Electromagnetic locks use electricity to make metal temporarily magnetic.
Electromagnetic door lock not working.
The second problem is that the system is not designed correctly because any electromagnetic locking system should have redundant means of forcing the electromagnetic lock to unlock for free safe egress.
Hi all looked at a door which is locked via a magnet on the door frame and a metal plate on the door.
For use alone or as part of an access control system these locks use electromagnetic force to hold double doors closed.
This is question of how these doors should be wired to work in this interlocking fashion.
Under voltage will lead to poor performance generally a reluctance to unlock.
A magnetic keyed lock uses variations in the push and pull of a magnetic key to set the pins.
This button usually has a timer that once the button is pressed keeps the lock unlocked for either 15 or 30 seconds in accordance with nfpa fire codes.
When the door is gently shut by a person the door does not lock.
Some use 24 v because they are intended to work with usa designed 24 v fire systems.
When the door is opened and left to shut on its own the magnet energises and the door locks.
Once users and security staff get used to their convenience magnetic door locks can be easily neglected therefore enduring various malfunctions.
They mount under the door frame header and.
Since electromagnetic locks do not interact with levers or door knobs on a door typically a separate release button that cuts the lock power supply is mounted near the door.
Control the locks with a push button switch or keypad door control sold separately.
When power is interrupted they instantly release.
With electric strikes often the latch loading against the gate of the strike will prevent it from releasing.
Most electric locks and strikers used in south africa are designed to work with 12 v to plus minus 10.
The situation is that i have two doors that are controlled by two separate mag locks and both doors are to remain open until someone opens door 1 which locks the other door 2 and will not open until door 1 shuts and vice versa.
Over voltage will shorten the life of the coil.
And a magnetic coded lock exactly like the nearly unpickable lock evva mcs is a mixture of a standard lock and a magnetic keyed lock.
Locks include two strike plates to control two doors at once.