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What is the ND55?

The ND55 is an Entrance lock with Automatic Unlocking with an outside indicator.

  • Lever with key cylinder outside.
  • Turn/Push Button Locking: Pushing and turning inside button locks the outside lever requiring use of key until button is manually unlocked. 
  • Push-Button Locking: Pushing inside button locks outside lever until unlocked by key, turning inside lever or closing the door. 
  • In unlocked state latch is retracted by either lever.
  • Inside lever always free for egress.

Caution: Egress without fully releasing the push/turn button can result in lock-out situations.

 


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