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24KV Gas Insulated Switchgear 24kv GIS Load Switch with Fuse Combinations

Description:

Load switch of BOC- 24KV- 630A complies with the technical requirements of GB3804- -2004 "High- voltage alternating- -current switches for rated voltage above 3.6KV and up to and including 40.5KV”and GB16926 -1997 "High- voltage alternating current switch-fuse combinations". Major loop: 630A- 20KA (4s); 25KA (3s); Mechanical life: 5000 times. Ground loop: 20KA(2s); Mechanical life: 2000 times.
  • Detailed Description
  • Load Switch of BOC- 24KV- 630A complies with the technical requirements of GB3804- -2004 "High- voltage alternating- -current switches for rated voltage above 3.6KV and up to and including 40.5KV”and GB16926 -1997 "High- voltage alternating current switch-fuse combinations". Major loop: 630A- 20KA (4s); 25KA (3s); Mechanical life: 5000 times. Ground loop: 20KA(2s); Mechanical life: 2000 times.


    Product definition


    image.png


    Working condition precautions

    O Altitude ≤1000m, Earthquake intensity≤8 degree. O Class of pollution: I. O Ambient temperature: - 40°C ~ +140°C ; Relative humidity daily averagee≤90% , monthly average≤90%. O Not applicable in the place with frequently violent vibrations, or water vapor, gas, chemically corrosive sediments, salt spray, dust and dirt, that would significantly affect the performance of the Mechanism, or fire and explosion hazards.


    Drawing

    image.png


    No

    ltem

    Unit

    Data

    1

    Rated frequency

    Hz

    50

    2

    Rated current

    A

    630

    3

    Rated short time withstand current

    KA

    20/25

    4

    Rated peak withstand current

    KA

    50

    5

    Rated short circuit duration

    S

    4

    6

    Rated short circuit making current

    KA

    50

    7

    Theoretical operation

    Times

    5000

     

     


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