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The ABB REF610C11HCNN01 is a high-performance feeder protection relay designed for medium-voltage power distribution networks. It plays a critical role in safeguarding electrical feeders by providing reliable protection, measurement, and control functions. This relay is commonly used in utilities, industrial plants, and infrastructure applications where the protection of power lines and equipment from faults such as overcurrent, earth faults, and voltage abnormalities is essential. The ABB REF610C11HCNN01 is tailored to enhance operational security and reduce downtime in electrical distribution systems, enabling quick fault detection and isolation.
- REF610C11HCNN01
- REF610C11HCNN01
As a multi-functional feeder protection solution, the ABB REF610C11HCNN01 belongs to ABB’s Relion® family of digital protection relays. It integrates comprehensive protection algorithms including overcurrent, earth fault, phase loss, unbalance, and overvoltage protection. The relay features highly accurate measurement capabilities for voltage, current, power, energy, and frequency, supporting real-time monitoring and diagnostics. It interfaces with control systems through flexible communication protocols such as IEC 61850, Modbus, and DNP3, allowing seamless integration into modern SCADA and automation platforms. Its modular design supports easy configuration and adaptation to a variety of feeder types, making it valuable for engineers managing complex power distribution networks.
The ABB REF610C11HCNN01 is designed for robust performance in demanding environments. It supports a wide range of power supply inputs from 24 to 250 V DC or 110 to 240 V AC, ensuring compatibility with global installations. The relay features a clear graphical display and keypad for intuitive operation and diagnostics. It offers a compact form factor suitable for panel mounting with typical dimensions around 144 mm by 144 mm by 95 mm, and weighs approximately 0.55 kg. Its internal memory records event logs, fault waveforms, and disturbance data for thorough analysis and troubleshooting. The relay’s high-speed processing and reliable protection algorithms contribute to extending the lifespan of protected assets and minimizing operational disruptions.
| Parameter | Value |
|---|---|
| Model | ABB REF610C11HCNN01 |
| Manufacturer | ABB |
| Product Type | Feeder Protection Relay |
| Rated Voltage | Up to 12 kV |
| Rated Current | 1000 A |
| Power Supply | 24–250 V DC / 110–240 V AC |
| Operating Temperature | Typical industrial range |
| Dimensions | Approx. 144 mm x 144 mm x 95 mm |
| Weight | Approx. 0.55 kg |
| Communication Protocols | IEC 61850, Modbus, DNP3 |
| Display | Graphical LCD with keypad |
| Protection Functions | Overcurrent, earth fault, unbalance, phase loss, overvoltage |
| Certifications | IEC, CE and other industry standard approvals |
Related ABB products complementing the REF610C11HCNN01 include:
ABB REF615 – A multi-functional feeder protection relay with extended communication and monitoring features.
ABB RET615 – Offers feeder protection with integrated fault recording and automation capabilities.
ABB REF615PLUS – Advanced feeder protection with enhanced cyber-security features.
ABB REU610 – Transformer protection relay often used alongside feeder relays for complete substation protection.
ABB REF620 – Feeder and breaker protection relay suited for complex utility applications.
Installation of the ABB REF610C11HCNN01 should consider proper electrical panel space to ensure adequate ventilation and easy access for wiring and maintenance. Grounding and surge protection are essential to prevent damage from transient voltages, especially in outdoor or exposed installations. The relay is typically panel-mounted using standard cutouts with mounting clips for secure fitting.
Routine maintenance entails regular inspection of connections, firmware upgrades, and configuration backups. Checking event logs and disturbance recordings assists in proactive system management. The relay software interface supports remote diagnostics and configuration, minimizing the need for physical intervention and reducing downtimes.
