STI

SKU: EM243608A1

STI Metal Protective Cabinet with AC/Heater - - EM243608A1

• UL Type 4 rated metal enclosure guards electronics from dust, moisture, and vandalism.
• Integrated AC and heater maintains safe operating temps in harsh or exposed environments.
• Protects internal equipment up to 21″ L × 33″ H × 6″ D with horizontal wall mount.

STI

SKU: KIT-7500-HTR

STI Replacement Heater for STI-7510 and STI-7511 series

Direct replacement heater for STI-7510 and STI-7511 locks

• 9VDC wired heating element for temperature-sensitive access control
• Integrates with TCP/IP and RS-232 control systems
• Wall-mount design for straightforward installation and replacement

STI

SKU: KIT-7520-HTR

STI Replacement Heater Plate for STI-7520-HTR and - KIT-7520-HTR

• Replaces heater element in STI-7520-HTR and STI-7521-HTR strikes without full assembly swap.
• Operates at 9V DC, matching existing strike circuit power — no voltage conversion needed.
• Sealed plate geometry eliminates thermal dead zones that cause inconsistent latch engagement.

STI

SKU: STI-6580

STI STI-6580 12-Volt Heater Kit

9VDC heater for STI locks & strikes in cold climates

• 9VDC operation integrates with standard access control power rails
• Compact retrofit design fits existing strike box housings
• Prevents frost buildup in solenoid cavities and striker plungers

STI

SKU: STI-6583

STI STI-6583 24-Volt Heater Kit

• Runs on 24VDC to integrate directly with standard access control panel aux outputs.
• Prevents solenoid lag and mechanical binding in strikes exposed to cold environments.
• Stainless steel construction suits corrosive outdoor and loading dock deployments.

STI

SKU: STI-HTR030T

STI STI-HTR030T Mini-Radiant Heater with Thermostat

• Mini radiant heater with thermostat for outdoor access housings
• Prevents frost and condensation on outdoor lock and reader hardware
• 9VDC operation - drops into standard low-voltage access power buses

STI

SKU: STI-HTR045T

STI STI-HTR045T Radiant Heater with Thermostat

9VDC radiant heater with thermostat for cold-weather access control

• Runs on 9VDC to integrate directly with existing access control power supplies.
• Integrated thermostat auto-regulates heat output — no field calibration required.
• Localized radiant output protects readers, strikes, and latches in unheated enclosures.

STI

SKU: STI-HTR060T

STI STI-HTR060T Radiant Heater with Thermostat 60W

• 60W radiant heat at 9VDC prevents frost-related strike failures in unheated spaces.
• Integrated thermostat cycles heating autonomously—no external sensor or control logic needed.
• Designed for 9VDC strike power supplies; verify supply voltage before installation.

STI

SKU: STI-HTR075T

STI STI-HTR075T 75W Radiant Heater with Thermostat

75W radiant heater with thermostat for outdoor electronic locks

• 75W output prevents electronic strike freeze-up in sub-zero outdoor installations.
• Runs on 9VDC aux output—no step-down converter needed on existing access control panels.
• Integrated thermostat cycles heat on demand, reducing power draw and extending strike life.

STI

SKU: STI-HTR100T

STI STI-HTR100T Radiant Heater with Thermostat 100W

• 100W radiant output keeps electric strike solenoids responsive in freezing conditions.
• Integrated thermostat auto-cycles heat, preventing coil degradation from thermal overshoot.
• Runs at 9VDC, fitting retrofit and new installs on standard 12/24VDC access control supplies.

STI

SKU: STI-HTR150T

STI STI-HTR150T Radiant Heater with Thermostat 150W

150W radiant heater with thermostat for outdoor access control

• Runs on 9VDC, wiring directly into existing security system power supplies.
• Integrated thermostat auto-cycles heat to protect locks and strikes in sub-freezing temps.
• Compact form fits enclosures as shallow as 2–3 inches, easing retrofit installations.

STI

SKU: STI-HTR200T

STI STI-HTR200T Radiant Heater with Thermostat

• Radiant heating element keeps reader optics above dew point, preventing condensation lockouts.
• Integrated thermostat eliminates external temperature control modules, reducing wiring complexity.
• Runs on 9VDC, fitting directly into standard commercial access control power supplies.

STI

SKU: STI-HTR550T

STI STI-HTR550T Cabinet Heater with Fan

• Runs on 9VDC supply rail, eliminating separate transformers in access control cabinets.
• Integrated fan circulates heat to prevent condensation that corrodes relay contacts and PCBs.
• Fits standard 19-inch and compact enclosures; mounts vertically or horizontally.

STI

SKU: STI-TSTAT520F

STI STI-TSTAT520F Single Thermostat Heater Control

• 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.

System Sensor

SKU: BEAMHKR

System Sensor BEAMHKR Beam Detector Heater Kit with Reflector

Heater kit with reflector for System Sensor beam detectors, 32VDC

• Heater kit extends cold-environment operation down to -30°C for unheated spaces.
• Integrated reflector enables single-ended beam detection across 16–328 ft. spans.
• Runs at 32VDC, matching BEAM1224 series power range for direct panel compatibility.

System Sensor

SKU: PR-1

System Sensor PR-1 Single Relay Module

Single relay module for fire alarm system expansion across multi-voltage setups

• Single relay output expands auxiliary control channels for locks, strobes, or dampers.
• Multi-voltage input eliminates power conditioning hardware in mixed-voltage installations.
• Relay contacts integrate third-party access control and signaling devices via standard switching.