Zhejiang Donghua Electrical Appliance Co., Ltd.
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LZZBJ10‑10 10kV Instrument CT Epoxy Cast Current Transformer

The LZZBJ10-10 type current transformer is suitable for AC power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV, and is used for electric energy metering, voltage measurement and relay protection.
The product execution standards are GB20840.1-2010 and GB20840.2-2014.

    Model and its meaning

    LZZBJ9-12-175b-2(4).jpg

    Summarize

    Our current transformers have the following features:

    High-precision measurement: Using advanced manufacturing technology and materials to ensure high measurement accuracy and small error, suitable for various current measurement needs.

    Wide range: Supports multiple current ranges to meet the needs of different application scenarios and is suitable for high-voltage and low-voltage power systems.

    Excellent linearity: Maintain good linearity throughout the entire measurement range to ensure the accuracy of the output signal.

    Strong durability: Made of high-quality insulation materials and protective design, it has good environmental resistance and can adapt to various harsh working conditions.

    Easy to install: reasonable design, easy to install and maintain, suitable for various electrical equipment and power distribution systems.

    High safety: Equipped with overload protection function to ensure the safe operation of the equipment under abnormal conditions.

    Normal service condition

    Installation site: Indoor

    Ambient temperature: The maximum temperature is 40℃ , the minimum temperature is -25℃ , and the daily average temperature does not exceed 30℃ .

    Atmospheric conditions: There is no severe pollution in the atmosphere

    Technical parameter

    Product model(kA)

    Rated primary current(A)

    Accuracy level
    combination

    Rated output(VA)

    Short-term thermal
    current(kA/S)

    Dynamic stable current

    LZZBJ10-10

    10

    0.2/0.5
    0.5/10P10
    0.2/10P10

    10/10
    10/10
    10/10

    0.9

    2

    15

    1.35

    3

    20

    1.8

    4

    30

    2.7

    6

    40

    3.6

    8

    50

    4.5

    10

    75

    6.75

    15

    100

    9

    20

    150

    13.5

    30

    200

    18

    40

    300

    24.5

    45

    400

    24.5

    45

    500

    32

    59

    600

    32

    59

    Secondary current: 5A/1A

    Rated insulation level: 12/42/75 kV

    Structure and characteristics

    This series of current transformers adopt a pillar structure and are fully enclosed with epoxy resin by epoxy casting. They are resistant to pollution and moisture and are also suitable for use in tropical regions. The transformers do not require special maintenance and are safe and reliable. The product body is equipped with grounding bolts andfour installation holes for installation.

    LZZBJ9-12-175b-2(4).jpg