The ABB RET650 is a protection and control relay specifically designed for medium voltage applications, commonly used for the protection of generators, transformers, and other electrical equipment in power systems.

Product Name:

ABB RET650

Product Description:

The ABB RET650 is a multifunctional relay that integrates advanced protection and control functionalities. It provides comprehensive protection, monitoring, and management capabilities for electrical assets within substations and industrial facilities. The device features customizable settings and can communicate with various control systems, enabling seamless integration into modern power systems.

Product Parameters:

• Protection Functions:
  • Overcurrent protection (51)
  • Earth fault protection (50N)
  • Distance protection (21)
  • Thermal overload protection (49)
  • Reclosing control
  • Voltage and frequency protection
• Measurement Functions:
  • Current, voltage, power, energy, and frequency measurements
• Communication Protocols:
  • IEC 61850, DNP 3.0, MODBUS
• Input/Output:
  • Configurable digital and analog inputs/outputs
  • Expandable with additional I/O modules

Specifications:

• Operating Voltage: Typically from 100 to 250V AC/DC
• Current Range: Configurable to various primary current ratings
• Measurement Accuracy: ±1% for voltage and current
• Protection Class: IP54 (front), suitable for indoor use
• Weight: Varies based on configuration; typically around 2-4 kg
• Size: Standard mounting dimensions (customer-specific configurations available)

Product Use:

• Applications:
  • Used in electrical substations for transformer and generator protection
  • Ideal for industrial plants, wind farms, and hydroelectric plants
  • Suitable for integration into smart grid solutions and automation systems
• Benefits:
  • Improves system reliability and uptime through real-time monitoring and quick fault detection
  • Offers comprehensive data recording and event reporting for enhanced operational insights
  • Flexible configuration options enable customization according to specific application needs