The ABB REF615 is part of ABB’s RELION® family of protection and control devices tailored for medium and high-voltage power distribution.

Product Name:

• ABB REF615
  • Variants: REF615A_1G, REF615C-E, REF615E_E

Product Description:

The REF615 is an adaptive, multifunctional relay that provides comprehensive protection, control, monitoring, and communication for various power system applications, especially in substations and industrial facilities. It is designed for the protection of feeders, transformers, and motors, delivering robust performance in both traditional and smart grid configurations.

Product Parameters:

• Primary Functions:
  • Overcurrent protection (Phase and Earth)
  • Distance protection
  • Transformer protection
  • Backup protection
  • Current and Voltage monitoring
  • Automatic Reclosing
• Communication Interfaces:
  • IEC 61850 (Ethernet)
  • Modbus RTU/TCP
  • DNP3
  • Fiber optic communication options
• Power Supply:
  • AC or DC supply options
  • Backup battery features

Specifications:

• Operating Voltage Range:
  • Generally 48-250 V DC
  • 100-240 V AC
• Protection Class:
  • IP54 (front) / IP20 (rear)
• Display:
  • LCD display with LED indicators
• Dimensions:
  • Various options based on model, generally in a 19-inch rack mountable or standalone format.
• Temperature Range:
  • Standard operational temperature from -40°C to +70°C
• Certificates:
  • Complies with relevant international standards (IEC, IEEE)

Product Use:

• Applications:
  • Utility and industrial substations for feeder and transformer protection
  • Distribution networks
  • Renewable energy systems (wind, solar)
  • Industrial and commercial power distribution systems
• Benefits:
  • Enhanced situational awareness through advanced monitoring and reporting
  • Improved reliability with integrated self-supervision features
  • Flexibility to adapt to future system needs through software updates