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Current Transformer

  • LR Series Current Transformer

    LR Series Current Transformer

    Overview

    LR series bushing type current transformer is with wrap-around structure, suitable for oil-immersed transformers with various voltages. Made of high quality materials and advanced processing technology, this product has good electrical and mechanical properties.

    Standards

    1.GB/T20840.1、IEC 61869-1 Instrument transformers Part 1: General requirements

    2.GB/T20840.2、IEC 61869-2  Instrument transformers Part 2: Additional requirements for current transformers

    Operation circumstance

    1.Installation site: Indoor.

    2.Ambient temperature: Min. temperature: -5℃;Max. temperature :+40℃;Average temperature per day ≤ +30℃

    3.Pollution class: class Ⅱ

    4.Altitude: ≤ 1000m. (Please indicate the altitude when the instrument transformers are used in high altitude area.)

    5.There is no gas, steam, chemical deposition and other explosive and corrosive media that heavily affect CTs insulation in installation site.

    Technical Date：

    Rated secondary current:5A,2A,1A

    Rated primary current :100-25000A

    Accuracy class : 0.2,0.2S,0.5,0.5S,1,3

    Rated output: 5-100(VA)

    Rated fenquency:50,60Hz

    Rated insulation Level:0.72/3

    outline Drawing:

     

     

     

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