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AU-610-VCS Explosion - Proof

The Signal Communications AU-610-VCS Series Explosion-Proof Amplified Speakers are high performance, ruggedly constructed amplified speakers capable of producing high intelligibility voice and signal reproduction. Designed for hazardous and corrosive environment signaling the AU-610-VCS Series has many applications.

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  • Online Certifications Directory

  • Comply with NFPA 72 & 101
  • Adjustable 0 to 15 Watt Output
  • Up to 110 dBA @ 10 ft
  • 25 or 70 VRMS
  • Low Speaker Circuit Loading
    • (0.064 Watts)
  • Explosion Hazard Classifications
    • Class I Groups B, C and D
    • Class I Groups C and D
AU-6x1-VCS:UL Listed for Fire Alarm Service
AU-6x2-VCS, -6x3-VCS:UL Listed for General Signaling
Output:Adjustable Up to 110 dBA @ 10 ft.
Signal:25 VRMS (70 opt.)
Frequency:300 to 3,000 Hz
Impedance:10K Onms
AU-6x1-VCS:24 VDC
AU-6x2-VCS:120 VAC
AU-6x3-VCS:240 VAC
Housing:Cast Aluminum Explosion-Proof
Machine Surfaces for Cooling
Temperature:32° - 156°F (0° - 70°C)
Cobra-Flare Wide Angle:Fiberglass (120° x 60° sound dispersion pattern)
16" Dia. Circular Bell:Spun Aluminum Reentrant Horn (95° sound dispersion pattern)
Finish:Baked Grey Epoxy
Wiring:Wire Leads, Factory-Sealed

Audio input to the AU-610-VCS Series is taken directly from a supervised speaker circuit operating at 25 VRMS or 70 VRMS. Input load on the speaker circuit amplifier is a mere 0.064 Watts. With such a low wattage load many AU-610-VCS Series Explosion-Proof Amplified Speakers can be accommodated on a single (common) speaker circuit loop.

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