strikes work in conjunction with latches on doors and take
the place of the traditional strike plate that is used with
"jaw" of the strike is controlled by a solenoid
which allows the door to be pushed open on release. On closing,
the latchbolt will spring back into the jaw of the lock and
remain in the locked position until its next operation.
strikes are popular as they are small and discreet, they can
be fitted into both metal and timber frames, they can work
with existing door locks and they offer a strong holding force
on the door.
are available in both fail locked and fail unlocked versions
but care must be taken when a strike is connected to a fire
alarm system as side pressure on the lock will temporarily
bind its mechanism. Please ensure you always ask the advice
a locking solution for any application.
choosing an electric release, it is important to consider
how you want the lock to operate electrically, this can be
important if the lock is being installed on an emergency escape
route or being linked to a fire alarm. Locks are generally
known as either "Fail Locked" or "Fail Unlocked"
and their particular operations are detailed below -
Locked - When the electric lock has no power to it the door
is locked, power is then applied to release the door. Generally
with a fail locked electric lock the inside of the door would
have some form of lever to exit the door.
Unlocked - When the electric lock has no power to it the door
is open, power is then applied to the to lock the the door.
Generally, a fail unlocked device is used in conjunction with
a fire alarm system and the door would have either a lever
or an exit button/break glass unit to exit the door.
Mortice Electric Release
Wooden Frame Preparation
Metal Frame Preparation