Jedrek WG26/34 Wiegand to RS485 Bidirectional Converter security
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Safety Technology International
Protects fire alarm pull stations and similar devices with a polycarbonate cover that sounds a 9 V horn when opened, operating from -40 to 120 °F
The Safety Technology International STI-13020NR is a red polycarbonate cover designed to protect fire alarm pull stations and similar wall-mounted devices. An integrated horn sounds when the cover is lifted, providing an immediate local alert against tampering or accidental activation. It mounts flush to the surface and includes all necessary hardware for installation.
This cover replaces an exposed pull station or button that has no physical barrier or audible deterrent. The jump is worth it when a facility needs to reduce false alarms caused by vandalism, accidental contact, or environmental damage in corridors, schools, or public areas. It adds a layer of protection without altering the underlying fire alarm wiring or device function.
The unit fits directly over compatible buttons, intercoms, keypads, light switches, or plugs using the supplied mounting hardware. Its polycarbonate construction withstands operating temperatures from -40 to 120 degrees Fahrenheit, making it suitable for indoor and covered outdoor locations. The 9-volt horn operates independently, so the cover adds security without drawing power from the protected device circuit.
| Brand | Safety Technology International |
|---|---|
| Model | STI-13020NR |
| Type | Surface Mount Base |
| Color | Red |
The polycarbonate cover requires a flat surface at least 5 1/2 inches wide and 8 1/8 inches high with 2 5/8 inches of clearance for the flush-mount base and included hardware.
Connect the horn to a 9 V supply using the supplied terminals, then test the alarm before securing the cover; skipping the test is the most common oversight.
Replace the 9 V battery at least once a year or immediately after the horn sounds, whichever comes first, to keep the vandal-resistant cover operational.
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