IML Security Supply
Welcome to IML Welcome to IML
Welcome to IML Welcome to IML
Welcome to IML Welcome to IML
Welcome to IML Welcome to IML
1500lb Mortise Unlatch, 12VDC, Lock Monitor SPDT, Fail Secure, Grade 1, US26D/626 Satin Stainless Steel

Part#: SMCMUNL-12
Hot#: 141719
 Finish: Satin Chrome

Available: 7 ( 4 LA, 3 SEA )

Capable of releasing under preload conditions and accommodates latchbolts up to 3/4in throw. Withstands windstorm conditions, UL listed, fire rated electric strike that includes lock monitoring standard. Field adjustable latch and deadlatch.

  • Overview
  • Specifications

Securitron 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.


  • 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
  • 1500lbs Holding Force
  • Operating Temperature -20 to +125F (-29 to +52C)
  • 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)


  • 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


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


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


  • US26D/626 - Stainless Steel
  • US10B/613 - Oil Rubbed Bronze
  • US03/605 - Polished Brass

Specifications for Securitron SMCMUNL-12

Faceplate Size4-7/8" x 1-1/4"
Faceplate StyleFlat, Square Corner
Fail StatusField Selectable
Finish ColorSatin Chrome
Frame TypeMetal, Wood
Lock CategoryMortise
Voltage12V DC
Other Specs
Alternate Codes141719, MUNL-12, MUNL12
CategoryAccess Control, Electric Strikes, Unlatch