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Clear polycarbonate universal stopper cover, enclosed back, wall mounted

Safety Technology International

Safety Technology International STI-13300NC Universal Stopper Cover personal protective equipment

SKU CH-X692-BST39

A clear polycarbonate cover shields switches, buttons and keypads from vandalism and accidental damage indoors or outdoors

  • MaterialPolycarbonate
  • Clear polycarbonate shell resists vandalism and accidental damage
  • IP56 rating protects against dust and water jets indoors or out
  • ADA-compliant design ensures accessible operation for all users
  • UL/cUL listed safety certification confirms reliable performance
  • Operates from -40°F to 250°F for year-round outdoor use

Universal Stopper Cover

The Safety Technology International STI-13300NC is a clear polycarbonate enclosure designed to shield electrical switches, emergency buttons, intercoms, keypads and pull stations. It suits facility managers and installers who need to protect devices from vandalism or accidental damage in indoor or outdoor settings. The cover meets ADA requirements and carries UL/cUL listing for code compliance. It is not for buyers who need a lockable enclosure or an opaque housing.

Thermal and environmental performance

The polycarbonate body is rated for continuous operation from -40 to 250 degrees Fahrenheit, maintaining structural integrity across extreme temperature swings. An IP56 rating and NEMA Type 3RX classification confirm protection against dust ingress and powerful water jets during normal outdoor exposure. The material resists UV degradation without active cooling or power draw. No moving parts or fans are present, so acoustic output is zero.

Included hardware and compliance

Supplied mounting hardware allows direct surface installation on standard electrical boxes, reducing separate parts procurement. The enclosed-back design simplifies sealing against the mounting surface compared with open-back alternatives. ADA compliance, UL/cUL listing and NEMA 3RX rating are built into the moulded unit, eliminating the need for additional gaskets or certification paperwork. The clear finish preserves device visibility for rapid identification.

Highlights

  • Clear polycarbonate shell resists vandalism and accidental damage
  • IP56 rating protects against dust and water jets indoors or out
  • ADA-compliant design ensures accessible operation for all users
  • UL/cUL listed safety certification confirms reliable performance
  • Operates from -40°F to 250°F for year-round outdoor use

Specifications

BrandSAFETY TECHNOLOGY INTERNATIONAL
MaterialPolycarbonate

Questions about this item

How do I install the STI-13300NC Universal Stopper Cover and what mounting step is often missed?

Mount the enclosed-back polycarbonate cover over the device using the included hardware on a flat surface; the step often missed is tightening all screws evenly to maintain the IP56 seal and NEMA Type 3RX rating.

What maintenance or replacement will the STI-13300NC need over time?

Inspect the clear polycarbonate housing and gasket periodically for UV degradation or cracks; replace the entire cover if the material yellows, becomes brittle, or the seal no longer meets the IP56 rating.

What is the first performance limit the STI-13300NC reaches under sustained outdoor exposure?

The operating temperature ceiling of 250 °F is the first limit; beyond this the polycarbonate can deform and the IP56 seal may fail, voiding the UL/cUL listing and NEMA Type 3RX protection.

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