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                        Current Transformers Core and RCCB Core

                        Shape: Ring core and Rectangle core

                        Nanocrystalline Core Applied As: 

                        1, Solid Current Transformers Cores;

                        2, Split Current Transformer Cores;/

                        3, Residual Current Circuit Breaker ( RCCB) Cores;

                        Current Transformer Core

                         

                         

                        Applications:

                        1Solid Current Transformer Cores

                        1Split Current Transformer Cores

                        1Residual Current Circuit Breaker(RCCB) Cores

                         

                        Characteristics:

                        1High permeability

                        1Low core lossLow temperature rise

                        1Good Temperature stability 

                         

                        Properties:

                        Saturate induction 

                        1.25T

                        Hardness Hv

                        880kg/mm2

                        Curie Temperature 

                        560C

                        Density

                        7.20g/cm3

                        Crystallization Temperature 

                        510C

                        Resistivity

                        80mW-cm

                        Saturate magnetostriction 

                        2x10-6

                         

                         

                        Ring Core Dimension:                                                                  

                        Part No.

                        Core Dim. (mm)

                        Finished Core (mm)

                        Le

                        Ae

                        AL min.*

                        OD

                        ID

                        HT

                        OD

                        ID

                        HT

                        (cm)

                        (cm2)

                        1KHz

                        ONE-262010

                        26

                        20

                        10

                        26.6

                        19.5

                        11

                        7.22

                        0.23

                        17.6

                        ONE-301812

                        30

                        18

                        12

                        30.6

                        17.5

                        13

                        7.54

                        0.54

                        40.5

                        ONE-372915

                        37

                        29

                        15

                        37.6

                        28.5

                        16

                        10.36

                        0.45

                        24.5

                        ONE-433812

                        43

                        38

                        12

                        43.6

                        37.5

                        13

                        12.72

                        0.23

                        10.0

                        ONE-554510

                        55

                        45

                        10

                        55.6

                        44.5

                        11

                        15.70

                        0.38

                        13.5

                        ONE-655320

                        65

                        53

                        20

                        65.6

                        52.5

                        21

                        18.53

                        0.90

                        27.5

                        ONE-584830

                        58

                        48

                        30

                        58.6

                        47.5

                        31

                        16.64

                        1.13

                        38.2

                        ONE-655510

                        65

                        55

                        10

                        65.6

                        54.5

                        11

                        18.84

                        0.38

                        11.3

                        ONE-655230

                        65

                        52

                        30

                        65.6

                        51.5

                        31

                        18.37

                        1.46

                        45.0

                        ONE-746315

                        74

                        63

                        15

                        74.6

                        62.5

                        16

                        21.51

                        0.62

                        16.3

                        ONE-908015

                        90

                        80

                        15

                        90.6

                        79.5

                        16

                        26.69

                        0.56

                        11.9

                        ONE-908020

                        90

                        80

                        20

                        90.6

                        79.5

                        21

                        26.69

                        0.75

                        15.9

                        ONE-1309015

                        130

                        90

                        15

                        131

                        89

                        16.8

                        34.54

                        2.25

                        36.8

                        ONE-1309020

                        130

                        90

                        20

                        131

                        89

                        21.8

                        34.54

                        3.00

                        49.1

                        ONE-13011515

                        130

                        115

                        15

                        131

                        114

                        16.8

                        38.47

                        0.84

                        12.4

                        ONE-18015015

                        180

                        150

                        15

                        181

                        149

                        16.8

                        51.81

                        1.69

                        18.4

                        ONE-26022515

                        260

                        225

                        15

                        261

                        224

                        16.8

                        76.15

                        1.97

                        14.6

                        ONE-28023020

                        280

                        230

                        20

                        281

                        229

                        21.8

                        80.07

                        3.75

                        26.5

                         

                         

                         

                         

                         

                         

                         

                         

                         

                         

                        ONLJ Rectangle Core Series:

                        Part No.

                        Core Dimension (mm)

                        Le

                        (cm)

                        Ae

                        (cm2)

                        a

                        b

                        c

                        d

                        e

                        f

                        ONLJ-2121091330

                        12.5

                        83.5

                        187

                        30

                        108.5

                        212

                        59.10

                        3.26

                        30K-100K

                        ONLJ-2181151320

                        12.5

                        89.5

                        193

                        20

                        114.5

                        218

                        61.50

                        2.17

                        30K-100K

                        ONLJ-2371141830

                        18

                        78

                        201

                        30

                        114

                        237

                        63.00

                        4.69

                        30K-100K

                        ONLJ-3010810815

                        8

                        65

                        285

                        15

                        81

                        301

                        73.20

                        1.04

                        30K-100K

                        ONLJ-3501611730

                        17

                        127

                        316

                        30

                        161

                        350

                        95.40

                        4.43

                        30K-100K

                        ONLJ-4152142425

                        23.5

                        167

                        368

                        25

                        214

                        415

                        116.40

                        5.11

                        30K-100K

                        ONLJ-4301291025

                        10

                        109

                        410

                        25

                        129

                        430

                        107.80

                        2.17

                        30K-100K

                        ONLJ-4701691825

                        18

                        133

                        434

                        25

                        169

                        470

                        120.60

                        5.91

                        30K-100K

                        ONLJ-5532531725

                        17

                        219

                        519

                        25

                        253

                        553

                        154.40

                        3.69

                        30K-100K

                        ONLH Rectangle Core Series

                        Part No.

                        Core Dimension (mm)

                        Le

                        (cm)

                        Ae

                        (cm2)

                        OD

                        ID

                        L

                        HT

                        ONLH-0460390420

                        39

                        31

                        46

                        20

                        12.39

                        0.70

                        30K-100K

                        ONLH-1160490615

                        48.5

                        36.5

                        115.5

                        15

                        26.75

                        0.78

                        30K-100K

                        ONLH-2591441030

                        144

                        124

                        259

                        30

                        65.08

                        2.61

                        30K-100K

                        ONLH-2731581730

                        158

                        124

                        273

                        30

                        67.27

                        4.44

                        30K-100K

                        ONLH-4322322425

                        232

                        184

                        432

                        25

                        105.51

                        5.22

                        30K-100K

                        ONLH-5672671725

                        267

                        233

                        567

                        25

                        138.50

                        3.70

                        30K-100K

                        ONLH-5841241225

                        124

                        100

                        584

                        25

                        127.17

                        2.61

                        30K-100K

                        ONLH-6101301525

                        130

                        100

                        610

                        25

                        132.11

                        3.26

                        30K-100K

                        ONLH-6201601825

                        160

                        124

                        620

                        25

                        136.59

                        3.92

                        30K-100K

                        * The dimensions of OD and HT is defined as Max. ID is defined as Min.

                         

                         

                        * Cores with other specifications can be provided concerning to customer demand.

                         

                         

                        Class of Accuracy:

                         0.5, 0.5S, 0.2, 0.2S, 0.1, 0.05, 0.02, 0.01

                        Rated Voltage:

                        0.5, 10, 15, 20, 35, 60, 110, 220, 330, 500kV

                        ӱ3