Whelen Engineering Alpha Siren Series

Item Code: ALPHA12S
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    Economy priced ALPHA Sirens deliver 100 watts of siren warning power, HANDS-FREE operation, multiple warning tones and horn ring over-ridecapability. ALPHA Sirens allow easy set-up and configuration to meet local requirements without special ordering. (Not for Motorcycle Use)


  • Five siren tones, dip switch accessable allows instant configuration of popular operating features.
  • Operates one 100 Watt siren speaker.
  • Compact design is easy to install underdash, in a console or in a rack.
  • Compact design is perfect for undercover and volunteer applications.
  • Control siren tone through horn ring or separate switches.
  • Hands-Free operation lets you cycle through two or three siren tones using horn or auxiliary control.
  • Meets Class A requirements with most 100 watt speakers.
  • Harmonically rich composite Air Horn tones.
  • Output open/short circuit protection.
  • Easy to install. Pre-wired with quick disconnect plugs for easy service and fast replacement.
  • 12 VDC.
  • 24 Month Warranty.

  • Specifications:

  • Input Coltage: 10-16 VDC
  • Polarity: Negative ground
  • Polarity Protection: Diode / Fuse
  • Output Power: 100 Watts
  • Output Load: One 11 0HM

  • Speaker:

  • Input Current(OFF): 0 ma
  • Input Current(SIREN ON): 8 amps (max)
  • Standby Current: 10 ma (max)
  • Fuse: 10 amp auto fuse
  • Fuse Mounting: Spade type, inline connector
  • Output Short Protection: Fuse
  • Horn/Ring Control: +12VDC or ground
  • Weight: 2.2 lbs /1 kg
  • Operating Temperature: -30 degrees C TO +60 degrees C
  • Operating Humidity: 0-95% Non-condensing

  • Dimensions: 2 1/2"(H) x 6"(W) x 4 5/8"(D)
    Whelen Engineering Alpha Siren Series
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    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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