Description
ABB REU615 HBUAEAADANB6ANN1XG
Technical Specifications:
- System Family: Relion 615 Series.
- Protection: Overcurrent, earth fault, directional protection, and voltage supervision.
- Control: Circuit breaker control, auto-reclosing, and interlocking.
Functional Features:
- Directional Protection: Accurate fault direction determination for ring and parallel feeder networks.
- Auto-Reclosing: Configurable multi-shot reclosing sequences to restore transient faults.
- Arc Protection: Optional integrated arc flash detection.
Application Scenarios:
- Utility distribution substations.
- Industrial power distribution networks.
- Renewable energy collection grids.
Material Composition & Structural Characteristics:
- Plug-in Module: Facilitates rapid replacement and maintenance.
- Local HMI: Clear display of measurements, statuses, and active alarms.
Working Principle:
Monitors line currents and voltages to detect abnormal conditions. Directional elements use phase angle comparisons to determine fault location, ensuring selective isolation of the faulted section.
Installation Requirements:
- Connect voltage and current transformers according to the wiring diagram.
- Configure the auto-reclosing scheme in coordination with upstream and downstream protection.
Usage Precautions:
- Verify directional element polarity during commissioning.
- Ensure arc flash sensors are correctly positioned and tested.





