Product Core Brief
- Model: REU615 HBUAEAADNNA6BNN1XE
- Brand: ABB
- Series: Relion® 615
- Core Function: Voltage protection, frequency protection, and control
- Type: Numerical voltage protection and control relay / IED
- Key Features: IEC 61850 Edition 2; load shedding; synchronism check; disturbance recording
- Typical Applications: Utility substations, industrial distribution systems, renewable energy networks, busbar supervision
- Condition: New Original (New Surplus) / Tested Used Available
Product Introduction
ABB REU615 HBUAEAADNNA6BNN1XE is a compact numerical voltage protection and control relay developed for substations and industrial power systems requiring dependable voltage supervision, frequency protection, and digital communication integration. It is commonly applied in feeder voltage supervision, busbar protection schemes, renewable energy systems, industrial distribution networks, and transformer control applications.
Built on ABB’s Relion® 615 platform, the relay combines protection, monitoring, control, disturbance recording, and IEC 61850 communication within a withdrawable relay structure suitable for both new installations and retrofit projects. Compared with older voltage protection relays, the REU615 platform improves interoperability, event analysis capability, and engineering flexibility while reducing panel wiring complexity.
The relay supports advanced substation automation functions including GOOSE messaging, configurable logic, disturbance recording, and optional process bus integration. Exact firmware revision, communication configuration, and application package should always be verified before replacement or commissioning.
Key Selling Points & Differentiators
- ABB REU615 HBUAEAADNNA6BNN1XE integrates overvoltage, undervoltage, frequency protection, synchronism check, load shedding, and monitoring functions in one compact IED platform.
- IEC 61850 Edition 2, GOOSE messaging, Modbus, DNP3, and IEC 60870-5-103 communication support simplify digital substation integration.
- Withdrawable plug-in relay construction allows faster maintenance and simplified replacement procedures in switchgear panels.
- Built-in disturbance recorder and SOE event logging improve commissioning diagnostics and post-fault analysis.
- Compact 615-series architecture reduces retrofit engineering complexity and minimizes panel modifications.
- Supports process bus integration through IEC 61850-9-2 LE in suitable configurations.
- Graphical LCD interface simplifies local parameter setting, alarm review, and diagnostics.
- Incoming stock should pass startup diagnostics, communication verification, binary I/O simulation, and minimum 24-hour powered runtime before shipment.
