- Model: REU615 HBUAEAADNDC6ABN11G
- Brand: ABB
- Series: Relion 615
- Core Function: Voltage and frequency protection plus automatic voltage regulation (Config B)
- Type: Voltage protection and control IED
- Key Specs: 27/59/81U/81O protection, tap-changer control (90V), 14 BI + 13 BO
- Key Specs: IEC 61850 (GOOSE + SMV), DNP3 TCP/IP, IEC 60870-5-103
- Key Specs: Supply 48–250 VDC / 100–240 VAC, large graphical display, PCM600 configurable
- Condition: New Original (New Surplus), not refurbished
- Key Technical Specifications
- Model: REU615 HBUAEAADNDC6ABN11G
- Manufacturer: ABB
- Family: Relion 615 series
- Configuration: Config B (automatic voltage regulator for motor-driven LTC)
- Application: Voltage/frequency protection for transformers, busbars, generators, motors, capacitor banks
- Core protections: 27 (under-voltage, 3 stages), 59 (over-voltage, 3 stages), 59G (residual over-voltage, 3 stages), 81 (frequency, 6 stages), 81LSH (load-shedding, 5 stages), 90V (tap-changer control)
- Control functions: Circuit-breaker control (1), Disconnector control (2), Tap-changer control (1), Trip circuit supervision (2)
- Analog inputs: 4 CT + 3 VT
- Binary inputs: 14
- Binary outputs: 13
- RTD/mA inputs (optional): 6 RTD + 2 mA
- Communication: IEC 61850-8-1 (MMS), IEC 61850-7-2 (GOOSE), IEC 61850-9-2 LE (sampled values), DNP3 TCP/IP, IEC 60870-5-103
