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CJ19t Normalizing Special Series Switching Capacitor Contactor

CJ19t series capacitor changeover contactor (hereinafter referred to as the contactor)is mainly used in the electric power circuits with the frequency of AC 50Hz(or 60Hz)and the rated working voltage of up to 400V for putting the low-voltage reactive power compensation equipment into operation or cutting off the low-voltage shunt capacitors.
The contactor is equipped with the inrush current suppression device,which can effectively reduce the impact of the closing inrush current on capacitors and suppress the over voltage during breaking.

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    Overview

    CJ19t series capacitor changeover contactor (hereinafter referred to as the contactor)is mainly used in the electric power circuits with the frequency of AC 50Hz(or 60Hz)and the rated working voltage of up to 400V for putting the low-voltage reactive power compensation equipment into operation or cutting off the low-voltage shunt capacitors.
    The contactor is equipped with the inrush current suppression device,which can effectively reduce the impact of the closing inrush current on capacitors and suppress the over voltage during breaking.
    product details

    Type and meaning

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    Type and meaning

    Annotation:
    1.The number of auxiliary contacts is represented by two digits, of which the tens digit is the logarithm of normally open contacts, and the units digit is the logarithm of normally closed contacts.
    2. For AC-6b 400vAT, the rated working currents corresponding to various specification codes are 25(18A), 32(24A),43(29A),50(36A,63(48A),95(58A), 125(87A).

    Normal working conditions and installation conditions

    □The ambient air temperature should not exceed +40°C, with the average temperature of no higher than +35°C within 24 hours.The lower limit of the ambient air temperature should be -5°C: When the highest temperature is +40°C, the relative humidity of the air should not be higher than 50%: A higher relative humidity is allowed at a lower temperature.
    □The altitude of the installation site should not exceed 2000m;
    □Pollution level: level 3:
    □Installation category: category I;
    □Installation condition: the inclination between the installation surface of the contactor and the vertical plane should not exceed 5°.
    □Impact and vibration: the product should be installed in a place without obvious shaking, impact and vibration.

    Installation wiring diagram

    For the schematic diagram of wiring of CJ19t series,please refer to Fig.1.

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    L1~L3 should be connected to the power supply side;T1~T3 should be connected to the load side.

    Main parameters and technical performance

    CJ19t

    25

    32

    43

    63

    95

    115

    150

    170

     

    Rated insulation voltage(Ui)V

    500V

    690V

     

    Rated  working  vòltage(Ue)V

    220V/240V、380V/400V

    Controllable capacitor

    Capacity(Qn)Kva

    220V

    6

    9

    10

    15

    28.8(240V)

    34.5(240V)

    46(240V)

    52(240V)

    380V

    12

    18

    20

    30

    50(400V)

    60(400V)

    80(400V)

    90(400V)

    Conventional free air thermal current Ith

    25

    32

    43

    63

    63

    200

    200

    275

    Rated working current(AC-6b)le A

    17

    23

    29

    43

    43

    87

    115

    130

    Inrush current suppression capability

    20le

    Control power supply voltage UsV

    110、127、220、380

    Auxiliary contact

    AC-15:360VA DC-13:33W Ith:10A

    Operating  frequency  times/h

    120

    Electrical  endurance  10,000  times

    10

    2

    Mechanical endurance 10,000 times

    100

    300

    Dimensions and type

    Outline dimensions

    Installation dimensions

     

    A

    B

    C

    D

    A

    B

    φ

    Card gauge

    CJ19t-25

    76

    47

    125

    120

    35

    50/60

     

     

    4.5

     

     

    35

    CJ19t-32

    86

    58

    135

    130

    40

    50/60

    CJ19t-43

    86

    58

    135

    130

    40

    50/60

    CJ19t-63

    128

    79

    156

    150

    40

    100/110

     

     

    6.5

     

     

    35/75

    CJ19t-80

    128

    87

    160

    200

    40

    100/110

    CJ19t-95

    128

    87

    160

    200

    40

    100/110

    Outline and installation dimensions

    The contactor may be installed by screws or card track.
    fgerv3
    Diagram of outline and installation dimensions of CJ19t-25,32,43

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