ABB REF615C_E HCFDACADABC2BAN11E Numerical Relay / Protection IED

The ABB REF615C_E HCFDACADABC2BAN11E is a cutting-edge numerical relay and protection device designed for medium-voltage (MV) power systems, serving as a cornerstone of ABB’s Relion® REF615 series. Engineered to safeguard critical power infrastructure, this intelligent electronic device (IED) combines advanced protection, measurement, and communication capabilities to ensure reliable operation in industrial, utility, and renewable energy applications. The REF615C_E HCFDACADABC2BAN11E is built on ABB’s robust Relion® platform, offering scalability, cybersecurity compliance, and seamless integration with supervisory control and data acquisition (SCADA) systems.

Featuring a compact, DIN-rail-mountable design, the ABB REF615C_E HCFDACADABC2BAN11E supports a wide range of protection functions, including overcurrent, earth fault, distance protection, and autoreclosure, tailored for radial and meshed networks. Its dual-core processor enables real-time phasor measurement (RTPM) and advanced event logging, with fault detection times as low as 2 ms. Positioned as a future-proof solution, the relay supports IEC 61850 communication and wide-area monitoring, making it ideal for smart grid applications. By minimizing false trips and enabling predictive maintenance, the REF615C_E HCFDACADABC2BAN11E enhances grid resilience and reduces operational downtime.

Technical Specifications

Main Features and Advantages

The ABB REF615C_E HCFDACADABC2BAN11E excels in its ability to deliver adaptive protection and advanced grid management. Its Adaptive Distance Protection dynamically adjusts settings based on real-time network conditions, such as load changes or distributed energy resource (DER) integration, reducing the risk of unnecessary tripping. The relay’s Synchrophasor Technology (IEEE C37.118) enables precise time-stamped measurements for wide-area monitoring, critical for stabilizing modern grids with high renewable energy penetration.

A key advantage is the relay’s cybersecurity-hardened design, featuring encrypted communication, secure firmware updates, and role-based access control, ensuring compliance with evolving industrial cybersecurity standards. The REF615C_E HCFDACADABC2BAN11E also simplifies maintenance with its Predictive Health Index, which monitors component wear and provides actionable insights via ABB’s Relion® Manager software. The module’s hot-swappable design and built-in test interfaces reduce mean time to repair (MTTR) in critical applications.

The relay’s multi-protocol support eliminates the need for dedicated gateways, enabling seamless integration with legacy and modern systems alike. Its compact form factor optimizes space in switchgear panels, while the rugged enclosure (IP54-rated for outdoor use) ensures reliability in harsh environments, including high humidity, dust, and vibration.

Application Field

The ABB REF615C_E HCFDACADABC2BAN11E is ideally suited for medium-voltage systems across diverse industries. In power utilities, it protects transmission lines, transformers, and distribution networks, ensuring stable power supply to urban and rural areas. For industrial facilities such as mining, steel, and chemical plants, the relay safeguards motors, generators, and UPS systems, preventing costly disruptions due to faults.

In renewable energy, the REF615C_E HCFDACADABC2BAN11E supports the integration of solar farms, wind parks, and microgrids by providing fast-acting protection against voltage fluctuations and islanding conditions. It also plays a critical role in transportation infrastructure, such as electrified rail and smart charging networks, where reliable power protection is essential for safety and efficiency.

By addressing the challenges of grid modernization, DER integration, and cybersecurity, the relay helps customers meet sustainability goals while ensuring regulatory compliance. Its versatility makes it a preferred choice for both greenfield projects and retrofits of legacy protection systems.

Installation and Maintenance

Pre-installation preparation: Mount the ABB REF615C_E HCFDACADABC2BAN11E on a grounded DIN rail in a switchgear panel, ensuring proper spacing for heat dissipation. Connect current transformers (CTs) and voltage transformers (VTs) with shielded cables, following polarity guidelines in the manual. Configure the relay’s IP address and IEC 61850 settings using Relion® Manager, ensuring synchronization with the SCADA system’s time server (SNTP/NTP).

Maintenance recommendations: Regularly review event logs and phasor data via Relion® Manager to identify trends in fault frequency or power quality issues. Perform annual functional tests using a secondary injection test set to verify protection settings and trip characteristics. Update firmware biannually to incorporate new DER integration features and cybersecurity patches. Clean the relay’s ventilation slots and inspect terminal connections for signs of corrosion, particularly in outdoor or coastal installations. In redundant systems, test dual-channel functionality during scheduled outages to ensure reliability.

Product Guarantee

ABB stands behind the REF615C_E HCFDACADABC2BAN11E with a 5-year warranty, covering defects in materials and workmanship. The relay undergoes rigorous testing for EMC compliance, thermal stability, and functional safety, ensuring adherence to IEEE and IEC standards. ABB’s global service network provides 24/7 technical support, on-site commissioning, and remote diagnostics via the ABB Ability™ platform, minimizing downtime and optimizing performance. Customers can access comprehensive training modules and simulation tools to maximize the relay’s capabilities, reinforcing ABB’s commitment to delivering reliable, future-proof protection solutions for critical power systems.