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  • RelaySimTest: Application-oriented and distributed protection testing

    Easy end-to-end testing by controlling multiple test sets via Internet
  • Register now for the Protection & Testing Conference & Workshop

    We are happy to invite you to the first PTCW in UK in cooperation with ABB
  • New Primary Test Manager software version 3.0 available

    The faster, safer and more efficient way of testing
  • New PDL software version 1.2 available

    More efficient partial discharge localization

  • "Extraordinary support starts with the first contact. We always communicate from technician to technician, worldwide and around the clock."


    The electrical power supply must be working reliably 24/7. We support you with free, professional technical support. Close to 30 technicians and more than 100 training courses worldwide underline this fact. And with new branches being added each year, we are coming even closer to you.

  • "Quality and innovation is always closely linked to the people who work for you."


    We are highly motivated and constantly willing to try out new things. The high quality level of our products speaks for itself. The combination of these two things shows that customers can rely on us to provide them with the best solutions for their future tasks.

  • "Knowledge is a most important possession that increases when shared."


    Real expert knowledge can only be reached through a collective effort. We are able to increase common know-how by sharing it in multiple conferences, training courses and seminars worldwide. The easy access to this knowledge in the customer area of this website also contributes to this process.