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

China LZZBJ9-12/175b/2(Series Current Transformers - Trusted Suppliers & Factory for Reliable Power Solutions

Our current transformers are essential components in power systems, widely utilized for power monitoring, protection relays, metering equipment, and various applications. As a leading supplier in China, our products cater to industrial, commercial, and domestic power management needs, ensuring reliable current measurement solutions. Manufactured in our state-of-the-art factory, our current transformers adhere to the execution standards GB20840.1-2010 and GB20840.2-2014, guaranteeing quality and performance in every application. Trust us for your current measurement needs and experience the difference that comes with choosing a reputable Chinese supplier
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    Product Detail

    Model and its meaning

    LZZBJ9-12-175b-2(4) Model Meaning

    Summarize

    Current transformers must be operated within specified normal operating conditions. They should be installed indoors in a temperature-controlled environment. They are designed to operate within a temperature range of -5°C to 40°C, with an average daily temperature not exceeding 30°C. These conditions are crucial to ensuring the lifespan and reliability of the current transformer, as extreme temperatures can adversely affect its performance and accuracy.

    Normal service condition

    ■
    Installation site: Indoor.
    ■
    Ambient temperature: Maximum air temperature 40℃ ; The minimum temperature is -5℃. The daily average temperature does not exceed 30℃.
    ■
    Atmospheric conditions: There is no severe pollution in the atmosphere.

    Technical parameter

    LZZBJ9-12/175b/2 Type Technical parameter table of Current Transformer

    Product model Rated primary current Accuracy level combination Rated output Rated short-term thermal current Rated dynamic stability current
    LZZBJ9-12/175b/2 5 0.2/10P10
    0.5/10P10
    0.2/10P15
    0.5/10P15
    0.2S/10P30    		 10/15
    10/15
    10/15
    15/15
    15/15    		 0.6 1.5
    10 1.2 3
    15 1.8 4.5
    20 2.4 6
    30 3.6 9
    40 4.8 12
    50 6 15
    75 9 22.5
    100 12 30
    150 18 45
    200 21 52.5
    300 0.2/10P10
    0.5/10P10
    0.2/10P15
    0.5/10P15
    0.2S/10P30    		 10/15
    10/15
    10/20
    15/20
    15/15    		 24.5 61.25
    400 32 80
    500
    600
    800 0.2/10P10
    0.5/10P10
    0.2/10P15
    0.5/10P15
    0.2S/10P30    		 15/20
    15/20
    15/20
    30/20
    15/15    		 50 125
    1000
    1200
    1250
    1500 0.2/10P10
    0.5/10P10
    0.2/10P15
    0.5/10P15
    0.2S/10P30    		 15/20
    15/20
    20/20
    30/20
    15/15    		 63 157.5
    2000
    2500
    3000
    3150

    LZZBJ9-12/175b/4 Type Technical parameter table of Current Transformer

    Product model Rated primary current Accuracy level combination Rated output Rated short-term thermal current Rated dynamic stability current
    LZZBJ9-12/175b/4 5 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 10/10/20
    10/10/15
    10/10/15
    10/15/15
    10/15/15
    10/10/15/15    		 0.6 1.5
    10 1.2 3
    15 1.8 4.5
    20 2.4 6
    30 3.6 9
    40 4.8 12
    50 6 15
    75 9 22.5
    100 12 30
    150 18 45
    200 21 52.5
    300 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 10/10/20
    10/10/20
    10/15/15
    10/15/20
    15/15/15
    10/10/15/15    		 24.5 61.25
    400 32 80
    500
    600 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 10/10/20
    10/10/15
    10/10/15
    10/15/15
    15/15/15
    10/10/15/15    		 32 80
    800 50 125
    1000 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 10/10/30
    15/15/20
    15/20/20
    10/15/15
    15/15/20
    10/10/15/15    		 50 125
    1200
    1250
    1500 63 157.5
    2000
    2500 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 15/15/30
    15/15/20
    15/20/20
    15/15/20
    15/20/15
    10/10/15/15    		 63 157.5
    3000 0.2/0.2/5P10
    0.2/0.5/5P15
    0.2/0.5/5P20
    0.2/5P10/10P15
    0.5/5P10/10P20
    0.2S/0.5/5P30/5P30    		 15/15/30
    15/15/20
    15/30/20
    15/15/20
    15/20/15
    10/10/15/15    		 63 157.5
    3150

    Rated secondary current: 5A or 1A, rated insulation level: 12/42/75kV.

    Structure and characteristics

    This series of current transformers utilizes a fully enclosed epoxy resin cast structure, exhibiting excellent insulation and moisture resistance. Its compact design, small size, and light weight make it easy to clean and maintain. The secondary terminals are equipped with a terminal block for safety and reliability. The baseplate is equipped with a grounding bolt and six mounting holes for flexible installation.

    Frequently Asked Questions (FAQ)

    What is the ambient temperature range for this current transformer?

    The current transformer is designed to operate within an ambient temperature range of -5°C to 40°C, with the daily average temperature not exceeding 30°C.

    Can the LZZBJ9-12 current transformer be installed outdoors?

    No, this current transformer is designed specifically for indoor installation in a temperature-controlled environment with no severe atmospheric pollution.

    What are the key benefits of the epoxy resin cast structure?

    The fully enclosed epoxy resin cast structure offers excellent electrical insulation, strong moisture resistance, a compact size, light weight, and easy cleaning and maintenance.

    What are the rated secondary current and insulation levels?

    The rated secondary current is 5A or 1A, and the rated insulation level is 12/42/75kV.

    How is safety ensured for the secondary terminals?

    The secondary terminals are equipped with a dedicated terminal block cover to ensure operational safety and system reliability.

    How is the transformer mounted during installation?

    The baseplate is equipped with a grounding bolt and six mounting holes, providing flexible and secure installation options.