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Hazardous & Non-Hazardous Area Telephones, Paging Equipment & System Solutions  –  Connected. Protected.
Products ---> Analog Telephones --> Explosion Proof ---> EXT-401
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The EXT-401 Explosion Proof Telephone provides safe and reliable communications for Class I Division 1 and Class II Division 1 areas deemed to be hazardous due to the presence of flammable gasses, vapors, dust or fibers.


Product Features
  Over sized buttons for gloves-on operation
  Corrosion and moisture resistant circuitry
  Intrinsically safe handset with heavy duty cord
  Field replaceable handset and fuse
  Explosion proof, no isolation barrier required
  Copper-free cast aluminum housing
  Temp range -40C to +60C (-40F to +140F)
  Select Models (see data sheet for full line)
     P4011 Basic Telephone (base model)
     P4021 Ring Detect Relay (RDR)
     P4031 Volume Control / Ring Detect Relay

  Chemical Plants
  Aerospace Sites
  Bulk Loading Stations
  Drilling Rigs
  Munitions Storage Areas
  Offshore Platforms
  Nuclear Facilities
  Power Generation Facilities
   and more ...

Standards Compliance
  CSA & UL       CSA 158194 & UL E117495
    Class I, Division 1, Groups B, C and D;
    Class II, Division 1 and 2, Groups E, F and G
    C22.2 No. 30 - M1986 / C22.2 No. 157 - 92
    Intrinsically Safe and Non-incendive Equipment
    for use in Hazardous Locations, Gaseous Mines,
    NRCan Certificate No. 976X
  Industry Canada
    Models with Volume Control 1012 4339 A


CSA 1514630  CSA 1514630     UL WZAT.E117495  UL WZAT.E117495

ISO 9008-2008  ISO 9001-2008