Specifications Manual
  • Overview
  • Features
  • Additional Information
  • Features Detail
  • Specifications
  • Manufacturer
  • The Federal Signal 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, the Model A is still used today in many rugged and extreme environments and applications.



  • - Available with 120VAC/VDC universal motor
    - Rugged, durable and corrosion resistant
    - Maintenance free
    - Produces 103dBa @ 10` (113dBa @ 1m)

  • Model A Electro-Mechnical Siren features a universal motor and operates with 120VAC or 125VDC. The fractional horsepower motor 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 recommended duty cycle is five minutes on/five minutes off. This siren produces an attention getting 103dBa @ 10′ (113dBa @ 1m) and 1060Hz at full R.P.M.

    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.

    Model A is UL and cUL Listed and FM Approved.

    • Produces 103dB @ 10′ (113dB @ 1m)
    • Type 3R enclosure
  • For complete specifications please download the Specification Sheet.

  • Federal Signal

    When it comes to safety, security and effective communications for the most hazardous environments, the most demanding applications, Federal Signal stands out as your best source for total industrial solutions. The Federal Signal product line is universally recognized as both the broadest and deepest in the industry. Audible and visual signaling. Outdoor warning. Intercoms. Public address. Telephony. Initiating systems. Fire alarms. Uninterruptible power supplies. And more. In terms of comprehensive product coverage, no one beats Federal Signal. They don’t even come close.