System Sensor products
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System Sensor SMB600 Surface Mount Kit for 100/400 Series
Surface mount kit for System Sensor 100/400 detectors, no recessing
- Mounts flat to ceiling or wall — no recessing or rough-in work required.
- Engineered for 100/400 series detectors, ensuring direct mechanical and electrical fit.
- Operates at 35VDC, compatible with standard commercial fire panel power supplies.
Usually Ships in 2-3 Weeks Free shipping over $499$23.14 $22.99 Save $0.15 -
Save $221.24
System Sensor SENS-RDR i3 Series Infrared Sensitivity Reader
Contactless infrared reader for i3 Series access control over TCP/IP
- Contactless infrared detection eliminates mechanical wear and field maintenance on credentials.
- Native TCP/IP communication integrates directly into standard networks without external gateways.
- Operates at 35VDC and mounts to a 3½-inch octagonal back box on wall, ceiling, or rack.
Usually Ships in 2-3 Weeks Free shipping over $499$624.23 $402.99 Save $221.24 -
Save $104.00
System Sensor RTS2-AOS Remote Test Station for Duct Detectors
Remote test station for duct detectors via TCP/IP network
- TCP/IP connectivity integrates into existing network infrastructure without proprietary cabling.
- 29VDC input runs directly from FACP power supplies, maintaining tests during mains failure.
- Compact 14.38×5×2.5 in., 2.5 lb enclosure mounts in standard electrical cabinets or on walls.
Usually Ships in 2-3 Weeks Free shipping over $499$294.99 $190.99 Save $104.00 -
Save $69.18
System Sensor RTS2 Duct Detector Remote Test Station
Remote test station for System Sensor duct detectors, 29VDC operation
- 29VDC operation integrates directly into existing fire alarm panel wiring—no added PSU.
- Multi-signaling compatibility ensures reliable communication with current-generation FACP panels.
- Compact 14.38×5×2.5 in, 2.5 lb form factor mounts on walls, ceilings, or in tight spaces.
Usually Ships in 2-3 Weeks Free shipping over $499$197.17 $127.99 Save $69.18 -
Save $23.41
System Sensor RRS-MOD Reversing Relay Module
TCP/IP reversing relay module for i3 Series networked fire alarm systems
- TCP/IP communication integrates directly into networked fire alarm architectures without added signal wiring.
- 35VDC operating voltage aligns with standard fire alarm power distribution, eliminating auxiliary supplies.
- Bidirectional relay switching enables distinct actuation logic for alarm and reset/evacuation scenarios.
Usually Ships in 2-3 Weeks Free shipping over $499$79.40 $55.99 Save $23.41 -
Save $29.38
System Sensor R-20E Single DPDT Relay with EOL
Single DPDT relay with EOL supervision and TCP/IP remote control
- DPDT contacts rated 10 A at 125/250 VAC handle door strikes and solenoid loads.
- EOL supervision enables remote fault detection and relay state monitoring from the panel.
- 24 VDC operation aligns with standard fire alarm and security DC supply infrastructures.
Usually Ships in 2-3 Weeks Free shipping over $499$85.37 $55.99 Save $29.38 -
Save $24.57
System Sensor R-10E Single SPDT Relay with EOL Supervision
Single SPDT relay with EOL supervision for networked access control and fire alarm
- SPDT contacts support door strikes, mag-locks, and siren drivers from one module.
- EOL supervision detects open or short circuits instantly, avoiding silent wiring faults.
- TCP/IP communication eliminates dedicated hardwired loops, simplifying large-facility wiring.
Usually Ships in 2-3 Weeks Free shipping over $499$74.56 $49.99 Save $24.57 -
Save $0.92
System Sensor PR-3 Multi-Voltage Dual Form C Relay Module
Dual Form C relay module with 115V/230V switchable input for fire/security
- Accepts 115V or 230V input on one unit, eliminating region-specific spare-parts inventory.
- Dual Form C contacts support NO, NC, or changeover wiring for alarm and control circuits.
- TCP/IP integration enables remote relay status monitoring and actuation from a central console.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.92
System Sensor PR-2 Multi-Voltage Dual Form C Relay Module
Dual Form C relay module with TCP/IP control for multi-voltage access systems
- Dual Form C relays support both NO and NC logic for flexible strike and lock sequencing.
- TCP/IP control eliminates dedicated hardwired runs, reducing installation labor across sites.
- Supports NFC and 13.56 MHz credentials for modern card-based authentication workflows.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.92
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.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.01
System Sensor MWBBW Metal Outdoor Back Box White
Metal outdoor back box, IP56 rated, wall/ceiling mount for fire systems
- NEMA 4X / IP56-rated metal housing resists corrosion, ice, and UV outdoors.
- Supports wall or ceiling mount on masonry, brick, concrete, and ceramic tile.
- Rated –40°F to 151°F, covering extreme climate zones for exterior fire devices.
Usually Ships in 2-3 Weeks Free shipping over $499$69.00 $68.99 Save $0.01 -
Save $0.61
System Sensor MWBBCW Metal Weatherproof Back Box for Speakers
Metal weatherproof back box for outdoor speakers, IP56 rated
- IP56-rated metal housing blocks dust and water ingress in outdoor deployments.
- Operates across –40°F to 151°F, covering extreme industrial and municipal environments.
- Wall and ceiling mount options support 25V or 70.7V speaker integration via TCP/IP.
Usually Ships in 2-3 Weeks Free shipping over $499$81.60 $80.99 Save $0.61 -
Save $0.39
System Sensor MWBB Metal Outdoor Back Box
Metal outdoor back box with IP56 weather sealing and TCP/IP networking
- IP56-rated steel enclosure withstands rain and dust without added weatherproofing hardware.
- Operates across –40°F to 151°F, supporting reliable deployment in harsh outdoor environments.
- Wall and ceiling mount compatibility with plate mounting simplifies installation on varied structures.
Usually Ships in 2-3 Weeks Free shipping over $499$70.38 $69.99 Save $0.39 -
Save $0.74
System Sensor MP120K 120VAC Adapter Mounting Plate
120VAC mounting plate with TCP/IP for indoor/outdoor fire systems
- Terminates 120VAC mains directly, eliminating external transformers in AC-ready facilities.
- TCP/IP support enables networked monitoring and BMS integration for remote alarm verification.
- Rated for indoor and outdoor deployment, reducing the need to stock separate SKUs per environment.
Usually Ships in 2-3 Weeks Free shipping over $499$62.73 $61.99 Save $0.74 -
Save $49.79
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.
Usually Ships in 2-3 Weeks Free shipping over $499$141.78 $91.99 Save $49.79 -
Save $46.79
System Sensor MDL3R 12/24V Sync-Circuit Module
Dual-voltage sync module with TCP/IP for networked fire alarm coordination
- Operates at 12V or 24V DC, eliminating power supply changes during retrofits.
- TCP/IP connectivity enables remote monitoring of alarm signals across networked zones.
- Synchronization circuit prevents signal overlap across multi-zone notification devices.
Usually Ships in 2-3 Weeks Free shipping over $499$141.78 $94.99 Save $46.79 -
Save $35.79
System Sensor COSMOD4W i4 Series 4-Wire Interface Module
i4 Series 4-wire interface module for addressable fire detection networks
- Bridges 4-wire detection circuits into i4 Series addressable networks without rewiring.
- Operates at 35VDC, enabling direct integration with i4 Series loop power supplies.
- Supports i3 Series detectors and multi-panel distributed fire safety deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$109.78 $73.99 Save $35.79 -
Save $0.98
System Sensor CO-PLATE CO Detector Replacement Plate
TCP/IP CO detector replacement plate for networked fire safety systems
- Replaces CO1224T, CO1224TR, and CO1224A faceplates without full device re-certification.
- Mounts to a standard single-gang back box and runs on the existing 24VDC supply.
- Maintains UL 2075 (US) and CSA 6.19-01 (Canada) compliance after plate swap.
Usually Ships in 2-3 Weeks Free shipping over $499$48.97 $47.99 Save $0.98 -
Save $116.75
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.
Usually Ships in 2-3 Weeks Free shipping over $499$325.74 $208.99 Save $116.75 -
Save $42.01
System Sensor B116LP Low-Profile Detector Base
2-wire low-profile detector base, 24VDC, plug-in System Sensor modules
- Plug-in head design lets you swap detector modules without rewiring the base.
- Rated 24VDC for direct integration with conventional 2-wire fire alarm control panels.
- Tool-free removable cover and insect screen simplify field cleaning to cut nuisance alarms.
Usually Ships in 2-3 Weeks Free shipping over $499$115.00 $72.99 Save $42.01






