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12kV Earthing Switch

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  • Earthing switch JN4-12

    1.Rated voltage:12kV
    2.Rated short time withstand current:31.5kA
    3.The height above sea level: 1000~3000m
    4.Ambient air temperature: +40℃~ -25℃
    5.Seismic intensity: no more than 8 magnitude
    6.It shall be installed in the place without dust, fire, chemical erosion, explosion, vapor& salt spray, and the place where the strong vibration may not happen.

  • Earthing Switch EK6(JN15A)-12 31.5

    1.The height above sea level shall be no more than 1000 meter;
    2.Ambient air temperature: +40℃~ -25℃
    3.Seismic intensity: no more than 8 magnitude
    4.The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%
    5.Filth degree: II

  • Earthing Switch JN15-12 50

    1.Rated voltage:12kV
    2.Rated short time withstand current:50kA
    3.The height above sea level shall be no more than 1000 meter.
    4.Ambient air temperature: +40℃~ -25℃
    5.Seismic intensity: no more than 8 magnitude
    6.The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%

  • Earthing Switch JN15-12(7.2) 40

    1.Rated voltage:12kV
    2.Rated short time withstand current:40kA
    3.The height above sea level shall be no more than 1000 meter;
    4.Ambient air temperature: +40℃~-25℃
    5.Seismic intensity: no more than 8 magnitude
    6.The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%

  • Earthing Switch JN15-12(7.2) 31.5

    1.Rated voltage:12kV
    2.Rated short time withstand current:31.5kA
    3.The height above sea level shall be no more than 1000 meter;
    4.Ambient air temperature: +40℃~ -25℃
    5.Seismic intensity: no more than 8 magnitude

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