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12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

    Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers
     
    Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers
    • Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers
    • Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers
    • Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers
    • Buy cheap 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution from wholesalers

    12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

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    Brand Name : Tianan Electric
    Model Number : KYN28A-12
    Certification : GB3906,IEC298 (1990)
    Price : Pending
    Payment Terms : L/C, T/T, D/P, D/A, MoneyGram, Western Union
    Supply Ability : 5000sets per year
    Delivery Time : 45work days
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    12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

    12KV Mid - Mount Electric Power Distribution AC Switchgear


    Overview


    KYN28A-12Seiries Indoor AC Metal Clad Switchgear / Cabinet. It is suitable for three-phase AC rated voltage 12KV, rated frequency 50Hz power system to receive and distribute the electrical energy and to control, protect and monitor the circuit.


    Meet the standard: GB3906-97 3-35KV AC Metal-enclosed Switchgear, GB11022-89 High-voltage Switchgear General Technical Conditions, IEC298 (1990) AC Metal-enclosed Switchgear and Control Equipment With Rated Voltage Above 1kv and 50kv or Below .

    Application

    The 12KV withdrawable enclosed switchgear is mainly used in power plants, small- and mediumsized power generators, industrial and mining enterprises, and secondary substations of power system for power receiving, power transmission, and startup of large-sized high-voltage motor in order to implement control, protection, and monitor.


    Parameter


    No.

    Item

    unit

    Parameter

    1

    Rated voltage

    KV

    12

    2

    Main busbar rated current

    A

    630

    3

    Rated current

    A

    630

    4

    Rated frequency

    HZ

    50

    5

    Rated short-time withstand current

    KA

    20

    6

    Rated short time continual time

    S

    4

    7

    Rated peak withstand current

    KA

    50/125

    8

    Rated short-circuit making current

    KA

    50

    9

    Rated active load breaking current

    A

    630

    10

    Rated closed loop breaking current

    A

    630

    11

    Rated cable-charging breaking current

    A

    10

    12

    The earthing switch rated
    short-time resistance current

    KA

    20

    13

    Grounding switch rated
    short circuit duration

    S

    4

    14

    Grounding switch rated
    peak withstand current

    KA

    50

    15

    Rating insulation level

    1min Power
    frequency withstand
    voltage

    KV

    (phase to phase/ phase-to-ground) 42;
    (isolating distance) 48

    lightning impulse
    withstand voltage
    (peak value)

    KV

    (phase to phase/ phase-to-ground) 75;
    (phase to phase/ phase-to-ground) 85

    16

    major loop resistance

    ≤400

    17

    mechanical life

    Load switch

    time

    5000

    Earthing switch

    time

    2000

    18

    subsidiary loop 1min Power
    frequency withstand voltage

    KV

    2

    19

    SF6 Rated Gas pressure
    (20ºC gauge pressure)

    Mpa

    0.04

    20

    SF6 Gas annual Leakage rate

    1%

    21

    Protection grade

    IP4X

    Quality 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution for sale
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