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Indoor Three Phase AC High Voltage 12KV Load Isolating Break Switch

Isolating Load Switch

Indoor Three Phase AC High Voltage 12KV Load Isolating Break Switch

    indoor high voltage AC load breaker switch refer to international new technology and develop the switching equipment in according to the relevant standards in China's electric power system.

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    Product details

     FN7- 12DR Model Indoor AC HV Load Switch is suitable in 50Hz, rated voltage of 12Kv the three- -phase AC power system as the breaking load short-circuit current of the power and used the Closing, until the combination of electrical short-circuit current can be breaking any current can be used as protection purposes.
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    Ratings


    Rated voltage(KV)

    12

    Insulation level

    1min frequency voltage(KV)

    Phase to phase,to earth 42

     Isolation fracture48

    Lightning impulse withstand voltage(KV)

    Phase to phase,to earth 75

     Isolation fracture85

     Rated current(A)

     400

     630

     4S Rated thermal current(KA)

     12.5

     20

     Rated active load breaking current(KA Peak)

     31.5

     50

     Rated short circuit making current(KA peak)

     31.5

     50


    Technical specification

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    Overall dimension

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    Product descriptions

    Ambient condition

    1. The altitude: under 1000M.

    2. The ambient temperature: -25℃-+40℃.

    3. The relative humidity of air: monthly≤90%, daily≤95%.

    4. Ampitude: Earthquake degree 8.

    5. Aplication occasions should free from fire, inflammables, explosives,corrosives and severe vibration.

     


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