mit TSRDF Steuer-modul für echte DrehstromtrafosTSRDF control modul, together with external Thyristors, for true 3 phase Transformersavec le TSRDF mudule pour 3 phase transfos vraiment
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A TSRDF Modul can control Solid State Relays or Thyristormoduls and controls a bypasscontactor.

With a TSRDF you can built up a transformersoftstarter or Pulsgroup Switcher for 3 Phase Transformers up tu 500V and 500 Amps.

TSRDF Controlmodul without on board thyristors
three phase transformers softstart