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CJX1 (3TB) Series AC Contactors 9-400A 380V AC-3

Optimize your electrical infrastructure with the CJX1 (3TB) Series AC Contactor. This device provides reliable control for AC motors and heavy-duty loads. It features a rated operational current capacity of 9A to 400A at 380V (AC-3). The unit supports 50/60Hz frequencies and withstands rated voltages of 690-1000V. Ideal for frequent switching operations, it handles reversing control and circuit interruption efficiently. Manufacturers trust this series for its adherence to international quality benchmarks, including IEC 947, VDE 0660, and GB 14048 specifications.

    Operating Conditions

    1.The altitude of the site of installation does not exceed 2000 meters above sea level;
    2.The ambient air temperature: -25~+55℃;
    3.Relative humidity does not exceed 50% at +40℃ and 90% at +25℃.
    4.Atmospheric conditions: the air does not contain any explosive medium, corrosive gases and conductive dust;
    5.Never be shocked and vibrate obviously;
    6.Never be wetted by rain and snow.

    Technical Parameters

    Type CJX1-9
    3TB40
    CJX1-12
    3TB41
    CJX1-16
    3TB42
    CJX1-22
    3TB43
    CJX1-32
    3TB44
    Rated insulation voltage (V) 660  660  660  660  660 
    Rated operational current (380V) (A) AC-3 12  16  22  32 
    AC-4 3.3  4.3  7.7  8.5  15.6 
    Rated outputs of three-phase motors at 50Hz (KW) AC-3 230/220V
    400/380V
    500V
    690/660V
    1000V
    2.4
    4
    5.5
    5.5
    -
    3.3
    5.5
    7.5
    7.5
    -
    4
    7.5
    10
    11
    -
    6.1
    11
    11
    11
    -
    8.5
    15
    21
    23
    -
    AC-4 400/380V
    690/660V
    1.4
    2.4
    1.9
    3.3
    3.5
    6
    4
    6.6
    7.5
    13
    Mechanical endurance (×10⁶) 10  10  10  10  10 
    Electrical endurance (×10⁶) AC-3 1.0  1.0  1.0  1.0  1.0 
    AC-4 0.2  0.2  0.2  0.2  0.2 
    Switching frequency (1/h) AC-3 1000  1000  750  750  750 
    AC-4 250  250  250  250  250 
    Coil voltage tolerance (0.81.1) Us
    Power consumotion of coil (50Hz) (AC) Closed (VA) 10  10  10  10  10 
    Power Factor (p.f.) 0.29  0.29  0.29  0.29  0.29 
    Closing (VA) 68  68  68  68  68 
    Power Factor (p.f.) 0.82  0.82  0.82  0.82  0.82 
    Convention althermal current (A) 20  20  30  30  45 
    Conventional thermal current of auxiliary contacts (A) 10  10  10  10  10 
    Rated operational current of auxiliary contacts (A) AC-15 380/220V 6-10 6-10 6-10 6-10 4-6
    Weight (kg) 0.43  0.43  0.49  0.49  0.7 
    Order No.suffixes for rated control voltages for coils (AC)
    3TF40…-0X□□
    3TF44…-0X□□
    Coil for 50Hz
    AC V
    Coil for 50Hz/60Hz
    AC V
    24        B0
    42        D0
    110       F0
    220       M0
    230      UO
    380      Q0
    24        C1
    42        D1
    110        G1
    220        P1
    240        R1

     product Display

    cjx2-d-ac-contactor-right-view
    cjx2-d-ac-contactor-top-view

    3TB40-3TB44 Outline and Installation Dimension

    CJX2-D-4
    Type a b c d e f g
    3TB40,3TB41 79  60  46  35  *90 106 7.5  Φ5
    3TB42,3TB43 89  75  46  35  116  Φ5
    3TB44 90  75  74  50  109  Φ5

    * Size 90 is suitable for 3TB4010, 3TB4001, 3TB4110, 3TB4101
    Size 106 is suitable for 3TB4011, 3TB4022, 3TB4111, 3TB4122

    Permissible Mounting Position

    The contactors are designed for operation on vertical mounting surface.

    CJX2-D-4