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Amorphous Cores

  • Description
Product Detail

    Cores
    Amorphous & Nanocrystalline cores are used for distribution transformers, instrument transformers, current transformers for electronic energy meter, zero-phase sequence current transformers for earth leakage circuit breaker, common mode chokes, power transformers and inductors for inverter power supply.
    Precision current transformer core - ONM series


    Applications
    •Electronic Watt hour meter
    •Precision power meter
    •Current overload protection in engine control
    •Current control in automation industry


     Features
    •High permeability, which lead to low phase and amplitude error
    •Very high saturation flux density compared with Permalloy, which bring higher measurement current range
    •Low core losses which lead to low amplitude
    •Good temperature stability


    Standard Material Characteristics

    Material

    Iron-based nanocrystalline alloy

    Saturation Flux Density Bs (T)

    1.25

    Permeability ( µ) at 0.08 A/m

    30000-120000

    Coercive Force Hc (A/m)

    0.8

    Curie Temperature (°C)

    560

    Mass Density d (kg/m3)

    7.2*103


    Product Identification:

    11.jpg


    Product code: ONM -OD ID HT
    (1) (2) (3) (4)
    (1) Series name
    (2) Core outer diameter
    (3) Core inner diameter
    (4) Core height


    Specifications

    Part No.

    Case Size (mm)

    Properties

    OD'

    ID'

    HT'

    N1:N2

    IIN(mA)
    50Hz

    V0(mV)
    min

    ONM-181305

    19.6

    11.6

    6.4

    1:1

    2.73

    0.006

    ONM-191406.5

    22.3

    12.0

    9.5

    1:1

    50

    2.00

    ONM-191408

    21.6

    12.0

    11.0

    1:1

    50

    2.00

    ONM-211310

    24.0

    11.6

    13.0

    1:1

    6.14

    0.15

    ONM-211420

    24.7

    11.3

    23.0

    1:1

    50

    9.00

    ONM-211604.5

    24.0

    14.5

    7.0

    1:1

    10

    0.02

    ONM-211610

    24.5

    14.2

    12.7

    1:1

    10

    0.25

    ONM-231610

    25.0

    14.1

    13.0

    1:1

    6.9

    0.15

    ONM-251904.5

    28.0

    17.5

    7.2

    1:1

    10

    0.02

    ONM-261810

    28.9

    16.6

    13.0

    1:1

    10

    0.25

    ONM-281815

    31.0

    15.2

    17.7

    1:1

    4.07

    0.12


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Suzhou Bomu Information Technology Co.,Ltd

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