STI Stopper Cover: Polycarbonate, 7 1/4 in Overall Dp, 7 1/4 in Overall Lg
The STI Stopper Cover is a clear polycarbonate alarm guard designed for indoor wall mounting with strobes. It measures 7 1/4 in by 7 1/4 in by 2 7/8 in, includes mounting hardware, and carries a NEMA 4X rating for…
SKU 3G-OTH-559920
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Product Description
The STI Stopper Cover is a clear polycarbonate alarm guard designed for indoor wall mounting with strobes. It measures 7 1/4 in by 7 1/4 in by 2 7/8 in, includes mounting hardware, and carries a NEMA 4X rating for waterproof protection against vandalism and damage.
Frequently Asked Questions
What is the STI Stopper Cover used for?
The STI Stopper Cover is a clear polycarbonate alarm guard designed to protect indoor strobes from vandalism and accidental damage. It mounts on walls, includes mounting hardware, and carries a NEMA 4X waterproof rating, making it suitable for industrial facilities, schools, and commercial buildings.
What are the specifications of the STI Stopper Cover?
The STI Stopper Cover (MPN STI-1229HTR240-HAZ) is made of clear polycarbonate, measures 7 1/4 in by 7 1/4 in by 2 7/8 in, and is rated NEMA 4X for waterproof protection. It is designed for indoor wall mounting with strobes and includes mounting hardware. No alarm is included.
Where to buy the STI Stopper Cover worldwide?
3G Electric supplies the STI Stopper Cover worldwide, handling full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine STI products and support procurement across 14 departments, ensuring you get the right alarm guard for your application.
How to install the STI Stopper Cover?
Install the STI Stopper Cover by surface-mounting it on a wall using the included hardware. Ensure the strobe is properly aligned inside the guard before securing. For best results, follow generic best practices for indoor NEMA 4X enclosures, including verifying a clean mounting surface and proper sealing.
STI Products
3G Electric supplies STI covers for alarms & wall fixtures. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


