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Proven Solid-State Decoupling Products

Dairyland Electrical Industries has served the energy, corrosion, and electrical service industries since 1983, with innovative solid-state products for isolation, grounding, and protection. Offering the first solid-state solutions to each of these markets, Dairyland remains the leader in the industry around the world. Dairyland's conservative designs lead to the proven long life and maintenance-free operation that industry professionals have come to expect.

Dairyland aggressively pursues independent, third-party certification where electrical or other safety codes apply, providing assured product performance. Examples of such compliance include listings by Underwriter's Laboratories (UL) in the U.S. and Canada for electrical grounding safety codes, and stringent testing for hazardous location use as well. Additional third-party certifications include CE, ATEX, IECEX, EAC, addressing certification requirements for most international markets.

In addition to third-party certification of our products, Dairyland's management processes are governed by strict ISO 9001:2015 requirements ensuring quality processes across the board.  This helps Dairyland provide an exceptional customer experience from our customer service and technical support teams, to outstanding product quality.


Dairyland solid-state decouplers established the technology requirements for protective products in the industry and provide these important features:
  • Fail-safe design
  • Maintenance-free
  • Independent laboratory testing and listing
  • Products listed for hazardous locations
  • Ratings that eclipse and outperform other technologies
  • Reliable product performance
  • Trusted technical support services
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EAC Certified Products
English|Русский Dairyland now offers a wide range of products certified to the EAC requirements of ..
Solid-State Decoupler The Solid-State Decoupler (SSD) uses proven, solid-state construction combi..
Polarization Cell Replacement The Polarization Cell Replacement (PCR) is a solid-state device des..
Over-Voltage Protector Designed to address needs for an explosion-proof protection device,  the O..
Over-Voltage Protector (Division 2) Unlike other "arrester" type over-voltage products, the OVP2 ..
Polarization Cell Replacement for Hazardous Locations Dairyland offers two versions of the Polari..
Gradient Control Mat Personnel working near pipelines can be subject to electrical hazards such a..
Rectifier Disconnect Switch
Rectifiers that serve cathodically protected structures, such as pipelines, can be subject to vari..
Decoupler Isolation Switches
When decouplers are installed on a pipeline for AC voltage mitigation and over-voltage protection, t..
Isolator / Surge Protector The ISP is the original solid-state AC conducting/DC blocking device d..
Variable Threshold Neutral Isolator Since 1983, Dairyland has offered the Neutral Isolator as the..
Galvanic Isolator
All Dairyland Galvanic Isolators (GI) are fail-safe, solid-state DC isolation/ AC coupling devices..