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  Delayed Egress Magnetic Lock Application  

Protect your assets and ensure occupant safety with our Delayed Egress Magnetic Lock Applications. This high-security configuration is engineered to deter unauthorized exiting by implementing a controlled 15 or 30-second delay upon an attempted exit. By integrating a professional delayed egress mag lock with local audible alarms and fire system overrides, you create a robust security boundary that meets strict NFPA 101 Life Safety codes while effectively reducing "push-and-run" theft in retail and commercial settings.

Delayed Egress Magnetic Lock Application

System Operation: 

Delayed egress systems function by maintaining a lock's bond for a short period after an exit attempt is detected, allowing security personnel time to respond. 

  • The door shall be normally closed and secured by a delayed egress electromagnetic lock.
  • The locking device shall be designed so that any attempt to egress during non-emergency situations shall initiate an irreversible 15 second delay be fore allowing the locking device to release.
  • The irreversible delay shall be initiated by no more than 15 lbs of force continuously applied to the release hardware for a period not to exceed three seconds. 
  • Initiation of the delayed egress cycle shall activate a signal that the system is functional.
  • Authorized egress and system reset shall be allowed by using the key to deactivate it on the electromagnetic lock.
  • The system shall include a mandatory self-adhering sign for application to the egress side of the door.
  • The lock shall interface with an approved supervised fire system for immediate release upon fire emergency activation.


Operations Summary:

  • Secured State: The delayed egress mag lock is energized and holds the door securely. The internal sensor or push bar monitors for physical pressure.
  • Activation: An unauthorized user pushes the door. Once a specific force is applied for more than 1–3 seconds (the "nuisance delay"), the system triggers.
  • Alarm & Countdown: An internal high-decibel siren sounds immediately, and the countdown begins (typically 15 seconds). This alerts staff that a security breach is in progress.
  • Release: Once the countdown expires, the magnetic bond is neutralized, and the door opens freely for egress.
  • Reset: The system must be manually reset using a keyswitch or authorized digital code to silence the alarm and re-energize the lock.
  • Life Safety Override: The delay is automatically bypassed if the building's fire alarm is activated or if power is lost, ensuring an immediate, unhindered exit path during emergencies.

Power Supplies & Power Transfer

Ensure your electrified hardware never misses a beat with our Securitron BPS and PSP power supplies, which deliver clean, filtered power to your access control system. To protect critical wiring from damage or tampering, we offer a full range of power transfer solutions, including concealed electric hinges, EPTs, and heavy-duty armored door loops.  

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Delayed Egress Magnetic Locks

The SDC 1511S Exit Check is an industry-leading self-contained delayed egress lock. It features a built-in alarm, a visual countdown display, and is field-adjustable for 15 or 30-second delays. It is designed to meet all national building and fire codes for "Access Controlled Egress Doors."

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