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STI has over 1000 push buttons?

Buttons & Switches


STI Products Work!
Our STI Stopper II units have prevented after–school activity kids from pulling false fire alarms. If kids attempt to open the cover, the warning horn stops them from any further attempts.

Robert Finnen
Director Buildings and Grounds
Susquenita School District

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  Fire Products Alarms & Chimes Polycarbonate Covers Wire Guards Buttons and Switches Home & Work Products  

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

Environmental Enclosure

Heated Type 4 Polycarbonate Enclosure

    • Protect devices in exposed environments
    • Can be used in unheated warehouses,
      storage units, freezers, etc.
    • Designed to operate on 12, 16.5 or 24 volts
    • Has three thermostats
    • Constructed of super tough, clear

    • Find out more

1000's of Push

Stopper® Station Push Button Switches
SS-2000 Series

    • Standard and custom models available
    • Multipurpose push buttons cover a
      wide range of applications
    • Button housing available in red, green,
      yellow, white or blue
    • A choice of function and a variety of
      contact arrangements offered
    • Many protective covers available

    • Find out more

Help Stop

Exit Stopper® Multifunction Door Alarm

    • Helps stop unauthorized exits and entries
      of fire or emergency doors
    • Helps increase workplace security
    • Alerts 95/105 dB alarm if protected door
      is opened
    • Can help stop theft
    • For indoor use only
    • Wireless models available

    • Find out more

Protection for
Mini Smoke

Steel Web Stopper®

    • Protects against vandalism and damage
    • Constructed of 9-gauge coated steel wire
    • Fast and easy installation
    • Simple removal for servicing detector
    • Three year guarantee against breakage in
      normal use

    • learn more