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Release of Relion® REB500 Ver. 8.2

The 4th Evolution of distributed busbar protection. Relion® REB500 version 8.2, brings several new features and functional enhancements to the Relion® REB500.

REB500 belong to the Relion protection and control product family. The product is designed to provide the core values of the IEC 61850 standard. REB500 supports different busbar protection philosophies. A distributed solution can be made by assigning each physical bay unit into the corresponding bay cubical. Alternatively, bay units can be integrate into centralized cubicles.

New features and benefits

A number of new features are included in this release. The key features and their benefits are listed below:

  • Line backup protection
  • Web HMI
  • Hot pluggable local HMI
  • IEC61850-8-1 GOOSE receive

Life cycle statement

The release of the REB500 version 8.2 does not affect the product life cycle of REB500 version 7.x. Version 7.x will continue to be in active state and available for order.


  • Central Unit
    6U, ¾ * 19” Relion series
  • Bay Unit
    6U, ½ * 19” Relion series

Read all about the release here.

Kind regards,

Christian Pinzon
Global Product Manager
Grid Automation Products
power plant engineer for substation

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