High-Performance Feeder Protection for Modern Power Systems
The ABB REF615C_C Feeder Protection and Control Relay is an advanced intelligent electronic device (IED) designed to deliver reliable protection, control, and monitoring for medium-voltage feeder systems. As part of ABB’s Relion® 615 series, it integrates multiple power system functions into a compact and efficient platform, helping improve operational visibility and system reliability.
Built for utility and industrial environments, this relay supports a wide range of feeder configurations and is widely used in both traditional substations and digitally connected power networks.
Technical Specifications
| Parameter | Details |
|---|
| Model | REF615C_C |
| Product Type | Feeder Protection & Control Relay |
| Series | ABB Relion® 615 |
| Protection Functions | Overcurrent, short-circuit, earth fault, thermal overload |
| Control Functions | Circuit breaker control, feeder supervision |
| Communication Protocols | IEC 61850, Modbus, DNP3 |
| Mounting Type | Panel / withdrawable unit |
| Operating Temperature | Industrial-grade operating range |
| Dimensions (H × W × D) | Approx. 177 × 177 × 201 mm |
| Weight | Approx. 4.1 kg |
| Installation | Modular plug-in design |
Application Areas
The REF615C_C is designed for a broad range of power distribution applications, including:
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Medium-voltage feeder protection in utility substations
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Industrial power distribution networks
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Ring and radial feeder systems
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Renewable energy integration projects
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Substation automation and monitoring systems
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Critical infrastructure requiring stable power delivery
Its flexible configuration makes it suitable for both new installations and system upgrades.
Key Advantages
The REF615C_C offers a strong combination of protection performance, operational efficiency, and system integration capability. Its fast fault detection helps isolate electrical disturbances quickly, improving overall system stability.
The compact modular design simplifies installation and reduces maintenance effort, while built-in communication capabilities enable smooth integration into modern automation systems. Its flexible architecture also supports scalable system expansion without major redesign.
Technical FAQs
1. What is the main purpose of the REF615C_C?
It is used for protection and control of medium-voltage feeder systems.
2. Can it be used in industrial environments?
Yes, it is designed for both utility and industrial applications.
3. What communication options are available?
It supports IEC 61850, Modbus, and DNP3 protocols.
4. Does it support feeder monitoring functions?
Yes, it includes measurement and system supervision features.
5. Is it suitable for modern digital substations?
Yes, it is designed for digital and automated substation systems.
6. What types of feeder systems can it protect?
It supports radial, looped, and meshed feeder networks.
7. How is the device installed?
It uses a panel-mounted or modular plug-in installation method.
8. Does it support breaker control?
Yes, it includes integrated circuit breaker control functions.
9. Is it suitable for system upgrades?
Yes, it is commonly used in retrofit and modernization projects.
10. What makes it part of the Relion 615 series?
It belongs to ABB’s modular protection platform designed for scalable feeder protection and control.
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