4903-9153 Simplex, S/V 24VDC 15CD Red VERT F/S.

4903-9153 Simplex, Audible/visible notification appliances with multi-tapped speaker and high-intensity xenon strobe.

Xenon strobe visible notification appliance:

  • UL listed to Standard 1971.
  • 24 VDC operation with switch selection for free-run or synchronized flash rate.
  • Compatible with ADA requirements.
  • Strobe candela rating is clearly indicated on the reflector.
  • Wiring terminals are separate from audible notification appliances.
  • Impact-resistant polycarbonate lens.

Audible notification appliance (speaker):

  • High-quality voice and tone reproduction with taps for 1/4, 1/2, 1, or 2 W, at 25 or 70.7 VRMS.
  • Speakers are wired separately from strobe wiring.
  • UL listed to Standard 1480.
  • Compliant with NFPA 72, 520 Hz Low-Frequency Signal Requirements for Sleeping Areas.

Speaker/Visible (S/V) notification appliances combine a multi-tapped speaker and a high-intensity strobe to provide audio/tone notification and visible notification from the same appliance.

Speakers and strobes are wired separately. The speaker is multi-tapped with taps available for either 25 VRMS or 70.7 VRMS and the strobe is selectable for either free-run or synchronized operation.

Strobe Selection. Proper selection of visible notification is dependent on occupancy, location, local codes, and proper applications of the National Fire Alarm Code (NFPA 72), ANSI A117.1, the appropriate model building code, BOCA, ICBO, or SBCCI, and the application guidelines of the Americans with Disabilities Act (ADA).

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