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LMK3(BH)-0.66 current transformer,Accuracy: 0.2/0.2s/0.5/0.5s,Ratio 100/5-5000/5A

The LMK3(BH)-0.66 type current transformer is mainly used indoors and is applied in AC circuits with a rated voltage of 0.66kV or less and a rated frequency of 50Hz for current, energy measurement or relay protection purposes. The product is a molded case current transformer, which is widely used in complete cabinet bodies. Its installation methods can adopt busbar fixation and base plate fixation installation methods, and it is suitable for installation in any direction.

Conforming to the standard: GB/T 20840.

    Model and its meaning

    LMK3(BH)-0.66.jpg

    Normal working conditions and installation conditions

    Installation Location: To ensure the normal operation and safety of the equipment, the installation location should be indoors.

    Ambient temperature: The suitable ambient temperature range is -5℃ to +40℃, which means that the equipment can maintain good performance even in extremely cold or hot weather conditions.

    Ambient humidity: The relative humidity should be controlled within a range not exceeding 80% to prevent equipment malfunction or damage due to moisture.

    Altitude: The installation location should not exceed 1000 meters to avoid the impact of air pressure changes at high altitudes on the equipment.

    Atmospheric conditions: A good atmospheric environment with no serious pollutants in the air should be ensured to maintain the long-term stable operation of the equipment.

    Scope of application

    The LMK3(BH)-0.66 current transformer is primarily used in indoor environments and is suitable for AC circuits with a rated voltage of 0.66kV or below and a rated frequency of 50Hz. It is mainly used for current and energy measurement and relay protection. This product features a molded housing design, providing excellent insulation and durability, and is widely used in the cabinets of various complete sets of equipment. Its installation is flexible and versatile, allowing for busbar fixing or base plate fixing, and is suitable for installation in any direction, facilitating user layout according to actual needs. Furthermore, the design of this current transformer considers safety and reliability, ensuring stable operation under various working conditions, providing an effective solution for power system monitoring and protection.

    Order instructions

    When ordering, the user should provide the following information:

    Product Model and window width;

    rated current ratio;

    rated output and the corresponding accuracy level;For example: Order the LMK3 (BH)-0.66 type, with a window width of 80mm, a rated current ratio of 1500/5, and a rated output of 10VA.

    Transformer with an accuracy class of 0.5.The order code is LMK3 (BH)-0.66, 80 1500/5 10VA 0.5.

    If there are special requirements, can be customized with the manufacturer.

    1.LMK3(BH)-0.66.jpg

    Picture

    Model

    Current
    ratio

    Rated load

    Number of
    turns
    through
    the heart

    Outline overall
    and installing
    dimensions

    0.5

    0.5S

    0.2

    0.2S

     

    LMK3(BH)-
    0.66 30

    200/5

    2.5

    2.5

    2.5

    2.5

    1

    250/5

    2.5

    2.5

    2.5

    2.5

    1

    300/5

    5

    5

    5

    5

    1

    400/5

    5

    5

    5

    5

    1

    LMK3(BH)-
    0.66 40x40

    400

    5

    5

    5

    5

    1

    500

    5

    5

    5

    5

    1

    600

    5

    5

    5

    5

    1

    700

    10

    10

    10

    10

    1

    800

    10

    10

    10

    10

    1

    1000

    10

    10

    10

    10

    1

    LMK3(BH)-
    0.66 50

    400/5

    5

    5

    5

    5

    1

    500/5

    5

    5

    5

    5

    1

    600/5

    5

    5

    5

    5

    1

    750/5

    10

    10

    10

    10

    1

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    LMK3(BH)-
    0.66 60

    500/5

    5

    5

    5

    5

    1

    600/5

    5

    5

    5

    5

    1

    750/5

    10

    10

    10

    10

    1

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     

    LMK3(BH)-
    0.66 80

    500/5

    5

    5

    5

    5

    1

    600/5

    5

    5

    5

    5

    1

    750/5

    10

    10

    10

    10

    1

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     

    LMK3(BH)-
    0.66 100

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

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    1

    1500/5

    10

    10

    10

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    1

     2000/5

    10

    10

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    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     

    LMK3(BH)-
    0.66 130

    1000/5

    5

    5

    5

    5

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

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    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     

    LMK3(BH)-
    0.66 150

     2000/5

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    1

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    1

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    LMK3(BH)-
    0.66 180

     3000/5

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    1

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    45

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     8000/5

    40

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    1

     

    LMK3(BH)-
    0.66 200

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

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    1

     6000/5

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    1

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    40

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    40

    1

     8000/5

    40

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    40

    1

     

    LMK3(BH)-
    0.66 220

     4000/5

    30

    30

    30

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    1

     5000/5

    40

    40

    40

    40

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     6000/5

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    40

    40

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    40

    1

     8000/5

    40

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    1

     

    LMK3(BH)-
    0.66 260

     4000/5

    30

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    30

    1

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    40

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    1

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    40

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    1

     

    LMK3(BH)-
    0.66 280

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

    LMK3(BH)-
    0.66 300

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66 80×80
    Special
    customization

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     

    LMK3(BH)-0.66 100×80
    Special
    customization

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66 120×80
    Special
    customization

    800/5

    10

    10

    10

    10

    1

    1000/5

    10

    10

    10

    10

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66
    130×80
    Special
    customization

    1000/5

    5

    5

    5

    5

    1

    1200/5

    10

    10

    10

    10

    1

    1500/5

    10

    10

    10

    10

    1

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66
    150×130
    Special
    customization

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66
    160×100
    Special
    customization

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

    LMK3(BH)-0.66
    170×100
    Special
    customization

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

    40

    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1

     

    LMK3(BH)-0.66
    170×60
    Special
    customization

     2000/5

    10

    10

    10

    10

    1

     2500/5

    15

    15

    15

    15

    1

     3000/5

    20

    20

    20

    20

    1

     4000/5

    30

    30

    30

    30

    1

     5000/5

    40

    40

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    40

    1

     6000/5

    40

    40

    40

    40

    1

     7000/5

    40

    40

    40

    40

    1

     8000/5

    40

    40

    40

    40

    1