EIH and EIHT Series Explosionproof Instrument Enclosures

EIH  and EIHT Explosionproof Instrument Enclosures are used:

  • To enclose instrumentation and control devices such as two-wire transmitters, flow measurement devices, temperature controls, level detectors, pressure switches, etc.
  • As an outlet box for pulling and splicing conductors
  • In hazardous, abusive and wet locations
  • To provide access to conductors for maintenance and future system changes
Hub Size 3/4"
Cover Sizes and Types 2" standard, 2" glass lens, 4" dome, 4" glass lens (EIH); 2" blank, 2" glass lens, 4" blank, 4" glass lens (EIHT)
Body and Cover Material Copper-free aluminum
Glass Lens Material Heat tempered glass
Gasket Material Neoprene
Standard Finish Corro-free™ epoxy powder coat (gray)


  • 3/4" offset through feed hubs offer maximum interior space and greater working area
  • 2" and 4" deep covers, solid or with glass lens
  • Internal mounting pads for instrument mounting
  • Internal ground screw for safe, continuous grounding
  • Neoprene gasket provides a watertight seal for NEMA/EEMAC 4 and UL/CSA Type 4 applications
  • Wrenching lugs permit easy cover removal and tightening
  • Internal cover threads provide additional space inside body
  • External boss is suitable for drilling and tapping an additional conduit entry
  • Two separate chambers for isolation of power supply and instrument*
  • 3/4" hub on instrument side*
  • Third party certified for drilling enclosure wall between instrument and power side*


*EIHT only.