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  • Save $0.09
    STI Universal Stopper® Low Profile without Horn - STI-14010NY
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    STI STI-14010NY

    STI Universal Stopper® Low Profile without Horn - STI-14010NY

    Low-profile, flush-mount protective enclosure designed to guard door intercoms, keypads, emergency buttons, and communication devices in both indoor

    • Flush-mount polycarbonate enclosure protects intercoms and keypads in indoor/outdoor use.
    • Runs on 24VDC with relay output supporting 12–24VDC switching logic for access control integration.
    • No-horn, no-label configuration suits deployments where alarms are managed by separate system components.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $74.08 $73.99 Save $0.09
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  • Save $0.69
    STI Universal Stopper® Low Profile without Horn - STI-14010FR
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    STI STI-14010FR

    STI Universal Stopper® Low Profile without Horn - STI-14010FR

    Low-profile, flush-mount protective stopper designed for fire-rated manual alarm stations, emergency intercommunication points, and access control

    • Fire-rated label meets life-safety compliance for regulated facility deployments.
    • Runs on 24VDC, integrating directly with standard access control power supplies.
    • Horn-free design suits sites where audio is centrally managed or aesthetics are critical.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $67.68 $66.99 Save $0.69
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  • Save $0.86
    STI Universal Stopper® with Horn Enclosed Back Box - STI-13520FR
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    STI STI-13520FR

    STI Stopper Enclosed Back Box - STI-13520FR

    Universal stopper intercom unit combining door retention with integrated horn and two-way communication capability

    • Runs on 24VDC, integrating directly into standard access control panel infrastructure.
    • Combines door retention, horn notification, and two-way audio at a single mount point.
    • Enclosed back box shields terminals, reducing termination complexity during rough-in.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $219.85 $218.99 Save $0.86
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  • Save $0.73
    STI Universal Stopper® without Horn, Enclosed Back Box, Open Mount...
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    STI STI-13510FR

    STI 13510FR Stopper - Enclosed Back Box

    24VDC intercom without horn, enclosed box, open mount dome profile

    • Open mount design with dome low-profile option for standard access control frames
    • Enclosed back box configuration rated IP56 for protected outdoor/indoor installations
    • 24VDC operation integrates into existing door access and intercom systems
    Usually Ships in 2-3 Weeks Free shipping over $499
    $151.72 $150.99 Save $0.73
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  • Save $0.15
    STI Universal Stopper® without Horn Housing, Enclosed Back Box, Op... (view 2)
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    STI STI-13500NB

    STI Universal Stopper® without Horn Housing, Enclosed Back Box, Op...

    24VDC intercom for entry gates and access points, no horn housing

    • Enclosed back box design protects wiring and components at installation
    • 24VDC powered operation integrates into standard access control systems
    • IP54 rated for reliable performance in outdoor and semi-exposed locations
    Usually Ships in 2-3 Weeks Free shipping over $499
    $143.14 $142.99 Save $0.15
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  • Save $0.86
    STI Universal Stopper® with Horn, Enclosed Back Box, Sealed Mounti... STI-13420FR
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    STI STI-13420FR

    STI 13420FR Stopper Horn

    Intercom with integrated horn, 24VDC dome mount, weatherproof sealed box

    • Dual communication and alarm—voice intercom paired with horn signaling
    • IP56 weatherproof enclosure handles outdoor mounting in harsh conditions
    • 24VDC powered; integrates directly with access control infrastructure
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $0.73
    STI Universal Stopper® without Horn, Enclosed Back Box, Sealed Mou...
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    STI STI-13410FR

    STI Universal Stopper® without Horn, Enclosed Back Box, Sealed Mou...

    24VDC intercom for access control without horn output

    • Dome low-profile mount with enclosed back box and sealed housing
    • IP56-rated sealed mount prevents environmental contamination
    • Integrates into standard access control and entry communication systems
    Usually Ships in 2-3 Weeks Free shipping over $499
    $151.72 $150.99 Save $0.73
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  • Save $0.15
    STI Universal Stopper® without Horn Housing, Enclosed Back Box, Sea...
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    STI STI-13400NB

    STI Universal Stopper® without Horn Housing, Enclosed Back Box, Sea...

    Compact 24VDC intercom for STI access control systems

    • Enclosed back box design fits recessed or wall-mounted installations
    • 24VDC operation integrates into standard security infrastructure
    • IP54-rated for use at entry points and facility access checkpoints
    Usually Ships in 2-3 Weeks Free shipping over $499
    $143.14 $142.99 Save $0.15
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  • Save $0.07
    STI Universal Stopper® without Horn Encl. Flush - STI-13310FR
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    STI STI-13310FR

    STI Universal Stopper® without Horn Encl. Flush - STI-13310FR

    Flush-back-box protective enclosure designed to shield manual fire alarm stations, emergency call stations, intercoms, keypads, and other access

    • Flush back box mounts recessed into wall for a low-profile, ADA-compliant install.
    • UV-stabilized polycarbonate dome keeps protected devices visible without yellowing.
    • Runs on 24V DC, integrating directly with standard access control power supplies.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $115.06 $114.99 Save $0.07
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  • Save $0.30
    STI STI-1331 Universal Stopper® Electric Strike (view 3)
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    STI STI-1331

    STI STI-1331 Universal Stopper® Electric Strike

    Universal Stopper® electric strike for retrofit and new access control installations

    • 9VDC operation integrates with standard access control relay systems and battery backup
    • Universal Stopper® design fits multiple door frame types without custom modifications
    • Wall-mount configuration supports both retrofit and new installation deployments
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $0.10
    STI STI-13230NB Universal Stopper® with Horn & Relay, Surface Mount, No Label
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    STI STI-13230NB

    STI Universal Stopper® with Horn & Relay Surface - STI-13230NB

    Surface-mount protective stopper housing that integrates relay and horn functionality into a single compact unit

    • Surface-mount housing protects keypads, intercoms, and alarm stations from vandalism.
    • Operates on 24VDC with relay output accepting 12–24VDC for mixed-voltage installations.
    • UV-stabilized polycarbonate build supports both indoor and outdoor deployment.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $203.09 $202.99 Save $0.10
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  • Save $0.76
    STI Universal Stopper® with Horn & Relay Surface - STI-13230FR
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    STI STI-13230FR

    STI Universal Stopper® with Horn & Relay Surface - STI-13230FR

    Surface-mounted mechanical stopper with integrated 24VDC horn and relay output, designed to secure and audibly signal control of fire alarm stations

    • Integrated 24VDC horn delivers audible alerts without a separate notification device.
    • Relay output supports fire alarm panels, door strikes, and intercom logic at 12–24VDC.
    • Polycarbonate surface-mount cover protects keypads and intercoms from vandalism and weather.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $203.75 $202.99 Save $0.76
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  • Save $0.13
    STI Universal Stopper® with Horn & Relay, Surface Mount, Custom Label (view 2)
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    STI STI-13230CY

    STI 13230CY Stopper Horn Relay

    Surface-mount horn & relay control for STI intercom systems

    • 24VDC integrated horn and relay for audible alerts and automation
    • Surface mount design fits secure entry points and access corridors
    • Custom label support for facility-specific identification and wayfinding
    Usually Ships in 2-3 Weeks Free shipping over $499
    $203.12 $202.99 Save $0.13
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  • Save $0.38
    STI Universal Stopper® without Horn Housing - STI-13200NC
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    STI STI-13200NC

    STI Universal Stopper® without Horn Housing - STI-13200NC

    Surface-mount intercom station, 24VDC, clear dome for access control

    • IP56-rated clear dome enclosure fits door and wall installations discreetly
    • 24VDC operation integrates with STI Universal Stopper system architecture
    • Low-profile design supports retail, commercial, and institutional deployments
    Usually Ships in 2-3 Weeks Free shipping over $499
    $71.37 $70.99 Save $0.38
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  • Save $0.40
    STI STI-1314 Universal Stopper® Backplate
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    STI STI-1314

    STI STI-1314 Universal Stopper® Backplate

    • Provides standardized mounting interface for Universal Stopper® electric strike systems.
    • Operates on 9VDC, simplifying power integration into existing access control infrastructure.
    • Suits commercial and institutional door hardware deployments requiring electric strike control.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $21.39 $20.99 Save $0.40
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  • Save $0.74
    STI STI-13020CB Universal Stopper with Horn Flush Intercom (view 2)
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    STI STI-13020CB

    STI STI-13020CB Universal Stopper with Horn Flush Intercom

    24VDC flush-mount stopper with integrated horn and intercom

    • Universal stopper design fits multiple door frame types and mounting configs
    • Integrated horn and intercom for audible alerts and two-way communication
    • Flush-mount option supports both surface and recessed installation
    Usually Ships in 2-3 Weeks Free shipping over $499
    $136.73 $135.99 Save $0.74
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  • Save $0.50
    STI Universal Stopper® without Horn Housing, Flush, Clear - French (view 2)
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    STI STI-13000NC-FR

    STI 13000NC-FR Stopper Flush Clear

    Flush-mount TCP/IP intercom stopper, 24VDC, clear housing

    • TCP/IP network integration for access control and two-way communication
    • Flush mount design fits discrete installations with low-profile dome form
    • 24VDC powered with IP56 rating for standard security infrastructure
    Usually Ships in 2-3 Weeks Free shipping over $499
    $53.49 $52.99 Save $0.50
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  • Save $0.40
    STI STI-1280 Backplate for Stopper II® and Weather Stopper® series
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    STI STI-1280

    STI Backplate for Stopper II® and Weather Stopper® - STI-1280

    Replacement backplate engineered for STI Stopper II and Weather Stopper series electromechanical locks

    • Runs at 9VDC, integrating directly with standard access control power supplies and battery backup.
    • Compatible with both Stopper II and Weather Stopper II series for interior and exterior deployments.
    • Accommodates weather gasket seal when used with Weather Stopper II, supporting outdoor installations.
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $0.47
    STI STI-1230-ES Stopper II Spacer Spanish Access Control
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    STI STI-1230-ES

    STI Stopper II Espaciador - STI-1230-ES

    Stopper II spacer component designed for STI emergency communication installations where siren functionality is not required

    • Spaces and aligns Stopper II assemblies in wall- or surface-mount enclosures.
    • Spanish labeling supports multi-language facilities and Spanish-speaking deployments.
    • Passive component; no special tools or torque specs required for installation.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $102.46 $101.99 Save $0.47
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  • Save $410.84
    STI Stopper® Dome Heated Enclosure for - STI-1229HTR240-HAZ
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    STI STI-1229HTR240-HAZ

    STI Stopper® Dome Heated Enclosure for - STI-1229HTR240-HAZ

    Type 4X heated protective dome enclosure sized for strobe-only warning appliances in hazardous or harsh outdoor environments

    • 240V heating element prevents frost and condensation, maintaining strobe visibility in freezing conditions.
    • Type 4X NEMA rating seals against outdoor moisture, dust, and environmental exposure.
    • Fits AMSECO SL24W-153075 strobe pattern; mounts via six #8-32 socket cap screws to solid backing.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,052.83 $641.99 Save $410.84
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