Features

• Comprehensive protection: overvoltage, undervoltage, frequency protection, voltage regulation, arc protection, generator and motor protection.

• Accurate measurements: real-time voltage, frequency, active and reactive power, energy monitoring.

• Control flexibility: local or remote switchgear control, interlocking, and programmable logic options.

• Event tracking: disturbance recorder, fault log, and event history for fast diagnostics.

• Communication-ready: supports IEC 61850 protocol and seamless integration with ABB substation automation systems.

• Design: compact, panel-mounted, ideal for retrofitting or new installations.

• Reliability: manufactured in Sweden with a standard 12-month warranty.

Technical Specifications

Applications

• Medium-voltage feeder and transformer protection

• Distributed generation and renewable energy integration

• Busbar and voltage regulation systems

• Generator and motor monitoring and control

• Arc flash detection and frequency-based protection

FAQ

Q: Can the REU615C_D be integrated with other ABB Relion® 615 devices?
A: Yes, it supports IEC 61850 for seamless integration into ABB substation automation networks.

Q: Is this relay suitable for both generator and motor protection?
A: Yes, it provides dedicated motor and generator protection functions, including overload, under/over voltage, and arc detection.

Q: How is historical fault data recorded?
A: The device includes a disturbance recorder and event log, enabling detailed analysis of past incidents.

Q: Are there similar models for comparison?
A: ABB REU610 and REU630 offer similar medium-voltage protection capabilities, with differences in channel count and communication options.