Upgrading An Outdoor Security Gate

It takes teamwork and innovative products such as the Locknetics 390+ electromagnetic lock, Locinox Titan Gate Closer, GRI 4400 Series magnetic contracts and HID MaxiProx reader to get the job done right.


My client called me up and asked if I could help him upgrade a personnel gate to a secured opening and connect it up the premises access control system. Although gates aren’t my thing, I didn’t want to pass up the opportunity to manage this project because I knew I could do a great job and...


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My client called me up and asked if I could help him upgrade a personnel gate to a secured opening and connect it up the premises access control system. Although gates aren’t my thing, I didn’t want to pass up the opportunity to manage this project because I knew I could do a great job and because I didn’t want my client finding new contractors. I submitted an estimate for my portion of the project, and the client asked me to get prices for the gate.
I quickly realized that I needed to get someone local, and that the person needed to be accustomed to performing quality custom work. I found a firm in the area that was small enough to want the job and big enough to be able to do the job correctly.
As it turned out, I also required a custom pedestal be fabricated, because the model I had previously used, which was imported from China, was no longer available. My metal worker reviewed my sketches and we had a deal for both the fence and the pedestal.

LOCKNETICS 390G+ MAG LOCK
I knew I wanted to use electromagnetic locking on the gate, and although I was sure that a single 1200 lb electromagnet would provide the required bond, I was careful to take in to account the variables associated with an exterior gate and hinges. I wanted to provide a margin of error so that the gate would lock reliably. These included:
The affect of moisture on mating surfaces of a maglock; and
Heavy usage of this gate, which would get opened and closed several hundred times a day.
I selected the Locknetics 390G+ which was designed for this type of application, used a conduit fitting for wiring, and came with a set of brackets which would enable me to mount them on my gate with relative ease.
The 390G+ is designed for use on exterior gate applications, though it can be used indoors under circumstances where conduit-enclosed wiring is desirable or unavoidable.
The unit is supplied in an anodized finish. Options include DSM (Door Status Monitor) and MBS (Magnetic Bond Sensor).
Input Voltage is field set by installer for either 12 or 24 VDC.
The 390G+ may be used on either in-swinging or out-swinging openings and sliding openings.
Mounting situations may be encountered which may necessitate fabrication of custom brackets or reinforcements to accommodate the lock.
Wiring connections are protected by ½” EMT conduit. Wire leads provided are 24 inches long.
You must determine which type of mounting screws provided will best suit your installation. Several fasteners are supplied with the unit, but you may need to provide your own fasteners if the application warrants.
Armature mounting hardware is provided for direct mounting. The sex nut (provided) can be used instead of the TJ brackets, if mounting the armature on a standard, 1-3/4” door. Other sex nuts, of different lengths, are available from Locknetics distributors.
For information on Locknetics products, contact your local locksmith distributor or Locknetics, Ingersoll Rand Security Technologies, web site www.locknetics.com or phone 800-847-1864.

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