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Door Interlocks

Fortress Systems DM series of trapped key door interlocks are designed in a modular series, so that you can have multiple access keys. The key features of the DM series trapped key door interlocks are:

  • 4 head rotation angles with an adjustment of 360º at 90º increments with +/- 5º fine adjustment
  • Two actuator entry points
  • DM locks have stainless steel heads
  • Tamper resistant head mechanism
  • Choice of actuators including fixed tongue head and handle actuators.
  • Extremely varied combination of isolation/access keys possibilities
  • Sequential or Non-sequential key operation
  • Simply add modules so you can add to existing configurations
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