SEL-651RA Recloser Control

Key Features and Benefits

• Advanced Protection: Supports coordinated high-speed fault isolation and restoration, Arc Sense™ technology, and second-harmonic blocking for extended recloser capabilities.
• Seamless Integration: Features Ethernet protocols and interfaces for easy integration into distribution automation systems. Supports DNP3, Modbus, IEC 61850, and PRP for network failover.
• Enhanced Security: Utilizes MACsec for secure Ethernet traffic and offers IPsec for end-to-end network security through the SEL-3622 Security Gateway.
• Plug-and-Work Compatibility: Designed for easy installation and configuration with EZ settings and template storage, compatible with a wide range of popular reclosers.
• High-Impedance Fault Detection: SEL AST detects high-impedance faults and downed conductors, improving protection and reducing customer impact.
• DER Interconnections: Facilitates the interconnection of microgrids and Distributed Energy Resources (DERs) to area electric power systems, meeting IEEE 1547-2018 standards.

Applications

The SEL-651RA is ideal for advanced control in distribution automation, including Automatic Network Reconfiguration (ANR) to improve service reliability. It also plays a crucial role in protecting DER interconnections and enabling autosource transfer schemes for critical loads.

Technical Specifications

The SEL-651RA supports a wide range of voltage inputs, communication protocols, and operates within a broad temperature range, ensuring reliable performance in demanding environments. For detailed specifications, refer to the official SEL documentation.