Model K4-1-SC-460-230 Air Alarm

Lead Time: 6-8 Weeks

Model K4-1-EN-H-120 Air Alarm is designed for an area warning radius of up to 6 kilometers.

Model K4-1-EN-H-120 Air Alarm is designed for an area warning radius of up to 6 kilometers. This omni directional horn has durable, solid cast aluminum bell construction and stainless steel diaphragm disc. The K4-1-EN-H-120 includes a self-contained weatherproof air compressor assembly. This eliminates the need for an external air compressor and association piping. Typical applications include: Open pit mine, blasting signal, school, factory warning, pulp and paper mill, refinery warning etc.
 
  • Single tone, 311 Hz fundamental frequency, engineered to produce full harmonic contents up to 12 octave in order to enhance warning effectiveness
  • Ideal for high-noise industrial areas
  • Fully enclosed and heated weatherproof air compressor assembly included
  • Heaters are thermostatically controlled, 300 watts / 120 VAC
  • Energy efficient with hermetically sealed stainless steel diaphragm assembly
  • Constructed of high strength cast aluminum and stainless steel fasteners
More Information
Heated? Yes
Power Type Electric
Coverage Area 6 KM / 4 Mile
Additional Specifications

Control: 460 3 PH 60 Hz, (requires external motor starter)
SPL (Loudness) on Total: 140 ± 1 dBA @ 1 meter
Audibility: 6 km/4 miles on still air
Fundamental Frequency: 311 Hz ± 10 Hz
Tone (Musical Note): D4 sharp
Operating Temperature: -40ºC to +85ºC [-40ºF to +185ºF]
Finish: Painted red and grey epoxy
Degree of Protection: IP 54
Basic Dimension: 914x690x745mm [36x27x29.5”]
Net Weight: 113 kg [250 lbs.]