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ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A

Xi'an Xigao Electricenergy Group Co., Ltd.
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    Buy cheap ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A from wholesalers
     
    Buy cheap ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A from wholesalers
    • Buy cheap ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A from wholesalers
    • Buy cheap ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A from wholesalers
    • Buy cheap ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A from wholesalers

    ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A

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    Brand Name : XG
    Model Number : ZN28
    Certification : ISO,CCC
    Price :
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 2000 SET
    Delivery Time : 3-7 DAYS
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    ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A

    ZN28A Series Indoor AC Vacuum Circuit Breaker 24KV 12KV 1250A-2150A Price


    1.Description of ZN28A Series Indoor AC Vacuum Circuit Breaker


    ZN28(A)-12 series vacuum circuit breaker is an indoor high voltage switch with rated voltage 12KV, 3 phases AC 50Hz. This type circuit breaker is vacuum type, it is new style in global market.

    This vacuum circuit breaker conforms to the standard GB1984-89 .

    This vacuum circuit breaker can match in use with CD17,CD10A Model DC magnetic operating mechanism or CT17 and CT19 model spring energy storage operating mechanism.


    2.Parameter of ZN28A Vacuum circuit breaker


    No.ItemUnitData
    1Rated voltageKV12
    2Rated insulation voltageV42,75
    3Rated currentA630,1250,1600,2000,2500,3150
    4Rated short-circuit close current(peak value)KA20,31.5,40
    5Rated operation orderoff--0.3s on and off--180S-on and off
    6Rated short-circuit Breaking current timestimes30(50),20(30)
    7Rated Impulse withstand voltageKA50,80,100
    84S Heat steady e.c.A20,31.5,40
    9all opened and broke timems≤100
    10Mechanical life-spantimes10000
    11cumulated thickness of the moving and stationary contactmm3
    12Oil buffer buffers the journeymm10

    3.Environmental condition


    Relative humidity: daily average ≤95% , monthly average ≤90% ;

    Earthquake intensity: 8 degree;

    Altitude: ≤1000m;

    Ambient temperature: -25°C ~+40°C ;

    It should work in occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration.


    4.Technical diagram



    5.Production line


    6.After service



    7. FAQ


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    Quality ZN28A Series Indoor AC Vacuum Circuit Breaker 12KV 1250A for sale
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