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ABB REB500 Comprehensive Rail Protection

The ABB REB500 is a comprehensive numerical rail protection device designed to enhance the reliability and efficiency of substations. This innovative solution offers a wide range of protection features, including rail protection, breaker fault protection, end fault protection, overcurrent protection, and voltage interruption. The REB500 is specifically designed for decentralized protection, making it ideal for medium-voltage (MV) and high-voltage (HV) applications.

Key Specifications and Features

The REB500 is a numerical rail protection device that supports communication protocols such as IEC 61850, DNP3, and others. It is suitable for both medium-voltage and high-voltage applications and features standard DIN rail mounting. The weight of the device varies depending on the configuration. Some of its key features include:

• High-speed protection: Provides subcircuit current protection for rails, ensuring rapid fault detection and response.
• Selective protection: Ensures precise fault isolation, minimizing the impact on surrounding systems.

Advanced Capabilities and Benefits

The REB500 is equipped with advanced features that enhance situation awareness and maintenance. These include dynamic busbar replication, test generator, and a removable local HMI for better monitoring and maintenance. The device is configurable to adapt to various substation configurations, offering scalability and versatility. Its robust communication capabilities allow for seamless integration into existing systems through various supported communication protocols. The REB500 stands out for its high-speed protection, selective protection, advanced capabilities, and flexible configuration, making it an excellent choice for any substation.