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Amorphous Cores
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Product: Views:300Amorphous Cores 
Unit price: Negotiable
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Valid until: Long-term effective
Last updated: 2018-05-27 11:02
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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:


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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