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
1500lbs Unlatch for Cylindrical Locks, 24VDC, Lock Monitor SPDT, Grade 1, US10B/613 Oil Rubbed Bronze

Part#: SMCUNL-24-10B
Hot#: 156128
 Finish: Dark Bronze Anodized

Available: 4 ( 2 KAN, 2 LA )

Capable of releasing under preload conditions, accommodates latchbolts up to 5/8in throw. Withstands windstorm conditions, UL listed, fire rated electric strike with lock monitoring standard and provides ANSI/BHMA Grade 1 holding power.

  • Series Overview
  • Specifications
Notice: The info below is not item specific.

Securitron UNL Unlatch Strike

Unlatch is for any application where an electric strike would be used for a cylindrical/tubular lockset. Unlatch supports full dead latch function, 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)

FSUNL Option:

  • FSUNL allows the UNL and MUNL to become selectable for either "Fail Safe" or "Fail Secure" operation.


  • Holding Force: 1500lbs (680kg)
  • Current Draw:
    • 12VDC: 40mA continuous, minimum 300mA when operating
    • 24VDC: 40mA continuous, minimum 200mA when operating
    • Higher capacity supply (1-3 Amps) is recommended for startup inrush to achieve best operation under pre-load
  • Operating Temperature: -20 to +125F (-29 to +52C)
  • Shipping Weight: 1.6 lbs.


    Part # Description
    UNL-12 Unlatch for Cylindrical Locks - 12VDC
    UN L-12-10B Unlatch - 12VDC, Oil Rubbed Bronze
    UNL-24 Unlatch for Cylindrical Locks - 24VDC
    UNL-24-10B Unlatch - 24VDC, Oil Rubbed Bronze


  • US32D/630 - Satin Stainless Steel
  • US10B/613 - Oil Rubbed Bronze

Specifications for Securitron SMCUNL-24-10B

Other Specs
Alternate CodesUNL-24-10B, UNL-24-Oil Rubbed Bronze, UNL2410B, UNL24Oil Rubbed Bronze
CategoryAccess Control, Electric Strikes, Unlatch
Door ApplicationElectric Strikes
Electric Strike CompatibilityCylindrical Deadlatch, UL Listed
Electric Strike Faceplate Size1-1/4" x 4-7/8"
Electric Strike SeriesUNL
Fail Safe/Fail SecureField Selectable
Finish Code613
Finish ColorDark Bronze Anodized, Dark Bronze/Clear Coat, Dark Brown, Oil Rubbed Bronze
Fire RatedYes
Voltage24 VDC