Securitron MUNL12 UnLatch Electronic Strike
Securitron’s patented UnLatch is a completely new type of electric door releasing device which sweeps away the limitations inherent in traditional electric strike designs. The UnLatch screws into the existing doorframe in seconds. There is no need for routing a special cut-out. This not only saves on installation labor, but maintains the original strength and integrity of the door frame and yields a fully concealed installation for maximum esthetic appeal.
The Unlatch is highly universal in that one version will operate any North American cylindrical type dead latch or spring latch and installs in wood, steel or aluminum door frames. Unlike conventional electric strikes, the UnLatch also releases under pressure and includes a latch status monitoring output as a standard feature. The UnLatch truly merits being called revolutionary.
An access device (such as a card reader or digital keypad) activates the UnLatch for controlled entry. Egress is accomplished by simply turning the lock set lever or knob from the inside.
Conventional electric strikes include a plate called the keeper or gate which is electrically released to swing out and thereby allows the latch to move through the space the keeper has vacated. This keeper movement is the reason why a special cut needs to be made in the doorframe. The cut-out provides a space for the keeper to swing in to.
The UnLatch however uses a motor driven plunger to push the latch back in to the door. There is no keeper and no reason to route out the doorframe. For dead latches, a second plunger separately controls the dead latch pin which is normally maintained in the retracted state for optimum security. The dead latch plunger then releases the dead latch pin just before the first plunger pushes in the spring latch to release the door. When the door is reclosed, the UnLatch automatically re-secures it including reestablishing full dead latch security. The UnLatch’s unique and novel operation yields an unprecedented array of benefits.
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