System Sensor

System Sensor

SKU: MDL3W

System 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.

System Sensor

SKU: LENS-GC

System Sensor LENS-GC Green Lens for SpectrAlert Advance 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.

System Sensor

SKU: HRK-R

System Sensor HRK-R Wall-Mount Horn Device Only

Wall-mount horn with TCP/IP control for networked security systems

System Sensor

SKU: DST1

System Sensor DST1 InnovairFlex Sampling Tube - Up to 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.

System Sensor

SKU: DECAL-WC

System Sensor DECAL-WC White Letter Decal Kit for Red Ceiling Devices

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.

System Sensor

SKU: D4240

System 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.

System Sensor

SKU: BEAMMMK

System 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.

System Sensor

SKU: BEAMLRK

System 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.

System Sensor

SKU: APA151

System 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.

System Sensor

SKU: 6500-MMK

System Sensor 6500-MMK Heavy-Duty Multi-Mount Bracket for Beam Dete...

Adjustable multi-position bracket for System Sensor 32VDC beam detectors

System Sensor

SKU: 5603

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.

System Sensor

SKU: 2151

System Sensor 2151 Photoelectric Low-Profile Plug-In 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.