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    Indoor high voltage electrical components

    ZN63(VS1)-12 side mount series high voltage vacuum circuit breaker

    VS1-12 side type vacuum circuit breaker is a indoor high voltage switch equipment, applicable to 12 kv rated voltage, three-phase power system frequency 50 hz, used as protection and control electric equipment, because of the special superiority of vacuum circuit breaker, especially suitable for need rated power flow frequent operation, or more open circuit short circuit current.

    The vs1-12 side mounted vacuum circuit breaker adopts fixed installation, which is mainly used for fixed switch cabinet. This breaker can be used alone, and can also be used for ring network power supply, box type transformer or various non-standard power supply systems.

    Description
    · operating environment
    1. Ambient temperature: not more than + 40 ℃, not less than 15 ℃ (allow - 30 ℃ storage).
    2. Altitude: not exceeding 1000m.
    3. Relative humidity: daily mean value is not more than 95%, monthly mean value is not more than 90%, and daily mean value of saturated steam pressure is not more than 2.2x10 MPa.
    The monthly average is no more than 1.8 x 10 MPa.
    4. Earthquake intensity: no exceeding 8.
    5. No fire, explosion, serious pollution, chemical corrosion and violent vibration.
    2. Altitude: not exceeding 1000m.
    3. Relative humidity: daily mean value is not more than 95%, monthly mean value is not more than 90%, and daily mean value of saturated steam pressure is not more than 2.2x10 MPa.
    The monthly average is no more than 1.8 x 10 MPa.
    4. Earthquake intensity: no exceeding 8.
    5. No fire, explosion, serious pollution, chemical corrosion and violent vibration.



    · external dimensions (side mounted indoor high-pressure vacuum circuit breaker ZN63(VS1)-12)


    · main technical parameters (side mounted indoor high-pressure vacuum circuit breaker ZN63(VS1)-12)

    numerical order project unit parameter
    1 The rated voltage KV 12
    2 Rated insulation level Peak voltage of rated lightning impulse withstand voltage KV 75
    1 min working frequency withstand voltage
    42
    3 Rated short circuit breaking current KA 20/25 31.5
    4 Rated current A 630
    1250
    630
    1600
    2500
    5 Rated thermal stability current (effective value) KA 20/25 80
    6 Rated dynamic stable current (peak) 63 80
    7 Rated short circuit closing current (peak) 63  
    8 Rated short circuit breaking current breaking times A 50
    9 Power frequency withstand voltage of secondary circuit (1min) V 2000
    10 Rated operation sequence   Score -0.3s- composite score -180s composite score
    11 Rated thermal stability time S 4
    12 Rated open current for single/back-to-back capacitor Banks A 630/400
    13 Mechanical life A 10000
    Send Inquiry

    Please feel free to contact with us at sales@cnshengyuan.cn, info@cnshengyuan.cn or filling up an enquiry form instructed at the bottom, You will get an effective response within 24 hours from Shengyuan sales representative.
    Thanks for your valued time with interest!

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    Related Products

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