ABB REF615
ABB REF615
ABB REF615
ABB REF615
ABB REF615

ABB REF615 HBFHAEAGBCC1BNN11E | Relion 615 Series Distribution Feeder Protector

  • Brand: ABB
  • Model: REF615 HBFHAEAGBCC1BNN11E
  • Product Type: Feeder Protection Relay
  • Series: Relion 615
  • Core Function: Provides comprehensive protection for medium/low voltage distribution feeders, including overcurrent, earth fault, distance, and differential protection.
  • Key Specs: Supports IEC 61850, Modbus, DNP3 protocols; 8 digital inputs, 6 digital outputs, 4 analog inputs.
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Part number: ABB REF615 HBFHAEAGBCC1BNN11E
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Description

REF615 HBFHAEAGBCC1BNN11E: Product Overview
The referenced component is a digital feeder protection relay from ABB’s Relion 615 series, designed for medium and low voltage distribution networks. Its position in an automation system is as a critical node in the protection and control architecture, typically installed in substations, switchgear, or industrial motor control centers. It operates as part of a safety instrumented system (SIS) or distribution management system (DMS), providing primary protection for feeders supplying power to loads such as industrial plants, commercial buildings, or residential grids.
The core functionality involves monitoring electrical parameters (current, voltage, frequency) from current transformers (CTs) and voltage transformers (VTs), detecting abnormal conditions (e.g., short circuits, overloads, earth faults), and initiating trip commands to circuit breakers to isolate faults. It executes protection algorithms (e.g., inverse time overcurrent, directional earth fault, distance protection) with high selectivity, ensuring only faulty sections are disconnected. The relay also supports communication with SCADA/DMS via protocols like IEC 61850, enabling remote monitoring, configuration, and event logging.
This relay belongs to the Relion 615 product family, a platform recognized for its modularity, cybersecurity, and compliance with global standards (IEC 60255, IEC 61850). Benefits include reduced commissioning time through pre-engineered logic, simplified integration with existing networks, and enhanced reliability via self-diagnostics and fault-tolerant design. The platform’s scalability allows customization for diverse applications, from simple feeder protection to complex microgrid coordination.

ABB REF615

ABB REF615

REF615 HBFHAEAGBCC1BNN11E: Technical Specifications
  • Model Number: REF615 HBFHAEAGBCC1BNN11E
  • Manufacturer: ABB
  • Product Type: Feeder Protection Relay
  • Series: Relion 615
  • Protection Functions: Overcurrent (50/51), Earth Fault (50N/51N), Distance (21), Differential (87), Overvoltage (59), Undervoltage (27)
  • Communication Protocols: IEC 61850 Ed. 2, Modbus RTU/TCP, DNP3, IEC 60870-5-103
  • Digital Inputs: 8 (24V DC, isolated)
  • Digital Outputs: 6 (electromechanical relays, 250V AC/30V DC, 5A)
  • Analog Inputs: 4 (current: 1A/5A, voltage: 100V)
  • Power Supply: 24–48V DC, 88–300V AC/DC
  • Operating Temperature: -25°C to +70°C
  • Storage Temperature: -40°C to +85°C
  • Dimensions: 145 mm (H) x 210 mm (W) x 115 mm (D)
  • Weight: 1.8 kg
  • Certifications: CE, UL, IEC 60255, IEC 61850, IEEE C37.90
Core Features & Customer Value​
Comprehensive protection suite minimizes equipment damage. The relay integrates multiple algorithms (overcurrent, earth fault, distance) to address diverse fault types, ensuring rapid isolation of short circuits or ground faults. For utilities, this reduces outage duration and protects transformers, cables, and downstream loads from thermal/mechanical stress, extending asset lifespan.
IEC 61850 compliance simplifies network integration. Native support for this standard enables seamless communication with modern substation automation systems, eliminating protocol converters. Engineers benefit from standardized data models and peer-to-peer communication, reducing configuration errors and enabling advanced applications like synchronized phasor measurement (if equipped).
Modular I/O and configurability adapt to evolving needs. The relay’s 8 digital inputs, 6 outputs, and 4 analog inputs accommodate CT/VT connections, breaker status, and auxiliary contacts. Users can customize logic via ABB’s PCM600 software, adding functions like autoreclose or demand metering without hardware changes. This flexibility lowers lifecycle costs by avoiding obsolescence.
Cybersecurity features protect critical infrastructure. The relay includes role-based access control, encrypted communication (IEC 62351), and audit trails, aligning with NERC CIP or IEC 62443 standards. For grid operators, this mitigates risks of unauthorized access or malicious attacks, ensuring reliable power delivery.

ABB REF615

ABB REF615

Typical Applications​
In a municipal distribution network, the relay protects a 15kV feeder supplying a residential area. It detects a phase-to-ground fault via its earth fault algorithm, trips the upstream breaker within 0.1 seconds, and sends an alarm to the SCADA system. The IEC 61850 interface enables the DMS to reroute power via adjacent feeders, minimizing customer outages.
At an industrial plant, the relay safeguards a 6.6kV feeder powering a motor control center (MCC). It monitors for overloads using inverse time overcurrent protection, tripping the MCC breaker to prevent motor damage. The digital outputs interface with the plant’s DCS to trigger alarms and start backup power systems.
For a renewable energy farm, the relay protects the collector feeder connecting solar inverters to the grid. It uses differential protection to detect internal faults in the inverter bank, isolating the faulty string while keeping healthy inverters online. Modbus TCP communication allows the energy management system (EMS) to log generation data and adjust setpoints.

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