DEI® Polarization Cell Replacement for Hazardous Locations (PCRH)
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Dairyland Electrical Industries has served the energy, corrosion, and electrical service industries since 1983, with innovative solid-state products for isolation, grounding, and lightning protection.

DEI® Polarization Cell Replacement for Hazardous Locations (PCRH)

DEI offers two versions of the PCR for addressing hazardous (classified) locations: the standard PCR for Class I, Div 2 and Zone 2 areas, and the PCRH for Class I, Div 1 & 2 areas.

Having been fully tested and listed by Underwriter’s Laboratory (UL) to the US and Canadian standards, the device carries the UL mark and C-UL (Canada) mark. No other known company offers decouplers with third-party listings for hazardous locations.

  • UL, C-UL listed explosion-proof design: unique to the industry
  • Uses the same solid-state internal construction as our industry standard PCR
  • Listed for use in Division 1 & 2 areas, Groups C, D
  • Listed as an "effective grounding " per the NEC and CSA grounding standards
  • Offered with optional customized lead kits
  • Maintenance-free solid-state design