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  • Product description and use method:

    GN22-12 (C) Isolating Switch

    I. Overview

    GN22-12 (C) isolating switch is suitable for indoor devices with three-phase AC 50Hz and rated voltage 12KV. It is used to switch on, cut off or change the line when the high voltage equipment is under voltage and load.


    Model description


    Third, the use of environmental conditions

    Altitude: not exceeding 1000m;
    Ambient air temperature: -30 +40;
    Relative humidity of surrounding environment: daily average is not more than 95%;
    The monthly average is not more than 90%. Earthquake intensity does not exceed 8 safe places: no fire, flammable, explosive, severe pollution, chemical corrosion and severe vibration.


    Fourth, the main technical parameters

    project

    unit

    data

    Rated voltage

    KV

    12

    rated power

    Hz

    50

    Rated current

    A

    1600 200

    2500 3150

    Rated short-circuit withstand current

    KA

    40

    50

    Rated peak withstand current

    KA

    100

    125

    Rated short duration

    S

    4

    Rated insulation level

    Power frequency withstand voltage

    KV

    断开口49 Between poles, pole to ground 42 disconnection 49

    Lightning impulse withstand voltage (peak)

    KV

    断开口85 Between poles, pole to ground 75 disconnection 85


    Five, external installation dimensions

    model

    A

    B

    C

    D

    E

    GN22-12 / 1600-2000

    255

    305

    527

    490

    50

    GN22-12 / 2500-3150

    262

    325

    538

    494

    60

    model

    A

    B

    C

    D

    E

    GN22 -12C / 1600-2000

    537

    255

    305

    807

    580

    GN22 -12C / 2500-3150

    539

    267.5

    330

    880

    630

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