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$38.27

Safety Technology International Mini Theft Cabinet Alarm

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Model: STI 6254
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$38.27
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Safety Technology International Mini Theft Cabinet Alarm

Cabinet alarm helps prevent theft and misuse to cabinet mounted fire extinguishers and other important equipment. Leaves protected equipment accessible when needed. 1-5 dB alarm when activated. Deactivation pin provided for equipment service by authorized personnel.

The Mini Theft Stopper is an inexpensive yet highly effective way to protect fire extinguishers and a wide range of other fire fighting equipment from theft. The device is compact, highly effective, and extremely versatile. It does not interfere with fire fighting in any way. Also, the simplicity of design contributes to its high degree of reliability.

Key Features

  • Highly Visible “Stop Sign” Design – Discourages wrongful use of fire extinguishers.
  • Powerful 105 dB Alarm – Activates upon unauthorized access, drawing immediate attention.
  • Deactivation Pin & Cable – Allows authorized personnel to disable the alarm for maintenance.
  • Easy Installation – Includes all necessary screws and anchors for quick setup.
  • Automatic Reset – Resets automatically after three minutes upon activation.
  • Does Not Interfere with Lifesaving Operations – Ensures emergency response remains unaffected.
  • Durable ABS Construction – Tough, impact-resistant housing for long-lasting use.
  • Self-Contained Power Source – Operates on a 9V alkaline battery (included).
  • Recommended Operational Range – Functions in temperatures from 32° to 120°F (0° to 49°C).
  • Versatile Mounting Options – Can be installed next to an extinguisher or inside a cabinet.
  • Color: Red.

This fire extinguisher alarm is a highly effective and easy-to-install solution for preventing theft and misuse, making it ideal for commercial buildings, schools, hospitals, and public spaces.

Dimension

Model No Height Width Depth
STI 6254 3.5" 3.5" 1"
STI 6255 5.3" 1.7" 3.8"

Product Specs

Sound Emission:
105 dB
Product Functions:
Alarm
Product Line:
Theft Stopper
Product Name:
Cabinet Alarm
Product Type:
Mini Theft Cabinet Alarm
Connectivity Technology:
Wired
Alarm Type:
Audible
Durability:
UV Resistant
Thickness:
11"
Product Group:
Safety
Product Subgroup:
Cabinets & Enclosures
Department:
Safety
Product Color:
Red
Product Material:
Polycarbonate

Safety Technology International STI 6254 – Frequently Asked Questions

1) Will the STI Mini Theft Stopper fit inside a fire extinguisher cabinet?
The STI 6254 Mini Theft Stopper measures 3.5 inches high by 3.5 inches wide by 1 inch deep, so it takes up very little room inside a cabinet. There is also a 5.3 inch high by 1.7 inch wide by 3.8 inch deep version if the flat square shape does not suit the cabinet interior. Both mount either inside a cabinet or on the wall beside a surface-mounted extinguisher.
2) Does a theft alarm on a fire extinguisher slow down anyone who actually needs it in an emergency?
No. The Mini Theft Stopper leaves the extinguisher fully accessible at all times, it only sounds when the equipment is moved. Nothing has to be unlocked, unlatched, or keyed open first, so an occupant or firefighter grabs the extinguisher exactly as they would without it. That is what separates this from a locking cabinet, and it is why it can go on extinguishers in schools, hospitals, and public corridors where a lock would be a code problem.
3) How does maintenance service the extinguisher without setting off the STI alarm?
A deactivation pin and cable ship with the unit. Authorized personnel insert the pin to disable the alarm for annual inspection, recharge, or replacement, then pull it back out to rearm. Worth handing one pin to your service contractor and keeping one with the building keys, since without it every scheduled extinguisher check turns into a 105 dB event.
4) Does the Mini Theft Stopper need to be wired to a panel or an outlet?
No wiring to a panel or outlet. The Theft Stopper is self-contained on a 9V alkaline battery, which is included, so it goes up anywhere you have an extinguisher without pulling power. For a property manager standardizing across a portfolio, that means no electrician on the install and no coordination with the fire alarm system, it is a standalone local sounder.
5) Can the STI Theft Stopper go in an unheated parking garage or an outdoor covered walkway?
The recommended operational range is 32 to 120 degrees F (0 to 49 degrees C), so an unheated garage in a cold climate can drop below what the unit is rated to work in. The housing is UV resistant impact ABS, which handles sun exposure on a covered exterior walkway, but temperature is the limit to check, not the material. Conditioned interior spaces, warehouses, and southern-climate garages are inside the range.
6) How loud is the STI Mini Theft Stopper alarm?
105 dB, loud enough to be heard down a corridor or across a lobby and to draw staff attention immediately when someone pulls the extinguisher. That is the point of the device: it does not lock anything down, it makes unauthorized removal impossible to do quietly.
7) What is included with the STI Mini Theft Stopper, and do I need to buy anything else to mount it?
Screws and anchors come in the box, along with the 9V alkaline battery and the deactivation pin and cable. Nothing else is required for a standard wall or cabinet mount. Budget only for replacement 9V batteries on your PM schedule.
8) Does the alarm have to be reset by hand after someone trips it?
It resets itself. After activation the Theft Stopper runs for three minutes and then automatically resets, so nobody has to go out to the unit with a key or a tool after a false trip or a prank pull. For a facility with dozens of extinguishers spread over several buildings, that is the difference between a nuisance and a service call.
9) Should I use a theft alarm or a locking extinguisher cabinet to stop extinguisher theft?
They solve the problem two different ways. A locking cabinet physically prevents removal but puts a barrier between an occupant and the extinguisher, and it needs a break-glass or key arrangement to stay usable in an emergency. The Mini Theft Stopper does the opposite: the extinguisher stays open and grabbable, and the deterrent is the visible red stop sign face plus a 105 dB alarm the moment it is taken. In corridors, schools, and public spaces where nothing may obstruct access to the extinguisher, the alarm is the approach that does not create an access problem. Where the risk is a determined thief in an unsupervised area rather than casual misuse, a cabinet is the stronger physical answer.
10) What is the difference between the STI 6254 and the STI 6255 Theft Stopper?
Shape and footprint. The 6254 is the flat square unit at 3.5 x 3.5 x 1 inches, which suits a shallow cabinet or a flat wall surface beside an extinguisher. The 6255 is the taller narrow unit at 5.3 x 1.7 x 3.8 inches, which fits where you have vertical room but little width. The alarm function, the red stop sign face, and the deactivation pin arrangement are the same on both; pick on the space you have to mount into.
11) Can the Theft Stopper protect something other than a fire extinguisher, like an AED or a pull station?
Yes. The Theft Stopper is built to guard cabinet-mounted fire extinguishers, but it works on a wide range of other fire fighting and emergency equipment where the problem is theft or casual misuse rather than access control. It is a self-contained audible alarm triggered by removal of the protected item, so anything mounted in or beside a cabinet is a candidate. Mount it inside the cabinet or directly next to the equipment.
How fast can I get the Safety Technology International STI 6254 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Safety Technology International STI 6254 come with a warranty?
Absolutely. The Safety Technology International STI 6254 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Safety Technology International STI 6254?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Safety Technology International STI 6254 from ZenSupply?
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