STI products
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Add to Cart The item has been addedSTI STI-V34104 4-Channel Voice Receiver
4-channel voice receiver for multi-door access control systems
- Manages voice communication across 4 discrete channels for multi-door deployments.
- Runs on 12VDC via STI-34105 jack-type power supply for straightforward wiring.
- Wall-mount form factor suits access control and intercom integration at entry points.
Usually Ships in 2-3 Weeks Free shipping over $499$126.90 $125.99 Save $0.91 -
Add to Cart The item has been addedSTI STI-TSTAT543F Dual Thermostat Fan Control & Alarm
Dual-zone thermostat with fan control and alarm for equipment enclosures
- Monitors two independent temperature zones with separate fan control outputs on 9VDC.
- Alarm signaling channels alert on thermal drift before equipment shutdown occurs.
- Wall-mount form factor fits directly inside equipment cabinets for accurate zone sensing.
Usually Ships in 2-3 Weeks Free shipping over $499$124.99 -
Save $0.69
Add to Cart The item has been addedSTI STI-TSTAT520F Single Thermostat Heater Control
Single thermostat heater control unit designed for temperature management in access control and security system installations
- Operates at 9V DC, integrating cleanly into low-voltage access control systems.
- Outdoor-rated for reliable thermal regulation in exposed enclosure deployments.
- Protects door strikes and electronic locks from temperature-induced failures.
Usually Ships in 2-3 Weeks Free shipping over $499$82.68 $81.99 Save $0.69 -
Save $0.87
Add to Cart The item has been addedSTI STI-SA5600-R Select-Alert Siren/Strobe Controller
TCP/IP controller for Select-Alert siren and strobe systems, 32 concurrent users
- Coordinates up to 32 concurrent users across Select-Alert siren and strobe zones.
- Built-in tamper detection outputs N.C. 12VDC dry contact signal when unit is removed.
- TCP/IP communication and 9VDC operation simplify network integration and power planning.
Usually Ships in 2-3 Weeks Free shipping over $499$79.86 $78.99 Save $0.87 -
Save $0.87
Add to Cart The item has been addedSTI STI-SA5600-G Select-Alert Siren/Strobe Controller
TCP/IP siren/strobe controller for up to 32 concurrent users
- Manages up to 32 concurrent users via TCP/IP for centralized audio-visual alarm control.
- Tamper detection via N.C. 12VDC, 50mA dry contact triggers alert on wall removal.
- Operates at 9VDC across 32°F–120°F, compatible exclusively with Select-Alert systems.
Usually Ships in 2-3 Weeks Free shipping over $499$79.86 $78.99 Save $0.87 -
Save $0.87
Add to Cart The item has been addedSTI STI-SA5600-A Select-Alert Siren/Strobe Controller
Dedicated siren and strobe controller that centralizes alarm signal output in access control and emergency alerting systems
- Centralizes audible and visual alert control on 9VDC for streamlined cabinet integration.
- Built-in tamper switch triggers immediate alert when unit is removed from its mount.
- 32 selectable siren tones with independent strobe and siren timing for flexible signaling.
Usually Ships in 2-3 Weeks Free shipping over $499$79.86 $78.99 Save $0.87 -
Save $0.79
Add to Cart The item has been addedSTI STI-SA5500-W Select-Alert Siren/Strobe Controller
Dedicated siren and strobe notification controller for access control and alarm systems requiring audible and visual alerts
- 32 selectable siren tones at 100 dB or 85 dB suit varied alert-level requirements.
- Dry contact Form C relay output integrates with any panel without proprietary protocol.
- Built-in tamper switch triggers on wall removal, protecting unsupervised installations.
Usually Ships in 2-3 Weeks Free shipping over $499$83.78 $82.99 Save $0.79 -
Save $0.79
Add to Cart The item has been addedSTI STI-SA5500-R Select-Alert Siren/Strobe - Round Red
Compact alert controller built to signal emergencies and breaches across secured spaces — warehouses, server rooms, manufacturing floors
- 32 selectable tones let you assign distinct alarm patterns per threat zone without rewiring.
- Form C dry relay output (12VDC, 50mA) integrates with any access control panel or notification gateway.
- Runs on 9VDC battery or external 12–24V supply, keeping alarm load off your panel's power budget.
Usually Ships in 2-3 Weeks Free shipping over $499$83.78 $82.99 Save $0.79 -
Save $0.79
Add to Cart The item has been addedSTI STI-SA5500-G Select-Alert Siren/Strobe Controller
Dedicated siren and strobe controller designed to manage audible and visual alert signals in access control and emergency notification systems
- Supports up to 32 users with 32 selectable tones at 100 dB or 85 dB output.
- Independent siren/strobe timing (15s, 30s, 60s, or continuous) reduces alarm fatigue.
- Form C dry relay contact (12VDC, 50mA) integrates with door strikes and aux relays.
Usually Ships in 2-3 Weeks Free shipping over $499$83.78 $82.99 Save $0.79 -
Save $0.79
Add to Cart The item has been addedSTI STI-SA5500-C Select-Alert Siren/Strobe Controller
Networked siren/strobe controller with dual protocols for access alerts
- Drives siren and strobe independently via TCP/IP or RS-232 for flexible alert zoning.
- Accepts 9VDC battery or 12–24VDC external supply, supporting diverse power infrastructures.
- Tamper switch (N.C. dry contact, 12VDC/50mA) triggers timed alerts at 15, 30, or 60 seconds.
Usually Ships in 2-3 Weeks Free shipping over $499$83.78 $82.99 Save $0.79 -
Save $0.79
Add to Cart The item has been addedSTI STI-SA5500-A Select-Alert Siren/Strobe Controller
Dedicated siren and strobe controller for centralizing audible and visual alerts across multi-door access control installations
- Centralizes siren and strobe outputs across multi-door installs on a single 9VDC unit.
- 32 selectable alert tones with independent siren/strobe timing simplify zone notification design.
- Tamper switch (N.C. 12VDC, 50mA dry contact) triggers an alert on physical wall removal.
Usually Ships in 2-3 Weeks Free shipping over $499$83.78 $82.99 Save $0.79 -
Save $0.44
Add to Cart The item has been addedSTI STI-SA5000-R Select-Alert Mini Controller
Compact alert controller for access control and security cabinet applications
- 32 selectable tones at 85 dB or 100 dB lets you match output to ambient noise level.
- Form C dry relay output (12 VDC, 50 mA, N.C.) integrates with existing access control inputs.
- Built-in tamper switch triggers alert on removal, protecting against cabinet or wall-mount theft.
Usually Ships in 2-3 Weeks Free shipping over $499$90.43 $89.99 Save $0.44 -
Save $0.44
Add to Cart The item has been addedSTI STI-SA5000-A Select-Alert Mini Controller
Compact alert controller for small access control installations where you need visual and audible notification tied to door or cabinet events
- Selectable 100 or 85 dB siren with 10 high-intensity LEDs in five color options.
- Runs on 9V battery or 12–24V external power, enabling flexible cabinet or door installs.
- Form C dry relay (N.C., 12VDC/50mA) integrates with any dry-contact access control system.
Usually Ships in 2-3 Weeks Free shipping over $499$90.43 $89.99 Save $0.44 -
Save $0.87
Add to Cart The item has been addedSTI Quickstop Fire Sprinkler Tool - STI-QT
Reusable manual shut-off tool designed to stop water flow from fire sprinkler heads without deactivating the entire system
- Stops water flow on ½" and ¾" sprinkler heads without shutting down the full system.
- Rated to 350 PSI (2400 kPa), compatible with standard municipal and commercial system pressures.
- Works on intact, damaged, sheared, and recessed heads — covers emergency and retrofit scenarios.
Usually Ships in 2-3 Weeks Free shipping over $499$162.86 $161.99 Save $0.87 -
Save $0.41
Add to Cart The item has been addedSTI STI-PMK1824 EnviroArmour Pole Mount Bracket Kit
Pole mount bracket kit designed for 9VDC strike systems in access control installations where the strike must be mounted to an exterior pole rather
- Designed for 9VDC strike systems, enabling direct integration with standard access control circuits.
- EnviroArmour enclosure shields strike hardware from rain, UV exposure, and temperature cycling outdoors.
- Fixed pole-mount footprint supports aluminum, steel, or composite poles in exterior installations.
Usually Ships in 2-3 Weeks Free shipping over $499$103.40 $102.99 Save $0.41 -
Save $0.66
Add to Cart The item has been addedSTI STI-PMK1012 EnviroArmour Pole Mount Bracket Kit
Pole mount bracket kit engineered for door access control strike installations where the strike mechanism must be secured to a pole-mounted frame
- Pole mount design supports strike installations on glass doors and wide openings.
- Operates at 9VDC, integrating directly with standard electromagnetic strike systems.
- External pole bracing eliminates surface-mount dependency on door frame geometry.
Usually Ships in 2-3 Weeks Free shipping over $499$91.65 $90.99 Save $0.66 -
Save $0.26
Add to Cart The item has been addedSTI STI-PMK0608 EnviroArmour® Pole Mount Bracket Kit
Pole mount bracket assembly designed for outdoor access control reader deployment
- Mounts credential readers to poles ≥2-inch diameter without wall junction boxes.
- Rated for outdoor environments, supporting perimeter and parking lot deployments.
- Operates at 9VDC, integrating with STI access control and compatible third-party readers.
Usually Ships in 2-3 Weeks Free shipping over $499$82.25 $81.99 Save $0.26 -
Save $0.80
Add to Cart The item has been addedSTI 14 Gauge Backplate for STI-EM151804 - STI-MBP1316
14 gauge steel backplate engineered to provide structural support and a secure mounting surface for STI electric strike installations
- 14-gauge steel construction resists flex under repeated latch cycles.
- Engineered specifically for STI-EM151804 electric strikes at 9VDC operation.
- Rigid mounting platform maintains strike-to-latch alignment in metal or wood frames.
Usually Ships in 2-3 Weeks Free shipping over $499$26.79 $25.99 Save $0.80 -
Save $0.45
Add to Cart The item has been addedSTI STI-MBP0913 14 Gauge Backplate for STI-EM111504
14 gauge steel backplate engineered as a replacement mounting component for the STI-EM111504 electric strike
- 14-gauge steel construction provides structural rigidity for reliable strike alignment.
- Designed exclusively for the STI-EM111504, ensuring correct fit without frame rework.
- Operates at 9VDC, compatible with standard access control panel power supplies.
Usually Ships in 2-3 Weeks Free shipping over $499$24.44 $23.99 Save $0.45 -
Save $0.83
Add to Cart The item has been addedSTI STI-MBP0506 14 Gauge Backplate
14 gauge steel backplate engineered to reinforce and stabilize STI electromechanical strike installations at the door frame
- 14-gauge steel construction resists frame flex under repeated door impact loads.
- Compatible with STI-EM07123.5 and STI-EM08073.5 electromechanical strike families.
- Four fixing holes align precisely to strike unit; supports masonry and timber frames.
Usually Ships in 2-3 Weeks Free shipping over $499$19.82 $18.99 Save $0.83
