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Yale AUCN8891FL

Fail-Secure Mortise Lock

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Special Order non-stock item Requires 6 week lead time


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The Yale 8891 fail-secure mortise lock provides on-demand access when used with an access control system, yet security when no power is applied, or power fails.

  • Special Order
  • FREE Shipping

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Choose Finish:

Satin Chrome - 626 Satin Chrome - 626

Choose Handing:

Left hand (LH)
Right hand (RH)

Help Me Decide

The handing of a door is always determined from the push side.




  • If the door swings away from you to the left, it is a Left Hand door
  • If the door swings away from you to the right, it is a Right Hand door



Ideal for use with stair tower doors, office doors, classrooms, interlocks, elevator lobby doors, laboratories, computer rooms, cashier
stations, hospital equipment rooms and pharmaceutical storage rooms.

  • Current draw of .25A @ 24VDC
  • Certified ANSI/BHMA A156.13, Series 1000, Operational Grade 1
  • Through-bolted trim installation
  • UL Listed for fire door applications

Other trim designs, features and finishes available. Contact us for your other special requirements.

Available Options: Choose Options Above

  • Finish:

  • Handing: info icon

    • Left hand (LH)
    • Right hand (RH)



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