Multipurpose Polycarbonate Enclosures Protect Against Vandalism and Damage

May 2, 2017 – These clear, super tough, polycarbonate enclosures are designed to protect keypads, annunciators, larger devices, components and sensitive units from vandalism and accidental damage as well as the weather, dirt, dust and grime.

Called the STI Polycarbonate Enclosure (STI-7500 and STI-7501 series), they come with an interior key or thumb lock and offer a choice of six back boxes to accommodate both new and retrofit applications. The cover and lock help deter unauthorized users from tampering with important electronic units.

The varieties of back boxes available are:

A – Enclosed deep back box (3.40 in. depth)

B – Enclosed back box with double-gang electrical box (0.55 in. depth)

C – Open back box for flush mount applications (1.76 in. depth)

D – Open conduit back box, surface mount applications (2.79 in. depth)

E – Open back box for flush mount applications (1.01 in. depth)

F – Enclosed back box (1.60 in. depth)

Proving customers can rely on STI, the covers are backed by a three year guarantee against breakage in normal use. They have a 94V-2 flammability rating and installation is fast and easy. Mounting hardware and gaskets are included.

For more information on the STI Polycarbonate Enclosure (STI-7500 and STI-7501 series), or the entire Stopper® Line, call 800-888-4784, fax 248-673-1246, email or visit

Safety Technology International, Inc.

2306 Airport Road

Waterford, MI 48327-1209 USA

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