ABB REF610 Feeder Protection Relay – Precision Power System Protection
The ABB REF610 Feeder Protection Relay delivers advanced electrical system protection for medium-voltage distribution networks. Engineered with triple-layer safeguarding against overcurrent, undervoltage, and unbalance conditions, this relay ensures uninterrupted power supply while maintaining compliance with UL safety standards.
Key Features
- High-Accuracy Protection: ±1% measurement precision ensures reliable fault detection across 5 kA to 40 kA operating range
- Extreme Environmental Resilience: Operational from -40°C to +70°C in industrial environments
- Modular Design: Supports integration with input reactors, output filters, and braking resistors
- UL-Certified Safety: Meets international standards for electrical protection systems
- Space-Efficient Construction: 245 x 132 x 240 mm dimensions for compact panel installation
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | ABB REF610 |
| Protection Features | Overcurrent, Undervoltage, Unbalance |
| Operating Range | 5 kA – 40 kA |
| Accuracy | ±1% measurement tolerance |
| Environmental Rating | -40°C to +70°C operating temperature |
Application Fields
Designed for critical power infrastructure including:
- Medium-voltage distribution networks in power generation facilities
- Industrial motor protection systems in oil & gas operations
- Electrical substations requiring precision fault detection
- Manufacturing plants with high-reliability power demands
- Commercial buildings with complex power distribution architectures
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