Protection and control REX615 - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - Datasheet - REX615 Protection and control - PCL1 - IEC - ANSI

REX615 Datasheet

All-in-one protection for power generation and distribution applications.

Figure 1. Supported applications

REX615 is a freely configurable all-in-one protection relay for power generation and distribution applications, representing the next step for ABB’s 615 and 620 series relays. Multiapplication coverage combined with a fully modular and scalable hardware and software ensures maximum flexibility and optimal cost-effectivity throughout the relay life cycle – and supports sustainability.

Addressing aging infrastructure by future-proofing the grid

  • Ideal for one-to-one replacement of 615 and 620 series relays as the next step in terms of technological innovation, flexibility, cost-effectiveness and standardization
  • Easy customization and adaptation to changing protection requirements with modular and scalable hardware and software
  • Extensive functionality to support the increasing integration of distributed generation and evolving grid codes
  • Condition monitoring and supervision for optimized component maintenance and return on investment
  • Relay retrofit program for smooth and easy replacement of SPACOM with REX615 relays

Supporting the digitalization of substations

  • Designed to support the increasing digitalization of substations – with IEC 61850 9-2-based process bus for future integration with centralized protection
  • Standardized IEC 61850-compliant communication – a cost-effective and ecological choice
  • Smooth interoperability between substation automation devices with the world’s first truly IEC 61850-based protection relay
  • Optimal cyber security to safeguard criticalinfrastructure

Optimizing asset management

  • Brand-new relay but with an impressive history – familiar relay saves time and efforts
  • Less to learn and less spare devices to store withone relay covering multiple application areas
  • Extensive life cycle services – long-term global partner with longtime experience close to you in your language
  • Adaptable to changing requirements for the lifetime of the relay through easy adding or replacing of modules or application packages
  • Easy access to up-to-date information via the e-business platform ABB Relays-Online
  • Latest addition to ABB’s renown Relion® relay family – strengthening the REX portfolio

Complying with evolving regulations

  • Interconnection protection package for a better way of connecting to renewables
  • Compliance with the latest grid codes to ensure renewables remain connected during disturbances
  • Extensive protection and fault location functionality to ensure compliance with the regulation of electricity utilities to minimize costly downtime
  • Third-party verified Environmental Product Declaration compliant with ISO 14025