When employing electromagnetic locks, doors generally do not have a door-mounted manual latch release. Because of the absence of a manual latch release, the NFPA has established The Life Safety Code 7 ...
Electromagnetic locks are intended for use where there is a need for additional door access control or security. When the exit and entry must be controlled, it is necessary to provide a fail-safe ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback