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® Marine Galvanic Isolator (GI)

All DEI Galvanic Isolators (GI) are fail-safe, solid-state DC isolation/AC coupling devices with ratings and characteristics that significantly exceed those of all known galvanic isolators designed for marine applications.

The proven fail-safe construction assures that the galvanic isolator never compromises the integrity of the grounding conductor, even in the unlikely case of the product failing.

  • Fail-safe construction featuring Fail-Safe Plus™ and Fail-Safe Max™ technology
  • Highest AC fault current ratings available
  • Ignition protected
  • Maintenance-free solid-state design
  • Rated for high levels of lightning current
  • Isolation to 1.1V galvanic potential difference
  • Very low DC leakage current allowed
  • Ratings and performance exceeds requirements of all proposed revisions to ABYC A-28
  • No Monitoring System Required
  • Maintenance-free solid-state design