Xian Tiangong Electric Co., Ltd.
EN
Search
×

TGE Issued New Technical Parameters Of Metal Oxide Varistors (D45 & D48)

Table of Content [Hide]



    No.

    1

    2

    3

    4

    series

    AC MOV

    type

    D45H20

    D45H30

    D48H35.4

    D48H36

    suggested rated voltage (kV)

    3.2

    4.8

    5.5

    5.9

    MCOV (kV)

    2.7

    4.1

    4.7

    5.0

    diameter (mm)

    45±0.7

    45±0.7

    48±1

    48±1

    height (mm)

    20.0±0.3

    30.0±0.3

    35.4±0.3

    36±0.3

    DC U1mA (kV)

    4.6±0.3

    6.9±0.4

    7.8±0.5

    8.6±0.4

    IL at 75% of U1mA(µA)

    ≤15

    ≤15

    ≤20

    ≤20

    Ures (kV)

    8.0±0.4

    12.6±0.6

    13.45±0.8

    14.65±0.8

    typical Ures / U1mA

    1.73

    1.73

    1.71

    1.71

    repetitive charge transfer Qrs (C)

    1.2

    1.2

    1.6

    1.6

    guaranted 2ms test current (A)

    600

    600

    700

    700

    max 2ms test current (A)

    700

    700

    800

    800

    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



    Related Metal Oxide Varistors


    Company Products
    Latest News & Blogs about TGE
    TGE丨IEC TC37/MT4 & IEEE PES Spring Meeting: China's Lightning Protection Technology Takes the Global Stage
    04 Sep 2025

    TGE丨IEC TC37/MT4 & IEEE PES Spring Meeting: China's Lightning Protection Technology Takes the Global Stage

    The Role of MOV Lightning Arresters in Industrial Settings
    06 Mar 2024

    The Role of MOV Lightning Arresters in Industrial Settings

    2025 Arrester Technology Training Conference Concludes Successfully: Experts from China Southern Power Grid Elaborate on Key Technologies of Distribution Network and Transmission Line Lightning Protection
    16 Oct 2025

    2025 Arrester Technology Training Conference Concludes Successfully: Experts from China Southern Power Grid Elaborate on Key Technologies of Distribution Network and Transmission Line Lightning Protection