DC Current Immunity composite cores

Short Description:

Unique patent hold, DC current immunity composite cores with amorphous
And nanocrystalline cores together.
Strong immunity for DC current
Applicable Current range 1.5-200A
Good temperature stability
With competitive price and good quality



Product Detail

Features

● Unique patent hold, DC current immunity composite cores with amorphous
● And nanocrystalline cores together.
● Strong immunity for DC current
● Applicable Current range 1.5-200A
● Good temperature stability
● With competitive price and good quality

Appications

●Energy meters, smart meters
● Electromechanical meter
● Electrical measuring instruments
● Electrical protective devices
● Current sensing modules
● Adjustable speed drives
● Variable-frequency drives
● Wind power converter
● Power supply

Basic Parameters

ItemPerformance
Material CompositionFeCuNbSiB
Thicknessum28~35
Saturation induction Bs (T)1.25
Curie temperature(oC)570oC
Hardness Hv880
Crystalline temperature Tc(oC) 500oC
Saturation magnetostriction 2×10-6 
Initial permeability μi≥80000
Maximum permeability um≥500000
Densityg/cm³  7.2
electrical resistivity(μΩ.cm) 130
Lamination factor ≥0.8
Operating Temperature Range-50~120
ItemPerformance
Material CompositionFeCuNbSiB
Thicknessum28~35

Standard cores dimensions, Applicable CT accuracy , Maximal DC current immunity range

Part No.

Core dimensions

ODxIDxH

Finished Dimensions

ODxIDxH

CT  accuracy

DC Compliance

1

20×14×10

22.5×12.1×12.2

0.50.1 Class

20-40A

2

21×15×10

23.6×12.8×12.8

0.50.1 Class

10-40A

3

24×15.5×8

26.3×13.7×9.9

0.50.1 Class

60A

4

21×16×10

24.7×14.0×12.5

0.50.1 Class

40-60A

5

23×16×10

25.0×14.0×13.0

0.50.1 Class

40-60A

6

25×16×8

27.8×13.7×10.8

0.50.1 Class

60A

7

22×17×10

24.4×15.3×12.3

0.50.1 Class

60A

8

22×17×10A

24.4×15.3×12.3

0.50.1 Class

30A

9

24×17×8

26.3×15.3×9.9

0.50.1 Class

60A

10

25×17×10

28.0×15.6×12.8

0.50.1 Class

80A

11

25×17×10A

28.0×15.6×12.8

0.50.1 Class

100A

12

28×17×8

29.8×15.2×10.1

0.50.1 Class

65A

13

28×17×8A

29.8×15.2×10.1

0.50.1 Class

100A

14

24×18×10

26.6×15.8×12.8

0.50.1 Class

60-100A

15

25×18×12

27.6×16.2×14.2

0.50.1 Class

100A

16

28×18×15

30.2×16.0×17.6

0.50.1 Class

100A

17

27×19×8

29.3×16.6×9.8

0.50.2 Class

60-100A

18

27×19×12

28.9×17.1×13.9

0.50.1 Class

100-120A

19

28×19×12

30.2×17.1×13.9

0.50.1 Class

120A

20

30×20×8A

32.7×18.0×9.8

0.50.2 Class

100-120A

21

29×21×10

32.1×18.8×13.8

0.50.1 Class

60-80A

22

29×21×10A

32.1×18.8×13.8

0.50.1 Class

100A

Notice:For your reference, the standard parameters above may vary according to your specifically designed turns and coil diameter of the transformer. We could design and manufacture the suitable cores according to your exact requirement.


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