Model A General Alarm Siren – SOS Safety International Inc.

Model A General Alarm Siren

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Model A General Alarm Siren

  • Available with 120VAC/DC universal motor
  • Rugged, durable and corrosion resistant
  • Maintenance-free
  • Produces 103 dBa @ 10′ (113 dBa @ 1m)
  • Type 3R enclosure
  • UL and cUL Listed
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Model A is a general-purpose electro-mechanical siren that produces a distinctive sound and tonal quality for industrial applications. It has a high maximum pitch which provides excellent contrast to industrial ambient noise. Introduced in 1918, Model A is still used today in many rugged and extreme environments and applications.
The fractional horsepower motor on Model A drives a ported aluminum rotor within the specially designed stator to produce a unique sound. A small internal fan cools the motor during operation. The duty cycle is five minutes on/five minutes off.
Model A’s metal housing is sealed with red powder coat for an attractive appearance and superior corrosion-resistance. The swivel mount bracket accommodates wall and surface mount installations.


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