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Trapped Key Locks and Systems - amGardpro


The unique modular design enables a wide range of configurations while providing electromechanical solutions for almost all safety applications: SIL 3 (EN/IEC 60261), Category 4, and PLe (EN/ISO 13849-1).




amGardpro offers a wide range of electromechanical locks and control panels. They can be combined with the mGard series products because the keys are compatible.

  • Fully integrated safety limit switches with or without solenoids
  • Safety limit switches can be supplemented with additional modules, such as trapped key, emergency release, dual-sensing, and pushbutton modules
  • The pushbutton module can include emergency stop and pushbuttons, selector switches with or without lights, and key switches are also available
  • Thanks to its robust design, it is suitable for many industrial applications
  • Large tolerances in locking tongues allow for mechanical movement of the lockable structures
  • Various handle mechanisms, which can also include an internal emergency release option
  • Wired and bus models: Profinet, Ethernet IP, EtherCat
  • Direct connection to safety buses: ProfiSAFE, CIP Safety, EtherCat FSoE

Explore Fortress' configurators and create a lock that meets your needs!


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