STI · KIT-H18062

STI Two Extra Keys for Stopper® Station - KIT-H18062

• Supplies two mechanical replacement keys for Stopper Station key-to-activate switches.
• Supports 9VDC Stopper and Stopper II installations with no hardware modification required.
• Enables independent key distribution across multiple authorized personnel at a single site.

STI · STI-7520-OW

STI Type 4X Protective Cabinet with Backplate and - STI-7520-OW

Polycarbonate protective cabinet designed to shield access control readers, keypads, and credential devices in environments where vandalism

• Type 4X polycarbonate housing rated for −40°C to 121°C suits outdoor deployments.
• Key lock access restricts cabinet opening to authorized service personnel only.
• Included backplate and tamper-proof fasteners enable quick mounting on any flat wall.

STI · STI-7520

STI Type 4X Protective Cabinet with Backplate and Key Lock - Clear

NEMA 4X corrosion-resistant cabinet with key lock for secure equipment access

• IP59-rated enclosure protects access control modules from dust and moisture
• Key lock strike provides mechanical security for credential-based cabinet access
• Wall-mounted design with backplate included for straightforward installation

STI · STI-7521

STI Type 4X Protective Cabinet with Backplate and Thumb Lock - Clear

Type 4X cabinet with clear housing and thumb lock for indoor/outdoor

• Clear polycarbonate lets you see contents while Type 4X rating protects
• Thumb lock mechanism controls access to mounted equipment and components
• Backplate wall mounting suits both indoor and outdoor installation sites

STI · STI-7521-OW

STI Type 4X Protective Cabinet with Backplate and Thumb Lock - White

Type 4X protective cabinet engineered to shield access control hardware from environmental exposure and physical tampering

• Type 4X-rated enclosure protects access control hardware from environmental exposure.
• Thumb lock strike enables straightforward manual access without tools or key hardware.
• Integrated backplate and 3/4" NPT access hole simplify standard rough-in wall mounting.

STI · UB-1

STI UB-1 Universal Button Magnetic Strike

30VDC magnetic strike with universal push-button activation for access control

• Operates at 30VDC, compatible with any control panel that drives a relay output.
• Ships with three illuminated push buttons and five swappable button message inserts.
• Supports both fail-safe and fail-secure wiring modes via control circuit termination.

STI · UB-1PN

STI UB-1PN Universal Pneumatic Button

Wired pneumatic button for magnetic locks, TCP/IP and RS-232 control

• Operates at 30VDC, compatible with standard commercial access control power supplies.
• TCP/IP and RS-232 dual protocol support integrates with modern and legacy control systems.
• Hard-wired design eliminates RF interference risk in congested industrial environments.

STI · UB-2

STI UB-2 2" Universal Button

2" push button for 30VDC magnetic lock door access control

• Operates on 12–24 VAC/VDC auxiliary power, fitting existing door control infrastructure.
• Dual contact sets (NC, NO/COM) support both fail-safe and fail-secure wiring configurations.
• Includes three push buttons and five messages, enabling on-site label customization without extras.

STI · UB-2-LTUL

STI UB-2-LTUL 2" Universal Button with Latching Timer

2" NFC button reader with latching timer relay for 30VDC magnetic strikes

• 2-inch universal push button with latching timer relay logic
• 12-24 VAC/VDC operation triggers magnetic lock strike release
• Wired relay output drops into standard access control hardware

STI · UB-2PN

STI UB-2PN 2" Universal Pneumatic Button

2" pneumatic button with magnetic strike control at 30VDC

• Operates at 30VDC with NO/NC dual contact sets for flexible panel wiring integration.
• Supports both fail-safe and fail-secure wiring modes to match site lock logic requirements.
• Mounts with two included #6-32 x 5/16" screws; compatible with 12–24 VAC/VDC supply systems.

STI · STI-13020FR

STI Universal Stopper - Flush Mount with Sounder, ACTIVATE FIRE ALA...

Flush-mount fire alarm stopper with integrated sounder, 24VDC

• 24VDC operation integrates with standard fire alarm and access control systems
• Integrated sounder delivers audio notification at point of egress control
• Flush-mount design fits discrete installation in door frame applications

STI · STI-14420FR

STI Universal Stopper® Low Profile Horn Enclosed - STI-14420FR

Low-profile protective stopper designed to shield emergency intercommunication devices, fire alarm stations, emergency buttons, keypads, and access

• Polycarbonate enclosure shields intercoms and access control gear from vandalism.
• Operates on 24VDC with integrated horn and optional relay output for signaling.
• Sealed back box with ¾-inch conduit knockouts supports interior and exterior installs.

STI · STI-14220FR

STI Universal Stopper® Low Profile Horn Surface - STI-14220FR

Low-profile, surface-mount protective stopper unit designed to shield manual fire alarm stations, intercoms, emergency buttons, and access control

• Surface-mount install requires no cavity prep, reducing labor time on retrofits.
• Runs on 24V DC, integrating directly with standard access control and intercom systems.
• UV-stabilized polycarbonate dome protects fire alarm stations from vandalism and impact.

STI · STI-14000NC

STI Universal Stopper® Low Profile without Horn - STI-14000NC

Low-profile, flush-mount protective housing for door entry intercoms and access control stations

• UV-stabilized polycarbonate dome shields intercoms and keypads indoors and outdoors.
• Runs directly on 24VDC, eliminating separate power conditioning in standard deployments.
• Hinged clear cover with mechanical latch enables fast access while maintaining protection.

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.

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.

STI · STI-14200NC

STI Universal Stopper® Low Profile without Horn - STI-14200NC

Low-profile Universal Stopper protective housing for surface-mount intercom stations, emergency buttons, numeric keypads, and fire alarm pull stations

• Heavy-gauge polycarbonate housing protects surface-mount devices indoors and outdoors.
• Operates at 24VDC, integrating directly with standard access control and intercom infrastructure.
• Universal fit covers fire alarm pull stations, keypads, intercoms, and emergency buttons.

STI · STI-14310FR

STI Universal Stopper® Low Profile without Horn - STI-14310FR

Low-profile dome-shaped protective enclosure for intercom stations, emergency buttons, and access control keypads

• Polycarbonate dome enclosure shields keypads and intercom stations from vandalism.
• Supports surface-mount and semi-recessed flush installation for flexible deployment.
• Threaded top/bottom ports accept 3/4-inch Sch 40 rigid conduit; operates at 24VDC.

STI · STI-14400NB

STI Universal Stopper® Low Profile without Horn - STI-14400NB

Low-profile polycarbonate protective housing engineered to shield intercoms, keypads, emergency buttons, and fire alarm stations from vandalism

• UV-stabilized polycarbonate housing protects intercoms and keypads indoors or outdoors.
• Runs on 24VDC, drawing from existing access control infrastructure—no separate supply needed.
• Low-profile ADA-compliant design suits retrofit installs where space and code compliance are critical.

STI · STI-14200NY

STI Universal Stopper® Low Profile without Horn Housing, Surface Mo...

Low-profile surface-mount intercom stopper for 24VDC access control

• Surface-mount installation on door frames without recessed cavity needs
• 24VDC operation integrates into existing access control infrastructure
• Low-profile design maintains discreet appearance in security deployments

STI · STI-14510FR

STI Universal Stopper® Low Profile, Enclosed Back Box, Open Mountin...

Low-profile intercom, flush or surface mount, 24VDC, IP56 weather rated

• Compact dome design fits tight spaces without projecting from wall surface
• Enclosed back box shields wiring and connections from weather and impact
• 24VDC operation integrates directly into access control and intercom systems

STI · STI-14020FR

STI Universal Stopper® Low Profile, Horn, Flush, Fire Label

Low-profile flush intercom with integrated horn and fire-rated label

• 24VDC operation with integrated horn for audible emergency alerts
• Flush-mount design fits doorway and access control installations
• Fire-rated label meets life-safety notification requirements

STI · STI-14220FR-FR

STI Universal Stopper® Low Profile, Horn, Surface Mount, Fire Label...

Low-profile TCP/IP intercom with horn speaker and fire rating

• Surface-mount design fits tight spaces at entry points and gates
• 24VDC operation with TCP/IP networking for access control systems
• Horn audio output with fire label for emergency communication areas

STI · STI-14300NC

STI Universal Stopper® Low Profile, with Backplate for Flush Device...

Low-profile flush-mount intercom stopper for universal access systems

• 24VDC operation with included backplate for seamless flush installation
• IP56-rated dome design fits compact spaces without protruding
• Compatible with standard universal stopper intercom infrastructure

STI · STI-14020CR

STI Universal Stopper® Low Profile, with Horn, Flush, Custom Label

Flush-mount intercom with integrated horn and custom labeling for access control

• 24VDC low-profile design fits compact mounting spaces in security systems
• Integrated horn operation for two-way communication without external amplifier
• Custom label support enables site-specific identification and wayfinding

STI · STI-14410FR

STI Universal Stopper® Low Profile, without Horn, Enclosed Back Box...

Low-profile intercom stopper, 24VDC, enclosed box, horn-optional

• Compact dome mount fits door or wall without surface protrusion
• 24VDC operation integrates with standard access control infrastructure
• Enclosed back box design protects components, horn sold separately

STI · STI-14210FR

STI Universal Stopper® Low Profile, without Horn, Surface Mount, Fi...

Low-profile surface mount intercom for secure entry, 24VDC, no horn

• Surface mount dome design fits tight spaces at entry points
• 24VDC operation integrates with existing access control systems
• IP56 rating handles indoor and covered outdoor installations

STI · STI-14210NB

STI Universal Stopper® Low Profile, without Horn, Surface Mount, No...

Low-profile surface-mount intercom, 24VDC, no horn

• Surface-mount installation fits standard walls without recessed cavities
• 24VDC operation integrates with existing access control infrastructure
• Low-profile design minimizes visual impact in commercial entry points

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.

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.

STI · STI-13030FR

STI Universal Stopper® with Horn & Relay, Flush, Fire Label

Flush fire-rated stopper with horn, relay, and door hold-open at 24VDC

• Integrated horn and relay trigger audible alerts with electrical switching for access control
• Fire-labeled design with low-profile dome mount for standard door frame installation
• 24VDC operation with door hold-open functionality for emergency egress compliance

STI · STI-13230CY

STI Universal Stopper® with Horn & Relay, Surface Mount, Custom Label

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

STI · STI-13520FR

STI Universal Stopper® with Horn 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.

STI · STI-13220NR

STI Universal Stopper® with Horn Surface Mount No - STI-13220NR

Surface-mounted universal stopper combining physical button actuation with integrated audible notification

• Operates at 24VDC with integrated 105dB horn for immediate audible tamper alerts.
• UV-stabilized polycarbonate housing suits indoor and outdoor surface-mount installs.
• Accepts ¾-inch rigid conduit top and bottom; ADA-compliant low-profile form factor.

STI · STI-13420FR

STI Universal Stopper® with Horn, Enclosed Back Box, Sealed Mounti...

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

STI · STI-13020FR-FR

STI Universal Stopper® with Horn, Flush, Fire Label, French

Flush dome intercom with integrated horn and fire label, French

• TCP/IP networked emergency communication for modern building systems
• 24VDC operation integrates with access control and intercom infrastructure
• ADA-compliant with IP56 rating for indoor/outdoor emergency stations