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126KV 252KV SF6 Circuit Breaker For Distribution Power

    Buy cheap 126KV 252KV SF6 Circuit Breaker For Distribution Power from wholesalers
     
    Buy cheap 126KV 252KV SF6 Circuit Breaker For Distribution Power from wholesalers
    • Buy cheap 126KV 252KV SF6 Circuit Breaker For Distribution Power from wholesalers
    • Buy cheap 126KV 252KV SF6 Circuit Breaker For Distribution Power from wholesalers
    • Buy cheap 126KV 252KV SF6 Circuit Breaker For Distribution Power from wholesalers

    126KV 252KV SF6 Circuit Breaker For Distribution Power

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    Brand Name : XG
    Model Number : LW8...
    Certification : ISO,CCC
    Price :
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 2000 SET
    Delivery Time : 7-15 DAYS
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    126KV 252KV SF6 Circuit Breaker For Distribution Power

    126KV 252KV SF6 Circuit Breaker Outdoor Gang Operation For Distribution Power Usage


    1.126KV 252KV SF6 Circuit Breaker

    SF6 circuit breaker is universal range of applications for the electrical system with elevation not greater than 2000m,ambient temperature not lower than -30℃,dirtiness grade not high than IV, alternating current 50Hz and the maximum voltage 126kV.

    It is used for cutting the rated current, malfunction current or switching the circuitry, to control and protect the electrical system ,and it can also be used for connecting with the circuit breaker.

    The gas of the SF6 is employed as the arc-extinguishing medium and the dielectric material. The self-extinction technology and the new-type spring operating mechanism are introduced in the SF6 circuit breaker. Thus the circuit breaker has good qualities with long electrical life, low operation power, lower noise, high reliability, simple structure, small and long overhaul periods. It can fully replace the same type one.


    2.Parameter of 126kv 252kv SF6 Circuit breaker

    NoNameUnitValue
    1Rated voltagekV252
    2

    Rated power frequency

    withstand voltage (1min)

    To earth460
    Between interrupter460+146
    3

    Rated thunder impulse

    withstand voltage

    To earth1050
    Between interrupter1050+206
    4Rated frequencyHz50
    5Rated currentA4000
    6Amplitude factor1.3
    7Rated short-circuit breaking currentkA50
    8Rated short-circuit making current(peak)kA125
    9Rated current withstand currentkA50
    10Rated peak value withstand valuekA125
    11Rated short-circuit durations3
    12Rated out-of-phase breaking currentkA12.5
    13Breaking current of close-in faultkA90%lk,75%lk
    14Rated line-charging breaking currentA200
    15Operating sequenceO-0.3s-CO-180s-CO
    16Resistance other main circuitμΩ≤55
    17Rated gauge pressure of SF6(20℃)Mpa0.6
    18Minimum functional gauge pressure(20℃)Mpa0.550.015/0.50.015
    19Annual leakage rate of SF6≤0.5%
    20Amount of water of SF6(V/V)ppm≤150
    21Mechanical lifetimes6000
    22Electrical level of radio interferenceμV<500
    23Creepage distanceTo earthmm≥8660
    Between interrupter≥6900
    24Weight of the SF6kg24
    25Weight of the circuit breakerkg1500

    3.Application statment

    A. The altitude above sea level does not over 2,000 meters;
    B. Surrounding air temperature: -40 ºC ~+40 ºC ;
    C. The wind speed is not bigger than 34m/s;
    D. The air filthy should be with in III degree
    E. Installing places: Not flammable, the explosion hazard, chemistry corrode place;
    F. Does not have the regular fierce vibration


    4.Product drawing


    5. Product qualification


    7. FAQ

    1. How to order the products?

    Send the inquiry with detail item description or with Model number. If there is no packing demand .we take it as sea-way packing.

    2. About lead time and shipping time?

    The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order.we can send you by air after received your agreement.

    3Life span of our XG brand?

    Generally we promise two years quality guarantee, some products will be extended longer time for life span.


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