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Testimonials


STI Products Work!
We recommended the installation of an STI Stopper II cover over a manual pull station at an exit of the public library-thereby preventing false fire alarms caused by younger children.

Ed Geidel
Captain
West Bend Fire Department

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About STI

False fire alarms and the theft and vandalism of protection devices can be a serious issue, compromising safety as well as costing money.

STI has been producing safety technologies that stop false fire alarms and prevent theft and vandalism for thirty years. We now market more than 1000 products worldwide. Our range includes fire alarms protection devices, stopper covers and enclosures, wire guard protectors and security protection products.

Contact us now to discuss how we can solve your specific problems.

STI Stopper II

Easily Connect
to Control Panel


Wireless Universal Alert with
Single Channel Slave Receiver


    • Know when a monitored site is tripped
    • Small sized receiver works in conjunction
      with a control panel
    • Has a Form “C” contact which enables the
      device to interconnect with another system
    • Operates up to 1000’ (line of sight)
    • Form “C” relay
    • 12 VDC operation
    • Momentary or latching
    • More information

Exit Button with
Alarmed Shield


SS-21A4EX


    • Protective shield helps prevent accidental
      activation, yet allows legitimate button use
    • Local alarm sounds when cover is lifted,
      drawing immediate attention to the area
    • Momentary Mushroom button has
      “EMERGENCY EXIT” label
    • When activated, button will perform
      designated action (i.e. open door)


    • More information

Connect to
Control Panel


Wireless Driveway Monitor
with Single Channel Slave Receiver


    • Know when someone enters or leaves
      the driveway
    • Small sized receiver works in conjunction
      with a control panel
    • Receiver's Form “C” contact enables the
      device to interconnect with another system
    • Operates up to 1000’ (line of sight)
    • Form “C” relay, 12 VDC operation
    • Momentary or latching


    • More information

Covers Come
Full Circle


Single-Gang Protective Cover
STI-6519


    • Mounts directly through product mounting
      plate to an electrical box
    • Included mounting frame eliminates the need to drill
      additional holes in the wall
    • Brother to the Bopper Stopper®
    • Hinged cover takes hard knocks in stride while
      helping to protect smaller-sized electrical units

    • Find out more