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Circular Connection System for Harsh Environments

Delphi Launches HES Series

Dee Electronics is very pleased to announce that the Harsh Environment Series is now available, and product is on the shelf.  You can now replace your heavy duty plastics with a new and improved product that is a drop-in replacement!

The Delphi Harsh Environment Series (HES) Connection Systems include circular connectors, terminals, and a J1939 diagnostic circular connector.  The 24 shell size industry standard connector includes six terminal configurations (47, 31, 29, 23, 21, and 19), and is offered with and without back shells.  Delphi’s circular connection systems are available with straight and right angle conduit wire dress covers, on both receptacle and plug assemblies.

The HES connection systems provide higher current capability, improved sealing, higher terminal retention and a significant cost advantage compared to standard pin-and-sleeve systems.  Also, Delphi HES Connection Systems are compatible with existing systems in the commercial and agricultural vehicle markets.


  • Contact (terminal) performance
    • Allows maximum ratings compared to existing systems
    • Stainless Steel sleeve provides stability and protection to contact interface area
    • Overlapping wing design provides exceptional strain relief and larger outside diameter cable range capability
    • Tin in crimp area results in superior crimp stability over life
    • Crimps designed to accommodate a wide range of cable sizes
  • Sealing performance
    • Recessed ribs maintain sealing properties if a tight wire dress is applied
    • 3-rib design provides up to 50% better sealing capability compared to existing designs
    • Environmentally sealed to IP67
  • Contact (terminal) retention performance
    • Robust, specialized finger design virtually eliminates terminal unseats
    • Can provide up to 40% better terminal retention when compared to existing designs
  • Interchangeability
    • Male pin and female sleeve terminal cavity compatible with all industry pin and sleeve connections
    • Validated for interchangeability with industry standard products
    • Frontward/backward compatibility
    • Interchangeable cavity plugs
    • Both straight and right angle wire dress covers
  • Ergonomics
    • Arrows help simplify pre-engagement of locking nut for simplified mating
    • Window provides visual verification of lock engagement
    • Color coded seals to distinguish between various cable diameters as well as terminal gender
    • Cavity indentifications on mating and plugging ends of both receptacle and plug assemblies
    • Terminals and seals designed for easy insertion
  • Robust Construction
    • Rugged construction to withstand harsh enviornments
    • Sonic welded design provides 360 degrees of contact to withstand high vibration to meet SAE J2030 standards
    • Wave spring included to ensure face seal compression and lock retention
  • Validated to SAE J2030 and various other customer specifications

Typical Applications

Delphi Harsh Enviornment Series Connection Systems are suited for the following industries:

  • Agriculture
  • Commercial vehicle
  • Construction
  • Marine
  • Other harsh enviornment applications

They are ideally suited for making connections in a vehicle sheet metal firewall pass-through location.  They are especially useful in engine compartments, though they are intended for use in any high density, in-line application.  They can also be tailored to meet individual customer specifications.

HES offers 6 different industry standard connection system options, as well as conduit backshells.  The terminals have been produced to require less insertion force than competitors.  See for yourself; Fast Free Samples to you in 7 days or less, or we pay you $10.00!

For more information on Delphi solutions, please send an email to MyFeedback@dee-inc.com.  DEE is a Trusted Supplier and Expert in providing Cost Savings, Fast Multiple Solution Options, Supplier Reduction, and Time Savings.  We Help Manufacturers Find Solutions and Exceed Their Goals.™

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