The REB500 is part of ABB’s Relion protection and control product family, designed to provide reliable busbar protection in line with the IEC 61850 standard. The solution supports various busbar protection philosophies, offering flexibility in system configuration. Users can opt for a distributed setup, where each physical bay unit is assigned to a corresponding bay cubicle, or they can integrate the bay units into centralized cubicles. The system is equipped with a range of advanced features to enhance performance, simplify maintenance, and improve system availability.

Technical Specifications

• Brand/Manufacturer: ABB
• Dimensions: 30.2 x 23 x 6 cm
• Weight: 2.04 kg
• Country of Origin: Sweden
• Protection Standard: IEC 61850
• Busbar Protection Philosophies: Supports distributed and centralized solutions
• Communication Protocol: GOOSE for trip and remote trip functionality
• Bay Unit Features: Includes Synchro check and Auto Recloser functionality
• Test Facility: Supports trip circuit testing via the LHMI of the Bay Unit
• Start-up Time: Reduced reboot time after protection settings change
• Signal Management: Multiple signal statuses assigned to a single LED
• Switchgear Position Indication: Multi-color LED support for switchgear status
• Additional Channels: Phase difference channels available at the Central Unit
• New Signals: Includes “41850_Time not in Sync” signal for time sync issues
• Disturbance Recorder: Additional channels for enhanced monitoring