Product Name:

REF615C and REF615E

Product Description:

The ABB REF615C and REF615E are intelligent protection and control relays designed for various applications in the electrical distribution network, particularly for protecting and controlling medium-voltage motors and transformers. These devices provide comprehensive protection functionalities including overcurrent, earth fault, and voltage protection, along with advanced control capabilities.

Key Features:

• Protection Functions: Overcurrent, earth fault, thermal overload, voltage protection, and motor protection.
• Communication: Supports various communication protocols such as IEC 61850, enabling integration into smart grid systems.
• User Interface: Equipped with an intuitive user interface for configuration and monitoring.
• Versatility: Can be used in different types of electrical installations, including substations and industrial facilities.

Product Parameters and Specifications:

1. General Specifications:
   • Supply voltage: Typically available in a range of voltage ratings (e.g., 100-250V AC/DC).
   • Operating temperature: -20°C to +55°C (depending on model).
   • Dimensions: Varies by model.
2. Protection Functions:
   • Overcurrent protection (IDMT, definite time).
   • Earth fault protection (IDMT and/or definite time).
   • Voltage protection (over/under voltage and under frequency).
   • Thermal overload protection for motors.
3. Monitoring and Diagnostics:
   • Event logging and last 1000 events memory.
   • Power quality monitoring (depending on model).
   • Self-testing and diagnostics functions.
4. Communication Interfaces:
   • IEC 61850 (in REF615E models).
   • Modbus, DNP3, etc., for seamless integration into automation systems.
5. Customization:
   • Modular design allowing customization per application needs.
   • User-configurable settings for various protection functions.

Product Use:

The REF615C and REF615E controllers are primarily used for:

• Protecting electrical transformers and motors in substations and industrial plants.
• Monitoring electrical parameters and performing diagnostics for better operational reliability.
• Integrating into smart grid systems for enhanced functionality and communication.
• Automating control processes in medium-voltage applications.