The Emergency Secure Lockdown (ESL) option was released in April, 2021.
Emergency Secure Lockdown (ESL) option, is ideal for high-occupancy spaces, such as auditorium-style classrooms, connected to an access control system.
These large spaces often don’t have a way to locally lockdown the room without tapping into the building’s access control system. ESL allows occupants to quickly secure the opening in the case of an emergency.
In the event lockdown is necessary, students or staff can
turn the thumb turn (or cylinder key) of the ESL option installed
in the exit device. This action interrupts power to the QEL motor,
electronically undogging (extending the latchbolt) to secure pull
side of the door as well as sends a signal to the access control
system.
The visual indication assures the occupant the exit device has been put into secure lockdown mode. Free egress out of the room is maintained from the exit side of the door, while access into the room can only be performed with a key.
Click HERE for the ESL datasheet.
Click HERE for an overview video.
Contact your local Allegion representative or product support for more information.
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