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Generator protection REG615 ANSI

Compact and versatile solution for utility and industrial power distribution systems

REG615 is a dedicated generator protection relay for protection, control, measurement and supervision of power generators in utility and industrial power distribution systems.


  • Protection for synchronous generators in utility and industrial distribution systems.

Key benefits

  • Compact and versatile solution for utility and industrial power distribution systems with integration of protection, control, monitoring and supervision in one relay
  • Extensive range of protection functionality for synchronous generators
  • Ready-made standard configurations for fast and easy setup with tailoring capabilities
  • Withdrawable plug-in unit design for swift installation and testing
  • Large graphical display showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
  • Extensive life-cycle services
  • Ring type terminals for all connections

Key features

  • Extensive generator protection with 100 percent stator earth-fault, generator differential and out-of-step protection
  • Advanced interconnection protection fulfilling the latest grid codes for higher grid stability and reliability
  • Optional arc protection and high-speed outputs
  • Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
  • IEEE 1588 V2 for high-accuracy time synchronization and maximum benefit of substation-level Ethernet communication
  • Supports Modbus, and DNP3 communication protocols

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