ABB REU-615 HBUAEAADABC1BNN11G Voltage protection and control relay

I. Core Basic Information
ABB REU-615 HBUAEAADABC1BNN11G is a voltage protection and control relay of the ABB Relion® 615 series. It is a compact plug-in design industrial-grade protection device, developed for utility and industrial power distribution scenarios, and supports voltage and frequency protection requirements of distributed power generation networks.

Core Technical Parameters Table
Parameter item Specification
Rated frequency 50 / 60 Hz
Auxiliary power supply 24–60 V DC / 48–250 V DC / 100–240 V AC
Auxiliary power consumption Typical value < 20 W (depending on configuration)
Voltage input 3×100–120 V nominal value
Voltage measurement range 0–1.5 × Un
Supported communication protocols IEC 61850 Edition 2, IEC 61850-9-2 LE, IEC 60870-5-103, Modbus®, DNP3, with SPA-ZC 302 can be extended to support Profibus DPV1
Compliance standards Compliant with EMC Directive 2004/108/EC, Low-voltage Directive 2006/95/EC, following IEC 60255 series international standards

Main Applications
Provide a complete set of protection functions based on voltage and frequency for public utilities and industrial power distribution systems (including distributed power generation networks).
Adapt to power transformers with load-adjustable voltage regulation mechanisms, achieve automatic voltage regulation, and complete control logic such as low-frequency load shedding, synchronous check / no-voltage check, etc.
Integrate circuit breaker control, measurement, and status monitoring functions, and can be directly connected to the substation automation system to complete operation and maintenance auxiliary tasks such as voltage circuit monitoring and fault recording.