ABB REU615E_D Product Detailed Introduction
Product Overview
ABB REU615E_D is a powerful feeder protection and control relay, belonging to the ABB Relion® product series. It is mainly used to protect and control feeders in power systems, providing reliable overcurrent, ground fault and other protection functions, and also has voltage and frequency control functions. This product is widely used in power, industry and other fields to ensure the safe and stable operation of the power grid.

Main Functions
Overcurrent protection: Quickly detect overcurrent and send out a trip signal to prevent equipment damage.
Ground fault protection: Detect ground faults and take corresponding protection measures.
Voltage and frequency protection: Monitor changes in voltage and frequency to prevent voltage from being too high or too low, frequency from deviating from normal values, etc.
Control function: Realize remote control of feeders, such as opening and closing operations.
Communication function: Communicate with other devices to realize data exchange and remote monitoring.

Product Features
High reliability: Adopts advanced hardware and software technology, with high reliability.
Modular design: Convenient installation and maintenance.
Strong flexibility: High configurability, adaptable to a variety of application scenarios.
Compliance with standards: Complies with International Electrotechnical Commission (IEC) standards.
Application areas
Power systems: Feeder protection for power plants and substations
Industrial enterprises: Power distribution systems for industrial enterprises
Public facilities: Power distribution systems for public facilities such as data centers and hospitals