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12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

METALWORK MACHINERY (WUXI) CO.LTD
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    Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers
     
    Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers
    • Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers
    • Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers
    • Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers
    • Buy cheap 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear from wholesalers

    12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

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    Brand Name : Metalwork
    Model Number : VS1-12KV
    Certification : CE, ISO, CCC
    Price : Negotiable
    Payment Terms : L/C, T/T
    Supply Ability : 100 sets per month
    Delivery Time : 20 days
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    12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

    12KV Automatic Smart Types VCB Vacuum Circuit Breakers

    Application:


    For industrial and mining enterprises, power plants, substations and other transmission and distribution systems for the control and protection of electrical facilities, and suitable for frequent operation places.


    Description of VS1-12KVindoor highvoltage vacuum circuit breaker:

    VS1-12KV Model indoor AC high voltage vacuum circuit breaker is a type of holistic and completely sealed high voltage switchgear, it has compact dimension and small volume. The VCB applies to power system of rated voltage 7.2~12KV, three-phase and AC 50/60Hz. It is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus. The product conforms to GB1984-2003, IEC56, , JB3855-1996 and DL/T403-1999 and passes type test.


    Technology & Details:




    Technical Parameters:

    ItemsUnitDate
    Rated voltage

    KV

    12
    Rated impulse withstand voltage75
    Rated short-time power frequency withstand voltage (1min)42
    Rated frequencyHz50
    Rated short-circuit breaking currentKA202531.540
    Rated currentA

    630

    1250

    630

    1250

    1250 1600

    2000 2500

    1600 2000 2500 3150 4000
    Rated short-time withstand currentKA202531.540
    Rated peak tolerable current506380100
    Rated short-circuit making current (peak value)506380100
    Secondary circuit power frequency withstand voltage (1min)V2000
    Rated operation sequenceO-0.3S-CO 180S-CO
    Rated duration of short circuit currentS4

    Rated single/back-to-back capacitance bank breaking current

    Set breaking current

    A630/400 (40KA is 800/400)
    Rated capacitor bank Inrush making currentKA12.5 (Frequency≤1000Hz)
    Opening time (rated voltage)ms20~50
    Closing time (rated voltage)ms35~70
    Mechanical lifetimes10000
    Rated short-circuit breaking current breaking timestimes50 (40KA is 30)
    Allowable wear accumulate thickness of moving and static contactsmm3
    Rated closing operating voltagevAC110/220 DC110/220
    Rated opening operating voltagevAC110/220 DC110/220
    Rated voltage of energy storage motorvAC110/220 DC110/220
    Rated power of energy storage motorw70
    Energy storage times≤15S
    Contact opening distancemm11±1
    Contact strokemm3.5±1
    Contact bounce timems≤2 (40KA≤3)

    Three - phase opening and closing

    heterogeneity

    ms≤2
    Average opening speed (front 8mm)m/s0.9~1.3
    Average closing speedm/s0.5~0.8 (40KA is 0.5~0.9)
    Opening contact rebound amplitudems≤3
    Main circuit resistanceΩ

    ≤50(630A) ≤45(1250A)

    ≤35(1600~2000A) ≤25(above 2500A)

    Closing contact pressureN2400±200 (25KA)
    3100±248 (31.5KA) 4250±250 (40KA)

    Quality 12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear for sale
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