Model KM4-135-EN Air Alarm

Lead Time: 10 Weeks

Kahlenberg Model KM4-135-EN Air Alarm is the largest, most powerful air powered horn assembly available.

Kahlenberg Model KM4-135-EN Air Alarm is the largest, most powerful air powered horn assembly available. This horn assembly is designed to operate in the most severe outdoor applications. It is simply constructed and extremely reliable resulting in a very low cost of use as compared to more complicated means of sound production.
 
  • Fully enclosed and heated air horn for corrosion and weather resistance (available non-heated)
  • Single tone, 135 Hz (other frequencies available)
  • Heaters supplied with thermostat preset to turn on at 4ºC [40ºF] and off at 13ºC [55ºF], 600 watt heating capacity
  • Solenoid valves come standard with explosion proof coil and are available in 120VAC, 240VAC/50-60Hz or 12, 24, 48VDC
  • Designed for arctic freezing conditions
  • Constructed of aluminum with steel supporting frame
More Information
Heated? Yes
Power Type Compressed Air
Coverage Area 16 KM / 10 Mile
Additional Specifications

Operating Medium: Air, nitrogen
Control: Manual & solenoid combination valve
SPL (Loudness): 149 ± 1 dB total @ 1 meter
Air Consumption: 271 L/sec [576 SCFM] @ 8.6 bar [125 PSIG]
Audibility: 16 km [10 miles] in still air
Fundamental Frequency: 135 Hz ± 10 Hz
Tone (Musical Note): C3 sharp
Operating Pressure: 5 – 10 bar [75 – 150 PSI] (higher pressures available}
Operating Temperature: -40ºC to +65ºC [-22ºF to +149ºF]
Finish: Polyurethane Safety Red
Degree of Protection: IP 55
Basic Dimension: 2296x2296x1854mm [90x90x73”]
Net Weight: 265 kg [584 lbs.]