Simplex Tyco 4902-9721 | Horns | Indoor | Gasdetectorsusa
Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas

SIMPLEX TYCO   4902-9721

SKU# (7489)
SIMPLEX TYCO 4902-9721

ALARM SIGNAL DEVICES / INDOOR
HORNS

  • DESCRIPTION
  • FEATURES
  • SPECIFICATIONS
  • LITERATURE
Simplex 4902-9721 Round housing speaker with ceiling or wall mount. 25 or 70.7 VRMS. 79 to 88 dBA. NEMA 1. UL, CSFM and FM Approved.

UL   FM

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  [  In Stock  ]
Features Fire alarm speakers with models for ceiling or wall mount:
  • 4 in. cone or 102 mm provides high quality tone and voice reproduction
  • Multi-tapped design provides output power of 1/4 W, 1/2 W, 1 W, or 2 W with either 25 VRMS or 70.7 VRMS input
  • In/out wiring terminals for 18 AWG to 12 AWG
  • Mounts to 4 in. square outlet box, 1 1/2 in. deep with 1 1/2 in. deep box extension
  • Capacitor input for connection to supervised notification appliance circuits
  • Rugged, high impact, flame retardant thermoplastic housings
  • UL listed to Standard 1480
  • Compliant with NFPA 72, 520 Hz Low Frequency Signal Requirements for Sleeping Areas
  • NEMA 1 rated. See Product selection for more information.
Round housing models feature:
  • Off-white color with no lettering for flush mount on ceiling or wall
  • Compatible with optional tile bridge 2905-9946

Simplex 4902 Series speakers provide high quality sound for emergency fire alarm use as well as for background music. The moisture-repellent speaker is designed for smooth frequency response with minimal distortion.

The multi-tapped speaker transformer accommodates either 25 VRMS or 70.7 VRMS and provides an output of from 1/4 W to 2 W to provide flexibility for satisfying the requirements of the installed conditions.

Rectangular housing models are for surface or semi-flush wall mount applications. Round housing models are typically for ceiling applications but can be wall mounted if desired. The rectangular housing speakers are designed to compliment the TrueAlert family of strobes and speaker/ strobes, providing conventional, non-addressable speaker operation.

Specifications
Housing dimensions 7 1/2 in. diameter, 1/2 in. D or 191 mm x 13 mm
Depth into box 2 3/4 in. or 70 mm
Input voltage 25 VRMS or 70.7 VRMS
Power taps 1/4 W, 1/2 W, 1 W, and 2 W
Input terminal ratings 18 AWG to 12 AWG or 0.82 mm to 3.31 mm
Frequency response Fire alarm: 400 Hz to 4000 Hz
General signaling: 125 kHz to 12 kHz
Sound output 1/4 W: 79 dBA
1/2 W: 82 dBA
1 W: 85 dBA
2 W: 88 dBA
Temperature range 32°F to 100°F or 0°C to 38°C
Humidity range 10% to 95% RH from 32°F to 122°F or 0°C to 50°C
Export Info
Harmonized Tariff Code (HTC)85311001

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