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A Series

Plastic Connectors Amphenol Sine Systems

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Plastic Rectangular & Circular Connectors

Our A Series™ is a line of heavy duty plastic rectangular & circular connectors, which include AT, ATP, ATM and AHD Series™, and have key placement in all areas of Heavy Duty Equipment, Agriculture, Marine, Automotive, Military, Alternative Energy and other demanding interconnect applications. Based on our superior build quality, high-performance capabilities and having been developed to be compatible with all other existing standard products industry-wide, our A Series™ products are perfect alternatives for you.

We can custom design, engineer and manufacture cable assemblies to your exact customer specifications and produce large or small quantities, all to the highest standards, delivered on-time and in-specification, all with a significant cost-savings over the competition.

By combining locally-based Program Management & Engineering, along with the associated cost advantages derived from manufacturing in our low-cost production centers in North America and Asia, our Team will work with you to design the most cost-efficient and reliable interconnect system available.

Product Line Overviews

Amphenol’s plastic rectangular & circular connectors encompass a wide range of products serving a variety of industries. With applications in Heavy Duty, Transportation, Marine, Diagnostic, Military, Alternative Energy and Agricultural industries, as well as spanning the gap between controlled to harsh environmental conditions, our A Series™ connectors keep you connected with confidence. While our mission is to always provide the best economic alternatives to today’s existing standard connector markets, it is through our constant efforts to improve on those standard products that truly display our innovative product designs.



  • AT Series AT Series
    2, 3, 4, 6, 8, 12 and 18 positions available

    • 14-20AWG, 13A, Size 16
    • High-performance, cost-effective
    • Superior environmental seal retention
    • Compatible with existing standard products industry-wide

  • ATM Series ATM Series
    2, 3, 4, 6, 8 and 12 positions available

    • 16-22AWG, 7.5A, Size 20
    • High-performance, cost-effective
    • Superior environmental seal retention
    • Compatible with existing standard products industry-wide

  • ATP Series ATP Series
    2 and 4 positions available

    • 10-14AWG, 25A, Size 12
    • High-performance, cost-effective
    • Superior environmental seal retention capabilities
    • Compatible with existing standard products industry-wide

  • AT BoardLock AT BoardLock
    2, 3, 4, 6, 8, 12 and 13 positions available

    • 13 Positions (power & signal) Size 12, 25A; Size 16, 13A
    • Environmentally sealed thermoplastic connection system
    • Perfect for power or data signal applications
    • Compatible with existing standard products industry-wide

  • AT/ATP PanelMate AT/ATP PanelMate
    2, 3, 4, 6, 8, 12 Position / Size 16, 13A
    13 Position / Size 12, 25A; Size 16, 13A

    • 10-14AWG, 25A, Size 12
    • Environmentally sealed thermoplastic connection system
    • One piece sealed flange design for rapid and secure mounting

  • Modifications Modifications
    Examples of Available Options

    • AT-SR01 & AT-SR02 Series™ Strain Relief Modifications
    • End Cap/Rear Seal Modifications
    • J-1939 Modifications - Plug, Receptacles & Wedgelocks
    • Flange Mount Receptacle Modifications
    • Plug & Receptacle Body Color Modification

  • AHD Series AHD Series
    6 and 9 positions available

    • 6 Position: 10-14AWG, 25A, Size 12
    • 9 Position: 14-20AWG, 13A, Size 16
    • High-performance, cost-effective
    • Ideal for controlled/uncontrolled environmental conditions
    • Compatible with existing standard products industry-wide

  • AHDP Duramate AHDP Duramate
    Available in Size 24 with 9,18,19, 21,23,27,29,31,35 and 47 Insert Arrangements, Available in Size 18 with 14 Insert Arrangement

    • Polarized for proper mating of connector halves
    • High density signal and mixed power insert configurations
    • High Current configurations incorporating RADSOK contacts
    • IP69K - waterproof in mated condition

  • ATHP Magnamate ATHP Magnamate
    2 positions

    • 1000 Volts
    • 8mm or 2.5mm Power contact
    • Features Amphenol's Radsok Technology
    • IP67 Rated

  • HydroNet HydroNet
    Multi-Hub Adapter

    • Powers the NMEA network in a rugged compact and environmentally sealed package

  • A Series Custom Products A Series Custom Products
    Examples of custom the options available

    • Adapter, 6/12 Pin to RJ45
    • LED Option
    • AHD™ Jam Mount Diagnostic Receptacle
    • AHD Series™ Unsealed Diagnostic Receptacle
    • AT Series™ Terminating Resistors and Diodes
    • Custom Cable Assemblies