Digital guide

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ABB BD446NN1XG

Technical Specifications

  • Model: REJ601
  • Product Type: Feeder Protection Relay
  • Brand: ABB
  • Origin: United States
  • Power Supply: 24-265 V AC/DC
  • Input Interface: Supports traditional current transformer (CT) interfaces and Rogowski coil analog interfaces
  • Operating Temperature Range: -20°C to 70°C
  • Mounting Type: Panel mounting
  • Communication Protocols: Supports Modbus RTU and IEC 60870-5-103

Detailed content

Key Features

  • Compact Design: The relay features a small footprint, making it suitable for space-constrained installations.
  • Configurable Binary Inputs/Outputs: Users can easily configure binary inputs and outputs to meet specific application requirements.
  • Self-Monitoring: The relay includes extensive self-monitoring of both hardware and software, ensuring reliable operation.
  • Detachable Terminals: Terminals with short-circuit protection are detachable, enhancing safety and ease of maintenance.
  • Easy Installation: Push-in installation simplifies the setup process, reducing installation time.
  • Protection Functions: Provides comprehensive protection, including overcurrent, ground fault, phase sequence imbalance, thermal overload, surge current detection, and reclosing capabilities.
  • Pre-Configured Functions: Ready-to-use functions facilitate quick and easy commissioning.

Application Scenarios

  • Utility and Industrial Power Systems: REJ601 is designed to protect primary and secondary distribution networks, making it ideal for utility substations and industrial power systems.
  • Overhead Lines and Cable Feeders: It offers primary protection for overhead lines and cable feeders in solidly grounded, resistance grounded, or isolated networks.
  • Distribution Transformers: The relay includes surge current stabilization features, making it suitable for protecting distribution transformers.
  • Switchgear Protection: REJ601 is widely used in switchgear applications to ensure reliable operation and protection.
  • Smart Substations: Its advanced features and communication capabilities make it a valuable component in modern smart substations.

Benefits

  • Reliability and Flexibility: The relay provides excellent reliability and flexibility, ensuring consistent performance in various industrial environments.
  • Seamless Integration: It integrates smoothly with ABB control systems, enabling optimal performance and efficiency.
  • Enhanced Safety: Features such as short-circuit protection and self-monitoring contribute to a safer operational environment.
  • Efficient Commissioning: Pre-configured functions and easy-to-use interfaces simplify the commissioning process, reducing downtime.

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