STI products
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STI Stopper® Dome Heated Enclosure for - STI-1229HTR240-WD
NEMA 4X rated heated dome enclosure designed to protect strobe-only warning appliances in outdoor and harsh environmental conditions
- NEMA 4X rated dome shields outdoor strobes from water, dust, and corrosion.
- 240V heating element maintains optics in cold or harsh environmental conditions.
- Compatible with AMSECO SL24W-153075 strobe series; centered lens preserves signal throw.
Usually Ships in 2-3 Weeks Free shipping over $499$1,052.83 $641.99 Save $410.84 -
Save $410.84
STI Stopper® Dome Heated Enclosure for Strobe - STI-1229HTR240
NEMA 4X heated dome enclosure designed to protect strobe-only warning appliances in outdoor and harsh environments
- NEMA 4X rating provides dust-tight, spray-tight, corrosion-resistant outdoor protection.
- Clear dome preserves strobe light transmission while shielding lens from UV and weather.
- Six pre-drilled mounting holes with included hardware simplify installation to backboxes.
Usually Ships in 2-3 Weeks Free shipping over $499$1,052.83 $641.99 Save $410.84 -
Save $0.31
STI Stopper II® with Horn and Clear Spacer - Custom - STI-1130CR
Retrofit exit stopper device combining an integrated horn with a clear spacer plate—designed to flag unauthorized egress attempts while preserving
- Integrated horn alerts personnel immediately on unauthorized exit attempts.
- Compatible with fail-safe and fail-secure strike types for flexible deployment.
- Clear spacer preserves label and evacuation placard visibility during alarms.
Usually Ships in 2-3 Weeks Free shipping over $499$158.30 $157.99 Save $0.31 -
Save $0.33
STI SS2502LD-EN Stopper Station Push Button Key-to-Reset
Push button stopper station with key-to-reset functionality, designed for access control applications requiring manual override capability
- Key-to-reset function prevents accidental re-engagement after manual override.
- Operates at 30VDC and includes both N.O. and N.C. contacts for flexible wiring.
- NEMA Type 23 rated; compact 6.36" × 3.22" footprint fits standard door frames.
Usually Ships in 2-3 Weeks Free shipping over $499$86.32 $85.99 Save $0.33 -
Save $0.79
STI Stopper® Station Push Button with Stopper® - SS2422LD-EN
Momentary push-button activated access control station featuring an integrated protective shield housing
- Integrated shield housing protects the momentary push button from physical damage.
- Operates at 30VDC, ensuring direct compatibility with standard magnetic lock strike systems.
- NEMA Type 23 enclosure fits door-frame mounting at 1.25 in. depth without anchors.
Usually Ships in 2-3 Weeks Free shipping over $499$96.78 $95.99 Save $0.79 -
Save $0.33
STI SS2305PX-EN Stopper Station Push Button Momentary
Momentary push button stopper station designed for manual release and door-hold scenarios in access control systems
- Operates at 30V DC for direct integration with standard access control power supplies.
- NEMA Type 23 enclosure suits indoor commercial and light-duty outdoor deployments.
- 6.36" × 3.22" footprint supports flush or surface mount via compatible adapter kits.
Usually Ships in 2-3 Weeks Free shipping over $499$86.32 $85.99 Save $0.33 -
Save $0.81
STI Stopper® Station Push Button with Stopper® - SS2229PO-EN
Mechanical push button station component designed for 30VDC magnetic lock strike systems in commercial access control deployments
- Integrated shield housing protects the push button from impact wear in high-traffic entry points.
- Rated for 30VDC magnetic lock strike systems, ensuring direct compatibility with standard access control wiring.
- Drop-in mechanical station with no electronics — simplifies retrofits and replacements within STI Stopper® deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$96.80 $95.99 Save $0.81 -
Save $96.90
STI SS2108XT-EN Stopper Station Push Button Pneumatic
Pneumatic-actuated push button stopper station designed for access control installations where manual door hold or release is required
- Pneumatic actuation at 30VDC eliminates reliance on electrical load stability.
- NEMA Type 23 enclosure suits standard commercial door-frame environments.
- Flush or surface mount via KIT-102720 or KIT-71100A; fits 1-1/4 in. max depth.
Usually Ships in 2-3 Weeks Free shipping over $499$288.89 $191.99 Save $96.90 -
Save $0.46
STI KIT-M05501-C Select-Alert Replacement Lens Clear
Clear, tamper-proof replacement polycarbonate cover designed for the STI Select-Alert device
- Clear lens maintains visual alert visibility in access control notification systems.
- Operates at 9V DC, matching standard STI Select-Alert power infrastructure.
- Drop-in replacement lens reduces downtime during Select-Alert system servicing.
Usually Ships in 2-3 Weeks Free shipping over $499$16.45 $15.99 Save $0.46 -
Save $0.05
STI KIT-M05050-R Translucent Red Lens
Translucent red lens assembly for visual status indication in STI lock and strike installations
- Operates at 9VDC, integrating directly into standard STI lock and strike power circuits.
- Translucent red polycarbonate lens delivers high-visibility status indication without external lighting.
- Mounts to compatible STI strike frames using standard hand tools and included hardware.
Usually Ships in 2-3 Weeks Free shipping over $499$17.04 $16.99 Save $0.05 -
Save $0.76
STI Optional gasket for series - KIT-G92099
N optional environmental gasket designed to seal and protect the STI-6520, STI-6521, and STI-6522 series lock mechanisms from moisture, dust, and
- Seals STI-6520/6521/6522 lock bodies against moisture, dust, and direct spray.
- Prevents water ingress at cable entry and mounting points in outdoor deployments.
- Requires 7mm masonry bit for wall installs; blank unused cable holes to maintain seal.
Usually Ships in 2-3 Weeks Free shipping over $499$11.75 $10.99 Save $0.76 -
Save $0.24
STI KIT-G82599 Gasket for STI-6516 Electric Strike
Replacement gasket assembly for the STI-6516 electric strike
- Restores weatherproofing on the STI-6516 electric strike, blocking moisture and dust intrusion.
- Designed specifically for the STI-6516 9VDC strike — geometry ensures proper seating and full seal.
- No special tools required; installs between strike body and cover plate using standard fasteners.
Usually Ships in 2-3 Weeks Free shipping over $499$8.23 $7.99 Save $0.24 -
Save $0.42
STI KIT-G101598 Gasket for Electric Strike
Weather gasket designed to protect electric strikes and similar devices from environmental ingress
- Direct replacement gasket restores seal integrity on STI-6518 electric strike assemblies.
- Rated for 9VDC systems, ensuring electrical compatibility with existing power supplies.
- Supports HID credential reader installations, maintaining access control continuity.
Usually Ships in 2-3 Weeks Free shipping over $499$7.41 $6.99 Save $0.42 -
Save $0.70
STI KIT-EVA24 Din Rail for EnviroArmour Series
Din rail-mounted strike module designed for the EnviroArmour Series access control platform
- DIN rail mount fits standard 35mm rail, consolidating strikes inside control panels.
- Runs on 9VDC, simplifying shared power distribution across multi-door EnviroArmour installs.
- Accepts HID-format credential inputs, integrating directly with existing HID reader deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$61.69 $60.99 Save $0.70 -
Save $0.96
STI Enviro-Kit for Stopper® Dome Series - KIT-123
Protective environmental enclosure designed for the STI Stopper dome series
- Clear polycarbonate dome shields Stopper-series devices from weather and tampering.
- Reduces nuisance alarms in fire alarm and manual call-point installations.
- Includes cable gaskets and wall fixings for standard surface-mount deployment.
Usually Ships in 2-3 Weeks Free shipping over $499$39.95 $38.99 Save $0.96 -
Save $0.22
STI Replacement glass for STI-4100EM & STI-4130EM - - KIT-10EM
Drop-in replacement glass assembly for STI-4100EM and STI-4130EM emergency lock devices
- Drop-in fit for STI-4100EM and STI-4130EM eliminates reader replacement or rewiring.
- Matches 9VDC operating voltage of parent devices; no power supply changes required.
- Includes weather gasket and cable entry gaskets to maintain environmental protection.
Usually Ships in 2-3 Weeks Free shipping over $499$22.21 $21.99 Save $0.22 -
Save $0.29
STI KIT-102722-E 5/8" Spacer for Stopper® Stations
5/8" spacer kit engineered for STI Stopper® Station electric strike assemblies
- Maintains precise frame-to-strike air gap for reliable engagement in 9VDC Stopper® systems.
- Compatible with Stopper® Station and Stopper II assemblies for new installs and retrofits.
- Blank-off inserts seal unused cable entries, preventing moisture ingress in wet environments.
Usually Ships in 2-3 Weeks Free shipping over $499$11.28 $10.99 Save $0.29 -
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STI KIT-10-FR Replacement Glass for STI-4100-FR
Replacement glass for STI-4100-FR 10-door access control system
- Supports up to 10 doors with 9VDC wired power and RS-232 communication
- Direct compatibility with STI-4100-FR lock and strike hardware
- Maintenance replacement component for multi-door facility deployments
Usually Ships in 2-3 Weeks Free shipping over $499$22.21 $21.99 Save $0.22 -
Save $0.23
STI KIT-10 Replacement Glass for STI-4100
Replacement glass cover designed specifically for the STI-4100 manual call point
- Direct replacement glass for STI-4100 strike systems restores full operation fast.
- Operates at 9VDC, matching existing STI-4100 power supply without rewiring.
- Maintains access control integrity with a manufacturer-warranted OEM component.
Usually Ships in 2-3 Weeks Free shipping over $499$12.22 $11.99 Save $0.23 -
Save $0.35
STI Replacement Break-Glass Tool for Break Glass - KIT-08
Direct replacement break-glass tool for the Break Glass Stopper series emergency access devices
- Drop-in replacement for Stopper II and Weather Stopper II frames; no new drilling required.
- Operates at 9VDC, matching existing Stopper series power architecture for seamless integration.
- Restores break-glass capability on installed housings without requiring full unit replacement.
Usually Ships in 2-3 Weeks Free shipping over $499$12.34 $11.99 Save $0.35







