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We are professional manufacturer of custom current transformer, current sensor and portable EV charger.

DHC81A series miniature precision current transformer 1
DHC81A series miniature precision current transformer 2
DHC81A series miniature precision current transformer 3
DHC81A series miniature precision current transformer 4
DHC81A series miniature precision current transformer 5
DHC81A series miniature precision current transformer 1
DHC81A series miniature precision current transformer 2
DHC81A series miniature precision current transformer 3
DHC81A series miniature precision current transformer 4
DHC81A series miniature precision current transformer 5

DHC81A series miniature precision current transformer

AC Current Transformer

Rated input current:AC 5-30A

Ratio: 1000: 1 / 2000:1 

4PIN type

 

DHC81A series miniature precision current transformers have a wide range of primary current, can measure 30A current, and are small in size, especially suitable for compact product design.

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    电流互感器81A-11
    电流互感器81A-11
    电流互感器81A-12
    电流互感器81A-12
    电流互感器81A-21
    电流互感器81A-21
    电流互感器81A-22
    电流互感器81A-22
    电流互感器81A-11

    FEATURES

    Nanocrystalline core
    High precision and good linearity
    Built-in primary current conductor,
    integrated design
    Epoxy potting, safe and reliable
    Environmental protection (RoHS)
    Flame retardant: UL94-V0
    Primary and secondary effective isolation,
    withstand voltage 3kV

    ADVANTAGES

    Small size, saving space
    light weight
    Fool-proof design
    easy to use
    Big measuring range 
    Wide frequency range
    Good product consistency
    电流互感器81A-12
    电流互感器81A-21 (2)

    APPLICATION

    smart meter 

    smart socket 

    induction cooker 

    smart lighting 

    smart home

    AC frequency conversion equipment 

    Communication power

    STANDARD

    GB 1206-2006

    JBT 10665-2016

    JJG 313-2010

    电流互感器81A-22
    未标题-1 (6)
    未标题-1 (6)
    The primary conductor is a Φ1.2 round copper rod, suitable for current measurement below 10A.
    移动
    移动
    The primary conductor is a 1*2.2 flat copper bar, suitable for 10A-30A current measurement.

    Size

    未标题-1 (10)

    The primary conductor is a round copper rod

    The primary conductor is a flat copper bar

    PCB Package Dimensions

    -2

    The primary conductor is a round copper rod

    The primary conductor is a flat copper bar

    Electrical schematic diagram

    -3

    Remark:

    1.This specification is a standard product. If other technical parameters are required, our company can customize it for customers.

    2.When the load capacity of the transformer is exceeded, the accuracy may be reduced or saturated.

    Specification

    Spcification

    Performance

    Model

    DHC81AB1

    DHC81AB2

    DHC81AB3

    DHC81AB4

    Input current

    5A

    10A

    20A

    30A

    Output current

    2.5mA

    5mA

    10mA

    15mA

    Allow overload multiple

    2 times

    1.2 times

    Ratio

    2000:1

    Ratio difference

    ≤0.1%

    Phase difference

    ≤5´

    Accuracy

    0.1

    Linearity

    ≤0.1%

    primary conductor

    Φ1.2Round
    Copper Rod

    1*2.2 flat copper bar

    Load Resistance

    20Ω

    isolation withstand
    voltage

    3kV/2mA/1min

    frequency range

    50/60Hz (Test frequency:50Hz)

    Working Temperature

    -25~85℃

    Storage Temperature

    -40~90℃

    Relative humidity

    ≤95%

    Specification

    Spcification

    Performance

    Model

    DHC81AD1

    DHC81AD2

    DHC81AD3

    DHC81AD4

    Input current

    5A

    10A

    20A

    30A

    Output current

    5mA

    10mA

    20mA

    30mA

    Allow overload multiple

    2 times

    1.2 times

    Ratio

    1000:1

    Ratio difference

    ≤0.2%

    Phase difference

    ≤10´

    Accuracy

    0.2

    Linearity

    ≤0.2%

    primary conductor

    Φ1.2Round
    Copper Rod

    1*2.2 flat copper bar

    Load Resistance

    20Ω

    isolation withstand
    voltage

    3kV/2mA/1min

    frequency range

    50/60Hz (Test frequency:50Hz)

    Working Temperature

    -25~85℃

    Storage Temperature

    -40~90℃

    Relative humidity

    ≤95%

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    For more information about our products, welcome  to contact us at any time!

    summer@szdeheng.com
    +86 13767465201
    Summer Wu
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    We are professional manufacturer of custom current transformer, current sensor and EV charger equipment.
    Contact Us
    Add:
    East part of the 4th floor,Block 2,Veteran industry Town,Tiezai Road ,Xixiang Street,Baoan District,Shenzhen 518101 P.R.China
    Contact person: Summer Wu
    Tel: +86 13767465201
    WhatsApp: +008613767465201
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