Guardian Telecom’s EXP-A Explosion Proof Page/Talk Amplifier is designed to deliver safe, reliable, cost effective industrial communications in Class I and Class II Division 1 areas without the need for a paging station.

Class I and Class II Division 1 areas are deemed to be hazardous due to the presence of flammable gasses, vapors, dust or fibers.

Individuals can be paged from any station and two or more people can communicate simultaneously on any available talk line.

Product Features

  • Approved for Class I and Class II, Division 1 hazardous areas
  • Water tight and dust tight, NEMA 4X (IP56) explosion proof enclosure
  • Cast aluminum base and faceplate (copper free)
  • Durable powder coat paint (standard color shown)
  • Power supply 24 VDC or 24/120/230 VAC
  • 4 – 16 Ohm speaker compatible
  • Monitors ambient noise and adjusts speaker volume automatically
  • Removable screw and plug Combicon connectors allow for ease of installation
  • Four models to select from
    • EXP-A Amplifier Station, 120 VAC – Order number: P5982
    • EXP-A Amplifier Station, 230VAC – Order number: P5987
    • EXP-A Amplifier Station, 24VAC – Order number: P5988
    • EXP-A Amplifier Station, 24VDC – Order number: P5989


  • Ambient noise level sensor
  • Ambient noise level sensor