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Amphenol Sine Systems A Series™ Family of Connectors

Our A Series™ Family of sealed, heavy-duty, multi-pin, plastic or metal connectors include a wide range of products serving many industries. The connectors offer a high-performance, cost-effective solution for use in Heavy Equipment, Agricultural, Automotive, Military, Alternate Energy, and other interconnect architectures.

  • Plastic or Metal Housing Body Options
  • IP Ratings Range of IP65-69K
  • Wide Range of Accessories and Modifications Available
  • Cable Assembly Options
  • Customized Solutions Available
  • Comparable with existing standard products industry-wide
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934 Products

    AT04-2P-MM01
    Data Sheet
    AT04-2P-MM01 Amphenol Sine Systems
    2-Way Receptacle, Male Connector with Reduced Diameter Seal (E-Seal) and End Cap, Grey
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    In Stock: 2329
    Immediately
    50
    $0.908
    250
    $0.736
    1,000
    $0.647
    3,000
    $0.596
    5,000
    $0.592
    AT04-4P-BLK
    Data Sheet
    AT04-4P-BLK Amphenol Sine Systems
    4-Way Receptacle, Black Male Connector
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    In Stock: 1124
    Immediately
    25
    $0.813
    250
    $0.729
    600
    $0.722
    1,200
    $0.717
    3,000
    $0.714
    AT04-4P-BLU
    Data Sheet
    AT04-4P-BLU Amphenol Sine Systems
    The AT04-4P-BLU is a 4-position, rectangular, heavy-duty connector from the Amphenol A Series, distinguished by i ...
    VIEW PRODUCT
    On Order: 2750
    Ships 9/7/26
    25
    $1.308
    250
    $1.118
    600
    $1.042
    1,200
    $0.988
    3,000
    $0.926
    AT04-4P-EC01
    Data Sheet
    AT04-4P-EC01 Amphenol Sine Systems
    4-Way Receptacle, Male Connector with End Cap, Grey
    VIEW PRODUCT
    In Stock: 1532
    Immediately
    25
    $1.158
    250
    $0.808
    600
    $0.791
    1,200
    $0.766
    3,000
    $0.749
    AT04-4P-GRN
    Data Sheet
    AT04-4P-GRN Amphenol Sine Systems
    4-way Receptacle, Male Connector, Green
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    In Stock: 600
    Immediately
    25
    $1.297
    250
    $1.114
    600
    $1.037
    1,200
    $0.950
    3,000
    $0.885
    AT04-4P-KIT01
    Data Sheet
    AT04-4P-KIT01 Amphenol Sine Systems
    4-Way Pin Receptacle, Wedge and Contacts Kit
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    On Order: 520
    Ships 9/14/26
    40
    $4.74
    80
    $4.66
    120
    $4.58
    280
    $4.49
    520
    $4.43
    AT04-4P-MM01
    Data Sheet
    AT04-4P-MM01 Amphenol Sine Systems
    4-Way Receptacle, Male Connector with Reduced Diameter Seal (E-Seal) and End Cap, Grey
    VIEW PRODUCT
    In Stock: 215
    Immediately
    On Order: 1200
    Ships 11/6/26
    25
    $2.65
    250
    $1.74
    600
    $1.69
    1,200
    $1.64
    3,000
    $1.50
    AT04-4P-R1K2K
    Data Sheet
    AT04-4P-R1K2K Amphenol Sine Systems
    4-Way, Receptacle, 1.2K & 2.7K Ohm Resistor, NI Pins, Wedgelock, Grey
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    In Stock: 60
    Immediately
    5
    $13.85
    25
    $12.10
    50
    $11.32
    100
    $10.96
    300
    $10.62
    AT04-4P-RD01
    Data Sheet
    AT04-4P-RD01 Amphenol Sine Systems
    4-Way Receptacle, Male Connector with Reduced Diameter Seal (E-Seal)
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    In Stock: 1226
    Immediately
    25
    $0.938
    250
    $0.741
    600
    $0.729
    1,200
    $0.697
    3,000
    $0.695
    AT04-4P-RD01BLK
    Data Sheet
    AT04-4P-RD01BLK Amphenol Sine Systems
    4-Way Receptacle, Black Male Connector with Reduced Diameter Seal (E-Seal)
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    In Stock: 210
    Immediately
    MANUFACTURER STOCK 1800
    Ships 8/28/26
    25
    $1.436
    250
    $1.238
    600
    $0.925
    1,200
    $0.922
    3,000
    $0.920