Product Description
General Information
- Manufacturer: ABB
- Model/Part Number: REF610C55HCNR
- Model Type: Feeder Protection Relay
- Description: The ABB REF610C55HCNR is a feeder protection relay from ABB's Relion 610 series, designed for the protection, control, and monitoring of incoming and outgoing feeders in medium-voltage distribution substations. It provides overcurrent, earth-fault, and thermal overload protection, making it suitable for both utility and industrial power systems with resistance-earthed or solidly earthed configurations. The relay supports advanced communication protocols and is ideal for applications requiring reliable fault detection and minimal downtime.
Technical Specifications
| Specification | Details |
|---|---|
| Type | Feeder Protection Relay |
| Series | Relion 610 |
| Protection Functions | Non-directional overcurrent protection (three stages), non-directional earth-fault protection (two stages), thermal overload protection, phase discontinuity protection |
| Measurement | Phase currents, neutral current, thermal level, fault data recording |
| Communication Protocols | Modbus RTU, IEC 60870-5-103, DNP3 (optional with adapter) |
| Input Current | 1 A or 5 A (configurable) |
| Supply Voltage | 24–240 V AC/DC (depending on configuration) |
| Digital Inputs/Outputs | Configurable inputs and outputs (typically 3 power outputs, 2 signal outputs, optional additional outputs) |
| Operating Temperature | -25°C to +55°C |
| Enclosure | IP54 (front), IP20 (rear) |
| Application | Protection of incoming/outgoing feeders in medium-voltage distribution substations, industrial power systems, backup protection for motors and transformers |
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