ABB REB670 Busbar Protection

Overview

The REB670 IED (Intelligent Electronic Device) is a cutting-edge solution for busbar protection and monitoring. It safeguards busbars, T-connections, and meshed corners in power systems, spanning medium to extra high voltage levels. The device supports configurations including single, double, and triple busbars, as well as various breaker arrangements. By offering fast and reliable fault clearance, it ensures the protection of critical equipment and personnel in power distribution networks. Integrated with the Relion family, the REB670 guarantees seamless interoperability and future-proof performance.

Technical Specifications

• Voltage Range: Medium to extra high voltage
• Zones: Up to 6 protection zones
• Fault Detection:
  • Phase-to-phase and phase-to-earth faults
  • Multi-phase faults in isolated or high-impedance earthed systems
• Fault Clearance: Selective, fast, and reliable
• Supported Busbar Configurations:
  • Single, double, and triple busbar
  • With or without transfer bus
  • Double-circuit breaker
  • One-and-a-half circuit breaker arrangements
• Communication Protocols: IEC 61850 compliant, for interoperability
• Power Supply: 24 V DC or 110/230 V AC/DC
• Inputs/Outputs: Extensive I/O capabilities for flexible system integration
• Operating Temperature: -25°C to +70°C
• Mounting: Rack or panel mounting
• Standards Compliance: IEC 61850, IEC 60255, and other relevant protection standards