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Cooper Wheelock Fire Horn Strobe - Series NS/NS4

Wheelock Fire Alarms

Cooper Wheelock Fire Alarms- Wheelock Fire Horn Strobe Series NS/NS4 - by Koetter Fire Protection - Dallas, Texas

Series NS Fire Horn Strobe

The Series NS Fire Horn Strobe will satisfy virtually all requirements for indoor wall mount applications. The Series NH Fire Horn and the horn portion of the Series NS include a selectable continuous horn tone or temporal pattern (Code 3) with selectable dBA settings of 90 or 95 dBA.

Strobe options include 1575cd or Cooper-Wheelock’s patented Multi-Candela strobe with field selectable candela settings of 15/30/75/110cd.

These versatile Horn Strobes may be synchronized when used in conjunction with the Cooper-Wheelock SM, DSM Sync Modules or Cooper-Wheelock’s PS-12/24-8MP Power Supply with patented Sync Protocol. Additionally, the audible may be silenced while maintaining strobe activation.

All models of the Series NS and NH are designed for maximum performance, reliability and cost-effectiveness while meeting or exceeding the latest requirements of NFPA 72/ANSI 117.1/UFC and UL Standards 1971 and 464 as well as meeting ADA requirements concerning photosensitive epilepsy.

Cooper-Wheelock’s Patented 2-Wire Series NS Horn Strobes and Series NH Fire Horns
Offer More Features with Low Current Draw

  • Approvals include: UL Standard 1971, UL Standard 464, New York City (MEA), California State Fire Marshal (CSFM) and Factory Mutual (FM) Pending: Chicago (BFP)
  • ADA/NFPA/UFC/ANSI compliant
  • Complies with OSHA 29, Part 1910.165
  • Field Selectable Candela Settings 15/30/75/110cd
  • (24 VDC Multi-Candela models) or 1575cd in 12 or 24 VDC
  • Selectable Continuous Horn or Temporal (Code 3)
  • 2 Selectable dBA settings of 90 and 95 dBA in both tones
  • Patented Universal Mounting Plate
  • 12 and 24 VDC models with UL "Regulated Voltage" using filtered DC or unfiltered VRMS input voltage
  • Wall Mount
  • NH horn is selectable 12 or 24 VDC in 1 unit
  • Synchronize with Cooper-Wheelock SM, DSM Sync Module
  • or Cooper-Wheelock PS-12/24-8MP Power Supply with built-in sync protocol
  • Fast installation with IN/OUT screw terminals using #12 to #18 AWG wires


Custom Engineered Fire Systems . . .

. . are required by businesses in the data processing, communications, aviation, medical & art industries.

Koetter Fire Custom Engineered Fire Systems! Koetter Fire specializes in Semiconductor Facilities, Cleanrooms & Wet Bench fire protection, as well as all other industrial applications. Prevent the loss of costly equipment, irreplaceable data and information as well as business interruption.
"Custom Engineered Fire Systems & Rates"

TraceTek Leak Detection from Koetter Fire
TraceTek Leak Detection from Koetter FireDesigned primarily to detect water leaks in computer facilities, TraceTek has become the standard for uses such as hazardous chemical supply and recovery in semicon-ductor production facilities, hazardous fluid monitoring & the monitoring of the interstitial space between the inner and outer wall of double containment piping systems.   more about TraceTek
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. . . of fire detection & suppression systems manufactured by the biggest and best industry names.

Our people are factory-trained in the design, installation, and service of these manufacturers' systems.
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