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  •   12KV SF6 Load Switch Composite Apparatus for GIS Cabinet
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12KV SF6 Load Switch Composite Apparatus for GIS Cabinet

Model: 12KV-630A


  • General
  • Technical Parameter
  • YFC-12KV-630A composite apparatus complies with related requirements in GB3804-2004 "High voltage alternating-current switches for rated voltage above 3.6KV and less than 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 (2sl, Mechanical life: 2000 times.

    Product definition

    Working condition precautions

    O Alitude≤1000m, Earthquake intensity≤8 degree. O Class of pollution: I.. O Ambient temperature: -40C ~ +140C ; Relative humidity daily average≤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.  



  • 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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