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ABB REU615E-1G & REF615E-1G | Feeder Protection Relays
Advanced Protection & Control for Medium-Voltage Power Distribution Networks
ABB REU615E-1G (HBUAEAADNDC1BNN11G | 1VHR91407943)
The ABB REU615E-1G (Order Code: HBUAEAADNDC1BNN11G | Serial: 1VHR91407943) is a high-performance medium-voltage feeder protection relay designed for reliable protection and control of MV distribution feeders, transformers, and switchgear. As part of ABB’s renowned Relion® product family, this relay integrates comprehensive protection functions, advanced monitoring capabilities, and flexible communication interfaces to ensure safe and efficient operation of power distribution networks.
Engineered for harsh industrial and utility environments, the REU615E-1G offers high accuracy in fault detection, fast trip response, and seamless integration with SCADA/DCS systems. It is optimized for applications in industrial facilities, commercial buildings, utilities, and critical infrastructure—where protection against overcurrent, ground fault, and voltage disturbances is essential to minimize downtime and equipment damage.
ABB REF615E-1G (HBFNAFAGNDC1BNA11G | 1VHR91507937)
The ABB REF615E-1G (Order Code: HBFNAFAGNDC1BNA11G | Serial: 1VHR91507937) is a versatile medium-voltage feeder protection relay, part of ABB’s Relion® series, tailored for protection, control, and monitoring of MV feeders and auxiliary equipment. This relay builds on ABB’s legacy of reliable power system protection, offering enhanced functionality for both utility and industrial applications.
Featuring a rugged design, wide operating temperature range, and high immunity to electromagnetic interference (EMI), the REF615E-1G delivers consistent performance in harsh environments. It supports multiple communication protocols, enabling integration with modern smart grid systems and centralized control centers. Ideal for power distribution networks, renewable energy plants, and industrial facilities, it ensures reliable fault clearance and system stability.
Technical Specifications Comparison
| Parameter | REU615E-1G (HBUAEAADNDC1BNN11G) | REF615E-1G (HBFNAFAGNDC1BNA11G) |
|---|---|---|
| Voltage Rating | 3.3 kV - 36 kV (50/60 Hz) | 3.3 kV - 36 kV (50/60 Hz) |
| Current Input | 1 A / 5 A AC (Secondary) | 1 A / 5 A AC (Secondary) |
| Protection Functions | Overcurrent, Ground Fault, Over/Undervoltage, Phase Unbalance, Thermal Overload | Overcurrent, Ground Fault, Over/Undervoltage, Phase Unbalance, Directional Protection |
| Trip Response Time | ≤ 10 ms (Instantaneous Trip) | ≤ 10 ms (Instantaneous Trip) |
| Control Power Supply | 110/220 VAC/VDC (85-265 VAC, 85-300 VDC) | 110/220 VAC/VDC (85-265 VAC, 85-300 VDC) |
| Communication Protocols | IEC 61850, Modbus RTU/TCP, DNP3, IEC 60870-5-104 | IEC 61850, Modbus RTU/TCP, DNP3, IEC 60870-5-104 |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) | -40°C to +70°C (-40°F to +158°F) |
| Ingress Protection | IP54 (Front Panel), IP20 (Rear Terminal) | IP54 (Front Panel), IP20 (Rear Terminal) |
| Certifications | IEC 60255, UL, CSA, CE, SIL 2 (IEC 61508) | IEC 60255, UL, CSA, CE, SIL 2 (IEC 61508) |
Key Features & Benefits (REU615E-1G)
Comprehensive Protection: Covers core MV faults (overcurrent, ground fault, etc.) with adjustable settings, ensuring tailored protection for feeders and transformers.
Fast Fault Clearance: ≤10 ms instantaneous trip response limits fault propagation, minimizing equipment damage and reducing power outage duration.
Smart Grid Readiness: Supports IEC 61850 and other standard protocols, enabling seamless integration with smart grid systems and centralized control.
Rugged Durability: Operates in extreme temperatures (-40°C to +70°C) with IP54 protection, ensuring reliability in harsh industrial/utility environments.
Advanced Monitoring: Real-time measurement of voltage, current, and power; integrated event logging for fault analysis and predictive maintenance.
Key Features & Benefits (REF615E-1G)
Enhanced Protection Suite: Includes directional protection for complex network topologies, providing targeted fault clearance in meshed MV networks.
Ultra-Fast Trip Response: ≤10 ms instantaneous trip minimizes fault impact, protecting downstream equipment and ensuring system stability.
Seamless System Integration: Compatible with SCADA/DCS and smart grid platforms via standard protocols, enabling centralized monitoring and control.
Harsh Environment Performance: EMI immunity, wide temperature range, and IP54 protection ensure reliable operation in demanding industrial settings.
User-Friendly Configuration: Intuitive HMI and remote setup software simplify commissioning and maintenance, reducing operational costs.
Typical Application Areas
Common Applications
- MV Power Distribution Feeders
- Distribution Transformers
- Industrial Plant Power Networks
- Commercial Building MV Systems
- Renewable Energy Plants (Solar/Wind)
- Utility Substations
REU615E-1G Specialized
- Auxiliary Power Systems
- Critical Infrastructure (Hospitals/Data Centers)
- Mining & Mineral Processing Plants
- Oil & Gas Midstream Facilities
REF615E-1G Specialized
- Meshed MV Distribution Networks
- Ring Main Units (RMUs)
- Industrial Complexes with Interconnected Feeders
- Smart Grid Distribution Nodes
ABB REU615E-1G and REF615E-1G relays represent industry-leading solutions for medium-voltage protection, combining robust performance, smart grid compatibility, and tailored functionality to ensure reliable and efficient operation of power distribution networks across utilities and industries worldwide.
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YMGK Purchase Information
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Contact Information
- Sales Manager: KI MI
- WeChat: 18059884790
- WHATSAPP: +86 18059884790 (Click to add)
- Email: plc66@qq.com
Core Advantages
- 121 shared inventories worldwide, with direct procurement from overseas warehouses.
- Provide favorable prices and professional after-sales warranty services.
- All products are brand new and original; spare parts come with a one-year warranty and have been tested and certified.
- For orders of more than one product, contact us to get an exclusive discount.
- If other suppliers offer lower prices for the same products, we are willing to provide further discounts based on your budget.
Customer Distribution
Our customers are from: United States, Germany, Japan, South Korea, United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, Netherlands, Switzerland, Sweden, Belgium, Austria, and Turkey.
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