System Sensor products
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Add to Cart The item has been addedSystem Sensor MDL3W 12/24V Sync-Circuit Module White
12/24V sync-circuit module for networked fire alarm systems
- Synchronizes SpectrAlert Advance horns, strobes, and chimes across multi-zone fire alarm systems.
- Accepts 120 VAC input and delivers regulated 12/24V DC output for stable device operation.
- Plug-in mounting design with plate support reduces ground-fault risk during installation.
Usually Ships in 2-3 Weeks Free shipping over $499$141.78 $91.99 Save $49.79 -
Save $9.94
Add to Cart The item has been addedSystem Sensor LENS-GC Green Lens - Ceiling
Green lens replacement for SpectrAlert Advance ceiling beacons
- UL 1638-listed green lens signals normal status in color-coded notification systems.
- Rated for −35°F to 151°F operation, supporting indoor and outdoor deployments.
- Tool-free clip installation into SpectrAlert Advance ceiling strobes; no rewiring needed.
Usually Ships in 2-3 Weeks Free shipping over $499$29.93 $19.99 Save $9.94 -
Save $0.01
System Sensor HRK-R Wall-Mount Horn Device Only
Wall-mount horn with TCP/IP control for networked security systems
Usually Ships in 2-3 Weeks Free shipping over $499 -
Save $6.64
Add to Cart The item has been addedSystem Sensor DST1 InnovairFlex Sampling Tube - 1 Foot Duct
Duct sampling tube for InnovairFlex fire detection up to 1 foot
- Samples duct airflow from 100–4,000 FPM, covering low-velocity returns to high-velocity supply runs.
- Tool-free front or rear installation via patented quick-connect; no threaded fittings required.
- Operates at 29VDC and integrates directly into 4-wire photoelectric fire alarm circuits.
Usually Ships in 2-3 Weeks Free shipping over $499$18.63 $11.99 Save $6.64 -
Save $0.36
Add to Cart The item has been addedSystem Sensor DECAL-WC White Letter Decal Kit
White letter decal kit for System Sensor red ceiling devices
- Labels red SpectrAlert Advance ceiling strobes and horn-strobes without affecting strobe output.
- Rated for indoor and outdoor use across a wide temperature range of −35°F to 151°F.
- Tool-free application to device lens or trim ring; full adhesion achieved within 24 hours.
Usually Ships in 2-3 Weeks Free shipping over $499$147.35 $146.99 Save $0.36 -
Save $126.92
Add to Cart The item has been addedSystem Sensor D4240 4-Wire Duct Smoke Detector 120VAC
4-wire duct smoke detector for supply/return air HVAC monitoring
- 4-wire supervised wiring supports alarm, trouble, and reset on conventional or addressable panels.
- Runs on 120VAC, eliminating the need for a separate low-voltage power supply in HVAC installations.
- Compact 14.38" x 5" x 2.5" housing fits standard supply or return air duct cutouts without modification.
Usually Ships in 2-3 Weeks Free shipping over $499$341.91 $214.99 Save $126.92 -
Save $0.46
Add to Cart The item has been addedSystem Sensor BEAMMMK Beam Detector Multi-Mount Kit
Multi-position mounting kit for System Sensor TCP/IP beam detectors
- Supports wall, ceiling, and structural column mounting for BEAM1224 series detectors.
- Operates across -30 to 55°C, suitable for warehouses, garages, and loading docks.
- Enables precise transmitter/reflector alignment without special tools during installation.
Usually Ships in 2-3 Weeks Free shipping over $499$152.45 $151.99 Save $0.46 -
Save $78.79
Add to Cart The item has been addedSystem Sensor BEAMLRK Active Infrared Beam Detector Long-Range
Long-range active IR beam detector with relay output for perimeter protection
- Covers detection spans from 16 ft to 328 ft, suiting warehouses and high-ceiling spaces.
- Relay output integrates directly into any 24–32 VDC UL-listed fire alarm or security panel.
- Rated for –22°F to 131°F operation, supporting outdoor perimeter and harsh-environment installs.
Usually Ships in 2-3 Weeks Free shipping over $499$235.78 $156.99 Save $78.79 -
Save $28.65
Add to Cart The item has been addedSystem Sensor APA151 Remote Annunciator with Piezo Alert
Remote annunciator with piezo sounder for 24 VDC fire alarm systems
- Operates on 24 VDC supervised power for continuous panel-monitored circuit health.
- Integrated piezo sounder adds local audible output without additional signal runs to panel.
- Compact 14.38 × 5 × 2.5 in body suits wall or enclosure mounting in secondary locations.
Usually Ships in 2-3 Weeks Free shipping over $499$83.64 $54.99 Save $28.65 -
System Sensor 6500-MMK Heavy-Duty Multi-Mount Bracket for Beam Dete...
Adjustable multi-position bracket for System Sensor 32VDC beam detectors
Usually Ships in 2-3 Weeks Free shipping over $499Add to quote$195.99 -
Save $7.01
System Sensor 5603 135F Fixed Temperature Mechanical Heat Detector
135°F fixed heat detector with TCP/IP for networked fire systems
- Triggers at exactly 135°F for reliable heat detection in dusty or steam-filled spaces.
- Mechanical sensing requires no electronics, eliminating drift and reducing false alarms.
- Runs on 35VDC conventional fire alarm loops for straightforward panel integration.
Usually Ships in 2-3 Weeks Free shipping over $499 -
Save $34.06
Add to Cart The item has been addedSystem Sensor 2151 Smoke Detector
Photoelectric smoke detector, 120VAC plug-in, low-profile ceiling mount
- Photoelectric sensing detects smoldering fires and visible smoke particles at 120VAC.
- Plug-in form factor mounts to standard 120VAC outlets, eliminating new hardwire runs.
- Low-profile 7.0 x 7.0 x 1.0 in. body fits tight retrofit spaces where hardwired units won't.
Usually Ships in 2-3 Weeks Free shipping over $499$106.05 $71.99 Save $34.06
