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TGE Issued New Technical Parameters Of Metal Oxide Varistors (D42)

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    No.

    1

    2

    3

    4

    series

    AC MOV

    type

    D42H22

    D42H24

    D42H29

    D42H36

    suggested rated voltage (kV)

    3.3

    3.6

    4.4

    5.4

    MCOV (kV)

    2.8

    3.1

    3.7

    4.6

    diameter (mm)

    42±0.7

    42±0.7

    42±0.7

    42±0.7

    height (mm)

    29±0.3

    36±0.3

    19.5±0.3

    32±0.3

    DC U1mA (kV)

    4.85±0.3

    5.28±0.3

    6.4±0.45

    7.95±0.5

    IL at 75% of U1mA(µA)

    ≤15

    ≤15

    ≤15

    ≤15

    Ures (kV)

    8.6±0.5

    9.35±0.6

    11.3±0.7

    14.1±0.8

    typical Ures / U1mA

    1.77

    1.77

    1.77

    1.77

    repetitive charge transfer Qrs (C)

    0.5

    0.6

    0.5

    0.5

    guaranted 2ms test current (A)

    400

    500

    400

    400

    max 2ms test current (A)

    400

    600

    400

    400

    4/10µs high current test (kA)

    100

    100

    100

    100

    nominal discharge current In (kA)

    10

    10

    10

    10

    accelerated ageing test

    115℃              0.9*U1mA/√2          Kct ≤ 1.0


    References



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