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 7800 and 8200 require tab kit model #STK-1 for retrofit installations)

Product Options

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

Specification Data

  • UL10B Listed
  • UL10C Listed
  • UL listed to ANSI/SDI-BHMA A250.13 (60PSI) Windstorm
  • Patent Numbers: 6,022,056; 6,581,991; 6,902,214

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
US03/605 - Polished Brass


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