Securitron MUNL Mortise UnLatch® Strike

Mortise UnLatch is for any application where an electric strike would be used for a mortise type lock. The Mortise UnLatch includes field adjustability for latch and deadlatch positions, releases under pressure and includes a latch status monitoring output.

Product Features

  • No cutting or altering of the jamb required
  • Releases under preload
  • Fits standard ANSI 4-7/8″ strike cutout
  • Motorized, no solenoids
  • Fully concealed installation
  • Maintains dead-latch function at all times
  • Continuous duty
  • Latch status sensor is standard
  • One model works with most North American Mortise Locks (Sargent 7900 and 8200 require tab kit model #STK-1 for retrofit installations)
  • SecuriCare five-year, no-fault, no questions asked warranty (Addition of HES SMART Pac III extends the warranty to 10 years)

Product Options

  • 12VDC
  • 24VDC
  • FSUNL for field selectable fail-safe operation

Securitron FSUNL Fail Safe Unlatch® Module: FSUNL allows the UNL and MUNL to become selectable for either “Fail Safe” or “Fail Secure” operation. Removal of power initiates a full unlatch or latch cycle depending on which mode is selected.


Holding Force

1500lbs [680kg]

Current Draw:
12VDC: 40mA continuous, minimum 700mA when operating
24VDC: 40mA continuous, minimum 500mA when operating
Higher capacity supply (1-4 Amps) is recommended for startup inrush to achieve best operation under pre-load

Operating Temperature:
-20 to +125F [-29 to +52C]

Shipping Weight:
2 lbs [0.91kg]

US26D/626 –
 Stainless Steel
US10B/613  Oil Rubbed Bronze
US3/605 – Bright Brass Clear Coated


Part # Description
MUNL-12 Mortise Unlatch – 12VDC
MUNL-24 Mortise Unlatch – 24VDC

Securitron MUNL Mortise UnLatch® Strike

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