Digital protection relays and control

Protection relay with control functions : SIPROTEC 5


SIPROTEC 5 is part of the new generation of incomparable modular, flexible, and intelligent digital field devices. With modularly designed hardware and software and its high-performance DIGSI 5 engineering tool, the SIPROTEC 5 product family of field devices are perfect for protection, control, monitoring, and measuring applications in electrical energy systems. SIPROTEC 5 offers a wide product range with modular elements for every application and requirement.

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SIPROTEC 5 Compact Webinar 9:00 a.m.

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SIPROTEC 5 Compact Webinar
Webinar - Expert Workshop Series

SIPROTEC 5 Compact, 26th Jan

A universal device for your medium voltage applications

Learn the newest capabilities and features that SIPROTEC 5 Compact offers you and your clients, advancing and modernizing your specification requirements.  


Interested? Then participate on the time of your choice:

Register for - January 26, 2021 | 10:00 a.m. CET (English language)

Register for - January 26, 2021 | 01:00 p.m. CET (Deutsche Sprache)

Register for - January 26, 2021 | 05:00 p.m. CET (English language)

World of Energy Automation
Virtual fair and conference, Feb 1 - Feb 4

World of Energy Automation - Global Summit

Learn more about energy automation solutions and products and be part of this international meeting of experts.

  • 4-day global summit and exhibition
  • 3-day conference program
  • 5 virtual halls with 22 exhibition stands
  • Coffee Lounge

Don't hesitate to register!

More information and registration to the event


Protection Relay: SIPROTEC 5 new versions

SIPROTEC 5 – New version V8.3 and V8.4

The new version expands the use of SIPROTEC 5 devices in the areas of user-friendliness, communication, safety and security and industrial application.


Some of the highlights:

  • Distributed busbar protection for up to 45 bays
  • Power Quality Basic functions
  • Favorite settings and filtering of routing information
  • Automated IEC 61850 engineering with typicals
  • Measuring point disconnection
  • Dynamic voltage regulation (DVR)
  • Virtual network segregation (VLAN)
  • Profinet IO with S2 redundancy
  • Merging unit: 2 sampled values streams per module
  • IEEE C37.118 PMU
  • Authenticated network access IEEE 802.1X

SIPROTEC 5 Portfolio

Protection Relay and Control Device Selector -ANSI- Easy and Online

Easy Protection Device Selector

This tool gives a quick guidance to find a protection relay and control devices of SIPROTEC 5, SIPROTEC 4, SIPROTEC Compact, Reyrolle which would fit your needs.




SIPROTEC 5 Protection and Control Applications

Tutorials all about the features, functions, and applications of SIPROTEC 5 protection relays and controls

Dr. Thomas Liebach explains the expansion of SIPROTEC 5 devices.

SIPROTEC 5 presented by Manfred Unterweger.

Udo Faubel explains the SIPROTEC 5 configurator:

SIPROTEC 5 System Features