No bots, just experts

Questions on System Sensor? Free pre-sales support from a senior specialist — product questions, BOM quotes, compatibility checks, price confirmation — within one business day. Need full system design? $175/hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back.

System Sensor products

Sidebar
Selecting a sort option will reload the product list.
  • System Sensor WTP Weatherproof Mounting Plate

    System Sensor

    SKU: WTP

    System Sensor WTP Weatherproof Mounting Plate

    Weatherproof flush-mount plate for outdoor NFC readers, 35VDC

    • Flush-mount geometry seals outdoor NFC/13.56 MHz readers against rain and dust.
    • Supports 35 VDC reader power, integrating directly into standard access control supplies.
    • TCP/IP communication preserves full network connectivity at exposed credential checkpoints.
    $52.02 $35.99 Save $16.03
    The item has been added
    Free shipping over $499
    $52.02 $35.99 Save $16.03
    Add to quote
  • System Sensor SSV120-8 8-Inch 120VAC Signal Bell - Image 3

    System Sensor

    SKU: SSV120-8

    System Sensor SSV120-8 8-Inch 120VAC Signal Bell

    8-inch 120VAC signal bell with TCP/IP network integration

    • Operates at 120VAC, suitable for direct line-voltage fire alarm circuits.
    • 8-inch bell diameter delivers broad audible coverage in commercial spaces.
    • Backed by a 3-year manufacturer warranty for long-term deployment confidence.
    $100.00 $63.99 Save $36.01
    The item has been added
    Free shipping over $499
    $100.00 $63.99 Save $36.01
    Add to quote
  • System Sensor SSV120-6 6-Inch 120VAC Signal Bell

    System Sensor

    SKU: SSV120-6

    System Sensor SSV120-6 6-Inch 120VAC Signal Bell

    6-inch 120VAC signal bell with TCP/IP networking for fire alarm systems

    • 120VAC direct wiring eliminates DC supplies or transformers in AC-distributed alarm zones.
    • TCP/IP integration enables remote triggering and silencing from a central fire alarm console.
    • Rated –31°F to 140°F operating range suits light industrial and commercial environments.
    $82.11 $52.99 Save $29.12
    The item has been added
    Free shipping over $499
    $82.11 $52.99 Save $29.12
    Add to quote
  • System Sensor SSM24-8 8-Inch 24VDC Networked Audible Signal Bell

    System Sensor

    SKU: SSM24-8

    System Sensor SSM24-8 8-Inch 24VDC Networked Audible Signal Bell

    8-inch networked bell, 24VDC, TCP/IP activation for access control

    • TCP/IP activation eliminates dedicated relay wiring, simplifying retrofits.
    • 24VDC operation integrates directly with existing access control power buses.
    • HID credential compatibility enables unlock confirmation and denial alerts.
    $104.04 $65.99 Save $38.05
    The item has been added
    Free shipping over $499
    $104.04 $65.99 Save $38.05
    Add to quote
  • System Sensor SMB600 Surface Mount Kit for 100/400 Series (view 3)
    Add to Cart The item has been added

    System Sensor

    SKU: SMB600

    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.
    $23.14 $15.99 Save $7.15
    The item has been added
    Free shipping over $499
    $23.14 $15.99 Save $7.15
    Add to cart Add to quote
  • System Sensor SENS-RDR i3 Series Infrared Sensitivity Reader
    Add to Cart The item has been added

    System Sensor

    SKU: SENS-RDR

    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.
    $624.23 $388.99 Save $235.24
    The item has been added
    Free shipping over $499
    $624.23 $388.99 Save $235.24
    Add to cart Add to quote
  • System Sensor RTS2-AOS Remote Test Station for Duct Detectors
    Add to Cart The item has been added

    System Sensor

    SKU: RTS2-AOS

    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.
    $294.99 $182.99 Save $112.00
    The item has been added
    Free shipping over $499
    $294.99 $182.99 Save $112.00
    Add to cart Add to quote
  • System Sensor RTS2 Duct Detector Remote Test Station (view 3)
    Add to Cart The item has been added

    System Sensor

    SKU: RTS2

    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.
    $197.17 $122.99 Save $74.18
    The item has been added
    Free shipping over $499
    $197.17 $122.99 Save $74.18
    Add to cart Add to quote
  • System Sensor RTS151KEY Remote Test Station with Key

    System Sensor

    SKU: RTS151KEY

    System Sensor RTS151KEY Remote Test Station with Key

    TCP/IP remote test station with keyed access for networked fire alarms

    • TCP/IP interface enables remote test initiation from any authorized network workstation.
    • 29VDC operating voltage integrates directly into standard fire alarm control loops.
    • Keyed access restricts test functions to authorized personnel, preventing false alarms.
    $135.36 $85.99 Save $49.37
    The item has been added
    Free shipping over $499
    $135.36 $85.99 Save $49.37
    Add to quote
  • System Sensor RTS151 remote test station control panel and interface buttons detail

    System Sensor

    SKU: RTS151

    System Sensor RTS151 Remote Test Station

    Remote fire alarm test station with TCP/IP for networked facilities

    • TCP/IP connectivity enables remote testing and diagnostics from any authorized network terminal.
    • 29VDC operation integrates directly with standard fire alarm power supplies—no auxiliary UPS needed.
    • At 2.5 lbs and 2.5" deep, mounts in cabinets, wall panels, or rack nodes without dedicated space.
    $91.65 $59.99 Save $31.66
    The item has been added
    Free shipping over $499
    $91.65 $59.99 Save $31.66
    Add to quote
  • System Sensor RRS-MOD i3 Series Reversing Relay Synchronization Module
    Add to Cart The item has been added

    System Sensor

    SKU: RRS-MOD

    System Sensor RRS-MOD i3 Series Reversing Relay Synchronization 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.
    $79.40 $54.99 Save $24.41
    The item has been added
    Free shipping over $499
    $79.40 $54.99 Save $24.41
    Add to cart Add to quote
  • System Sensor RA100Z Remote Annunciator for Duct Detectors (view 3)

    System Sensor

    SKU: RA100Z

    System Sensor RA100Z Remote Annunciator for Duct Detectors

    TCP/IP remote annunciator for System Sensor duct detection systems

    • TCP/IP connectivity eliminates dedicated alarm wiring runs to remote monitoring stations.
    • Runs on 29VDC, drawing directly from existing panel auxiliary outputs—no converter needed.
    • Compact 14.38×5×2.5 in. body supports wall, ceiling, or rack mounting in tight spaces.
    $41.57 $26.99 Save $14.58
    The item has been added
    Free shipping over $499
    $41.57 $26.99 Save $14.58
    Add to quote
  • System Sensor R-20E Single DPDT Relay with EOL
    Add to Cart The item has been added

    System Sensor

    SKU: R-20E

    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.
    $85.37 $53.99 Save $31.38
    The item has been added
    Free shipping over $499
    $85.37 $53.99 Save $31.38
    Add to cart Add to quote
  • System Sensor R-10E Single SPDT Relay with EOL Supervision
    Add to Cart The item has been added

    System Sensor

    SKU: R-10E

    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.
    $74.56 $46.99 Save $27.57
    The item has been added
    Free shipping over $499
    $74.56 $46.99 Save $27.57
    Add to cart Add to quote
  • System Sensor PR-3 multi-voltage dual form C relay module for security systems
    Add to Cart The item has been added

    System Sensor

    SKU: PR-3

    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.
    $32.99
    The item has been added
    Free shipping over $499
    $32.99
    Add to cart Add to quote
  • System Sensor PR-2 Multi-Voltage Dual Form C Relay Module
    Add to Cart The item has been added

    System Sensor

    SKU: PR-2

    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.
    $32.99
    The item has been added
    Free shipping over $499
    $32.99
    Add to cart Add to quote
  • System Sensor PR-1 Single Relay Module (view 2)
    Add to Cart The item has been added

    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.
    $33.99
    The item has been added
    Free shipping over $499
    $33.99
    Add to cart Add to quote
  • System Sensor MWBBCW Metal Weatherproof Back Box for Speakers (view 3)
    Add to Cart The item has been added

    System Sensor

    SKU: MWBBCW

    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.
    $88.99
    The item has been added
    Free shipping over $499
    $88.99
    Add to cart Add to quote
  • System Sensor MWBB Metal Outdoor Back Box (view 3)
    Add to Cart The item has been added

    System Sensor

    SKU: MWBB

    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.
    $76.99
    The item has been added
    Free shipping over $499
    $76.99
    Add to cart Add to quote
  • System Sensor MP120K 120VAC Adapter Mounting Plate
    Add to Cart The item has been added

    System Sensor

    SKU: MP120K

    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.
    $62.73 $41.99 Save $20.74
    The item has been added
    Free shipping over $499
    $62.73 $41.99 Save $20.74
    Add to cart Add to quote