The ABB REF610C55HCNR Feeder Protection Relay is a state-of-the-art microprocessor-based device designed to provide reliable protection, control, and supervision for medium-voltage distribution networks. Part of ABB’s Relion® 610 series, this compact and modular relay offers a comprehensive range of protection functions, ensuring the safety and stability of electrical feeders in industrial and utility applications.

Key Features and Specifications

• Protection Functions: The REF610C55HCNR offers a wide array of protection functions, including:

  • Phase Overcurrent (50/51)

  • Earth Fault (50N/51N)

  • Thermal Overload (49)

  • Negative Sequence Overcurrent (46)

  • Directional Overcurrent (67) – optional

  • Undervoltage/Overvoltage (27/59) – optional

• Communication Protocols: Supports multiple industry-standard communication protocols for seamless integration into automation systems:

  • IEC 61850

  • Modbus RTU

  • DNP3.0

  • IEC 60870-5-103

  • SPA

  • Profibus

• Inputs and Outputs:

  • Configurable binary inputs: 6–8

  • Relay outputs: 3 trip outputs, 5 signal outputs

  • Analog inputs: 3 current, 1 voltage

  • Communication ports: RS-232 / RS-485 / Ethernet (depending on configuration)

• Electrical Characteristics:

  • Rated Current (In): 1 A or 5 A (selectable)

  • Rated Voltage (Vn): 110–240 V AC/DC auxiliary supply

  • Frequency: 50 Hz / 60 Hz

  • Burden (per phase): < 0.5 VA

  • Trip Contact Rating: AC 250 V / 5 A, DC 30 V / 5 A

• Environmental Conditions:

  • Operating temperature: –10°C to +55°C

  • Storage temperature: –40°C to +70°C

  • Humidity: 5–95%, non-condensing

  • Ingress protection: IP54 (front), IP20 (rear)

• Mechanical Dimensions:

  • Width: 177 mm

  • Height: 177 mm

  • Depth: 125 mm

  • Weight: 3.2 kg

Applications

The ABB REF610C55HCNR Feeder Protection Relay is ideal for:

• Medium-voltage distribution networks

• Industrial power systems

• Utility substations

• Renewable energy installations

• Critical infrastructure protection

Advantages

• Modular Design: The REF610C55HCNR features a modular design that simplifies installation and maintenance, reducing downtime and operational costs.

• Advanced Protection Functions: With a comprehensive set of protection functions, the relay ensures the safety and reliability of electrical feeders, minimizing the risk of damage and downtime.

• Flexible Communication Options: Supports multiple communication protocols, allowing seamless integration into existing automation systems for remote monitoring and control.

• User-Friendly Interface: Equipped with a clear and intuitive interface, the relay facilitates easy configuration, operation, and diagnostics.

• Robust Construction: Designed to withstand harsh environmental conditions, the REF610C55HCNR ensures reliable operation in demanding industrial and utility settings.

• Contact Information

  Evaflux Private Limited
  📞 Phone: +91 7303573946
  📧 Email: support@evaflux.com