Notification Appliances
Showing Results for Notification Appliances
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STI
SKU: STI-9767
STI STI-9767 Horn/Strobe Damage Stopper L Series Wall Mount
- Wall-mounted horn and strobe damage stopper cage
- 9-gauge steel wire with corrosion-resistant finish
- Shields signaling devices from vandalism and accidental impact
$61.99The item has been added -
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.
$83.64 $52.99 Save $30.65The item has been added -
System Sensor
SKU: LENS-AC
System Sensor LENS-AC Amber Lens for SpectrAlert Advance Ceiling
Amber lens assembly for SpectrAlert Advance ceiling-mount fire alarms
- Attaches to SpectrAlert Advance ceiling-mount strobes without tools or rewiring.
- Amber color enables zone differentiation for gas, weather, or sprinkler alarms.
- Operates from −35°F to 151°F, supporting indoor and outdoor deployments.
$29.93 $18.99 Save $10.94The item has been added -
System Sensor
SKU: LENS-BC
System Sensor LENS-BC Blue Lens Replacement Assembly for SpectrAlert Advance
Blue lens replacement for SpectrAlert Advance ceiling units, 35VDC
- Direct drop-in replacement for SpectrAlert Advance ceiling units—no rewiring required.
- Operates on the existing 35VDC power rail, eliminating additional power supply runs.
- TCP/IP integration enables centralized monitoring and synchronized activation across units.
$29.93 $28.99 Save $0.94The item has been added -
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.
$29.93 $18.99 Save $10.94The item has been added -
System Sensor
SKU: LENS-RC
System Sensor LENS-RC Red Lens for SpectrAlert Advance Ceiling
Red lens replacement for SpectrAlert Advance ceiling strobes
- UL 1638 listed for reliable red visual signaling on SpectrAlert Advance ceiling strobes.
- NEMA 3R rated for indoor and outdoor use across a −35°F to 151°F temperature range.
- Tool-free snap-on installation onto the SpectrAlert Advance universal mounting plate.
$29.93 $18.99 Save $10.94The item has been added -
System Sensor
SKU: P4RK-R
System Sensor P4RK-R Wall-Mount Horn Strobe Red 4-Wire Device Only
4-wire wall-mount horn strobe in red for fire alarm systems
- 4-wire architecture supports supervised wiring with pre-install continuity check via shorting spring.
- Operates across –40°F to 151°F, suiting demanding indoor environments year-round.
- Field-selectable strobe candela and single-unit horn/strobe design reduce back-box count and labor.
$165.99The item has been added -
System Sensor
SKU: P4W
System Sensor P4W Wall-Mount Horn Strobe White 4-Wire
4-wire wall-mount horn strobe in white for fire alarm systems
- Auto-selects 12VDC or 24VDC, simplifying multi-voltage panel integration.
- 4-wire architecture reduces circuit complexity and back-box footprint in retrofits.
- Integrated shorting spring tests wiring continuity before device install, preventing ground faults.
$13.99The item has been added -
System Sensor
SKU: PC2WHK
System Sensor PC2WHK Ceiling-Mount Horn Strobe White 2-Wire High wi...
Ceiling 2-wire horn strobe, 12VDC, white, audible + visual alerts
- 2-wire ceiling design reduces back-box wiring complexity on standard commercial panels.
- 88+ dBA horn output meets UL reverberant room requirements for office and retail spaces.
- IP56-rated enclosure handles –40°F to 151°F, suitable for harsh industrial deployments.
$172.00 $101.99 Save $70.01The item has been added -
System Sensor
SKU: SCWHK
System Sensor SCWHK Ceiling-Mount High Candela Strobe White with Ma...
Ceiling strobe for fire alarm systems with high candela output and TCP/IP
- Field-selectable candela (15–185 cd) lets you match output to coverage zone requirements.
- Operates at 12VDC regulated or FWR across –40°F to 151°F for harsh environment installs.
- Universal mounting plate fits standard ceiling back boxes, eliminating custom fabrication costs.
$147.00 $82.99 Save $64.01The item has been added -
System Sensor
SKU: SPCWK
System Sensor SPCWK Wall-Mount Speaker White
TCP/IP wall speaker for fire alarm & security systems
- Delivers 88+ dBA audible output on a supervised 12VDC notification loop.
- Universal mounting plate with shorting spring confirms wiring continuity before install.
- Rated for –40°F to 151°F operation, suitable for demanding commercial environments.
$154.99The item has been added -
System Sensor
SKU: SPCWK-R
System Sensor SPCWK-R Wall-Mount Speaker White Device Only
TCP/IP wall-mount speaker for IP fire alarm and emergency systems
- Auto-selects 12VDC or 24VDC at power-up, eliminating manual jumper configuration.
- Plug-in architecture mounts to standard back boxes, reducing installation labor and fault risk.
- Onboard shorting spring enables wiring continuity verification before device installation.
$110.99The item has been added -
System Sensor
SKU: SRK-R
System Sensor SRK-R Wall-Mount Strobe Notification Device
Red wall-mount strobe with TCP/IP integration for visual fire alerts
- Field-selectable candela (15–185 cd) right-sizes visibility without extra SKUs.
- Onboard shorting spring on mounting plate confirms wiring continuity before installation.
- Rated for –40°F to 151°F operation; suits industrial and outdoor-adjacent deployments.
$103.00 $102.99 Save $0.01The item has been added -
System Sensor
SKU: SSM24-10
System Sensor SSM24-10 10-Inch 24VDC Signal Bell
10-inch 24VDC signal bell for networked fire and security systems
- Operates on 24VDC, integrating directly with conventional fire alarm notification circuits.
- 10-inch bell form factor delivers audible coverage across corridors, offices, and warehouses.
- Rated for –31°F to 140°F operation, supporting indoor and temperature-variable environments.
$125.46 $80.99 Save $44.47The item has been added -
System Sensor
SKU: SSM24-6
System Sensor SSM24-6 6-Inch 24VDC Signal Bell
6-inch 24VDC signal bell with TCP/IP for networked alarm systems
- Operates at 24VDC, fitting standard low-voltage security and fire alarm architectures.
- TCP/IP communication enables remote monitoring and control in networked alarm deployments.
- Rated for –31°F to 140°F operation with a 3-year warranty for demanding installations.
$87.72 $57.99 Save $29.73The item has been added -
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 $38.05The item has been added
Notification Appliances
Fire alarm notification appliances including horn-strobes, speakers, chimes, and visual-only strobes. UL 464 and UL 1971-listed devices deliver audible and visual fire alarm notification for ADA-compliant, code-required occupant alerting across commercial facilities.
Plan Your Deployment
- Calculate candela requirements per room size and ADA/NFPA 72 visible notification tables
- Select horn pattern and dB output for audibility above ambient noise levels
- Specify wall-mount or ceiling-mount form factor per architectural requirements
- Evaluate speaker-strobe models for voice evacuation systems requiring intelligible messaging
- Confirm voltage and circuit compatibility with fire alarm panel NAC outputs
Notification Appliances — Engineering-Grade Fire Detection for Commercial Deployments
This category covers 24 working models of notification appliances sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.
What to Look For
Addressable versus conventional architecture is the first decision. Conventional systems group detectors into zones; addressable systems identify the exact device that triggered. For buildings above 10,000 sq ft or with more than 20 detectors, addressable saves substantial diagnostic time and meets most modern code requirements. Conventional panels remain economical for small commercial buildings and retrofits where new wiring isn't feasible.
UL 864 listing is non-negotiable for the panel; UL 268 for smoke detectors, UL 521 for heat detectors. The AHJ will reject anything else. Beyond UL, look for FM Approval and CSFM (California) listings — many jurisdictions accept only those. Confirm panel-to-detector compatibility within the manufacturer's listed combinations; mixing brands across UL listings voids the panel's certification.
Notification appliance circuit (NAC) capacity, voltage drop, and battery backup sizing drive panel sizing more than detector count does. ADA-compliant strobes draw 75-175 mA each — a 50-strobe building exceeds many small NAC ratings. Calculate total NAC load with voltage-drop budget for the longest run, and size standby battery for 24 hours plus 5 minutes alarm per NFPA 72.
Central station communication, networked panel federation, and graphical workstations matter most in multi-building campuses. Single-building panels typically dial a central station via cellular and IP; multi-building campuses run proprietary peer-to-peer networks (Notifier NFN, Siemens FN-2127, Edwards SIGA) with master annunciation. Plan the integration topology before ordering panels — head-end choice affects which compatible peripherals you can deploy.
Key Specs in This Category
| Spec | Available Options |
|---|---|
| Power | AC/DC |
| Type | Relay Module, Strobe Light, Switch, Controller, Enclosure, Power Supply, Accessory, Audio Extender |
Top Brands in This Category
Frequently Asked Questions
Do I need an addressable or conventional fire alarm panel?
Addressable panels identify the specific detector in alarm; conventional panels identify only the zone. NFPA 72 and most local codes require addressable for buildings above certain occupancy or square-footage thresholds, but the practical break-even is around 20-30 detectors. Above that count, addressable saves diagnostic and maintenance time. Below it, conventional is often the budget-friendly choice.
What's the difference between photoelectric and ionization smoke detectors?
Photoelectric detectors respond fastest to smoldering fires (cigarettes, electrical wiring); ionization detectors respond fastest to flaming fires (paper, kitchen). Modern dual-sensor detectors include both technologies and meet UL 268 7th edition requirements. Most jurisdictions now require dual-sensor or photoelectric for new commercial installations. Ionization-only is being phased out due to nuisance-alarm performance in cooking and shower-steam scenarios.
How often must fire alarm systems be inspected?
NFPA 72 requires annual inspection and testing of the entire system, semiannual battery testing, and monthly visual inspection of the panel. Local AHJ requirements often mandate documentation and a service contract with a licensed contractor. The owner-of-record bears legal responsibility for inspections — missing an annual inspection exposes the owner to fines and insurance claim denial.
Do I need a duct smoke detector?
Yes if the HVAC system exceeds 2,000 CFM (commercial threshold) — code requires duct smoke detectors that shut down the HVAC to prevent smoke distribution during a fire. Confirm CFM rating against local code thresholds; many jurisdictions require duct detection on smaller systems serving multiple-occupancy buildings. Duct detectors must report to the building's fire alarm panel.
What battery backup is required for fire panels?
NFPA 72 requires 24 hours of standby operation plus 5 minutes in full alarm. Calculate panel current draw under both conditions, then specify a battery with adequate Ah capacity. Lead-acid batteries lose capacity in cold environments — derate by 20% for unconditioned spaces. Replace batteries every 4-5 years even if they test good; failure rates climb steeply after year 5.
Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.