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20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type

    Buy cheap 20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type from wholesalers
     
    Buy cheap 20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type from wholesalers
    • Buy cheap 20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type from wholesalers

    20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type

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    Brand Name : KNKONG
    Model Number : VS1-12
    Certification : CB,ISO,IEC
    Price : USD 1000-2000 Each
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 1000 Unit per month
    Delivery Time : 15 working days
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    20KA Breaking Indoor Switchgear VCB Circuit Breaker Fixed Type

    12KV 2000A fixed type indoor VCB 205 phase spacing VS1-12

    Voltage: 12KV

    Current: 2000A

    Breaking current: 20KA

    Type: Fixed

    Phase spacing: 205


    Product overview

    The vacuum circuit breaker is suitable for 12kV, three-phase AC 50Hz indoor switchgear, and can be used as a protection and control unit for substation equipment in industrial and mining enterprises. The spring operating mechanism of VS1 series circuit breaker adopts modular and independent frame design, which can be operated with KYN28-12(24) central and fixed switchgear. These circuit breakers can be fixedly installed or assembled with a truck as a trolley unit


    VS1-Series circuit breakers are Class M2.c2 and E2 model

    Vs1-Series circuit breaker is available for the environment. Maintenance-free and capable of frequent operation. Compared with traditional circuit breaker products. These breakers have their mechanical endurance raised to 20 000 ops from 10, 000 ops with an enormous improvement. The type test for capacitive current breaking shows an extraordinarily low restrike probability. These products feature prolonged electrical endurance and free maintenance.


    Technical Parameters

    No.ItemUnitParameter
    1Rated voltageKV12
    2Rated frequencyHz50/60
    3

    Rated insulation level

    1min power frequency withstand voltage(r. m. s)

    KV

    42(phase-to-phase, phase-to-earth)

    48(across the isolating distance)

    Lighting impulse withstand voltage (peak)

    75(phase-to-phase, phase-to-earth)

    85(across the isolating distance)


    4


    Rated current


    A

    63063012501600
    1250125016002000
    20002500
    25003150
    4000
    5Rated short-circuit breaking current

    KA

    202531.540
    6Rated short-time withstand current202531.540
    7Rated short-circuit marking current506380100
    8Rated peak withstand current506380100
    9Rated duration of short-circuits4
    10Rated operating sequenceO-0.3s-O/C-180s-O/C
    11Breaking times of rated short-circuit currentTimes30/20 times(40KA)
    12Mechanical enduranceOps20000
    13Rated single capacitor bank breaking current

    A

    630
    14Rated back-to-back capacitor bank breaking current400
    15Double-earth fault breaking current27.4
    16Allowable maximum contact erosion

    mm

    3
    17Clearance between open contacts10±1
    18Over stroke3.5±0.5
    19Non-simultaneity of 3-phase opening and closing

    ms


    ≤2
    20Bounce duration of contact closing≤2
    21Average breaking speed (instant breaking 6mm)

    m/s


    1.1±0.2
    22Average making speed0.8±0.2
    23Making time

    ms


    ≤100
    24Breaking time≤50

    25


    Resistance of each phase main circuit


    μ Ω

    630A≤50
    1250A≤45
    1600A~2000A≤35
    ≥2500A≤25
    26Contact breaking bounce amplitudemm≤2

    27

    Rated operating voltageRated operating voltage(V)AC/DC

    V

    24*110220
    Scope of normal operation voltageOpening:65%-120% rated voltage, in case the voltage is lower than 30% rated voltage, opening operation is not allowed
    28Rated voltage of energy storage motorVAC110/220,DC110/220
    29Energy storage timeS≤15


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