Mortise Lock Status Indicators

Instant Reassurance 

With a unique and highly visible window design, Corbin Russwin's new status indicator options, available for the ML2000 Series mortise lock, provides clarity on the locked/unlocked status of a door. The patent-pending design allows users to easily and clearly see if a door is locked or unlocked; if a room is occupied or vacant. 


Available for use with a wide range of trim options and with a variety of functions, the new mortise lock status indicators are versatile for any application.

Highly Visible

  • Large viewing window provides safety and security at a glance and is highly visible from a distance
  • Patent-pending curved indicator plate design ensures that the viewing window can be seen at most angles
  • Reflective coating increases the visibility of the indicator in low-light conditions

Highly Customizable

  • Available with a thumb turn to simplify locking the door in stressful situations
  • Supports over 25 different mortise lock functions
  • Directional engraving provides guidance to lock/unlock the door
  • Multiple color, text, graphic and language combinations available

Easy to Install

  • Upgrade kits are available to retrofit existing ML2000 Series mortise locks
Contact Us for More Information