DC Current Immunity composite cores
● 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
●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
| Item | Performance |
| Material Composition | FeCuNbSiB |
| Thickness（um） | 28~35 |
| Saturation induction Bs (T) | 1.25 |
| Curie temperature(oC) | 570oC |
| Hardness Hv | 880 |
| Crystalline temperature Tc(oC) | 500oC |
| Saturation magnetostriction | 2×10-6 |
| Initial permeability μi | ≥80000 |
| Maximum permeability um | ≥500000 |
| Density（g/cm³ ） | 7.2 |
| electrical resistivity(μΩ.cm) | 130 |
| Lamination factor | ≥0.8 |
| Operating Temperature Range | -50~120℃ |
| Item | Performance |
| Material Composition | FeCuNbSiB |
| Thickness（um） | 28~35 |
Part No. | Core dimensions ODxIDxH | Finished Dimensions ODxIDxH | CT accuracy | DC Compliance | ||
1 | 20×14×10 | 22.5×12.1×12.2 | 0.5－0.1 Class | 20-40A | ||
2 | 21×15×10 | 23.6×12.8×12.8 | 0.5－0.1 Class | 10-40A | ||
3 | 24×15.5×8 | 26.3×13.7×9.9 | 0.5－0.1 Class | 60A | ||
4 | 21×16×10 | 24.7×14.0×12.5 | 0.5－0.1 Class | 40-60A | ||
5 | 23×16×10 | 25.0×14.0×13.0 | 0.5－0.1 Class | 40-60A | ||
6 | 25×16×8 | 27.8×13.7×10.8 | 0.5－0.1 Class | 60A | ||
7 | 22×17×10 | 24.4×15.3×12.3 | 0.5－0.1 Class | 60A | ||
8 | 22×17×10A | 24.4×15.3×12.3 | 0.5－0.1 Class | 30A | ||
9 | 24×17×8 | 26.3×15.3×9.9 | 0.5－0.1 Class | 60A | ||
10 | 25×17×10 | 28.0×15.6×12.8 | 0.5－0.1 Class | 80A | ||
11 | 25×17×10A | 28.0×15.6×12.8 | 0.5－0.1 Class | 100A | ||
12 | 28×17×8 | 29.8×15.2×10.1 | 0.5－0.1 Class | 65A | ||
13 | 28×17×8A | 29.8×15.2×10.1 | 0.5－0.1 Class | 100A | ||
14 | 24×18×10 | 26.6×15.8×12.8 | 0.5－0.1 Class | 60-100A | ||
15 | 25×18×12 | 27.6×16.2×14.2 | 0.5－0.1 Class | 100A | ||
16 | 28×18×15 | 30.2×16.0×17.6 | 0.5－0.1 Class | 100A | ||
17 | 27×19×8 | 29.3×16.6×9.8 | 0.5－0.2 Class | 60-100A | ||
18 | 27×19×12 | 28.9×17.1×13.9 | 0.5－0.1 Class | 100-120A | ||
19 | 28×19×12 | 30.2×17.1×13.9 | 0.5－0.1 Class | 120A | ||
20 | 30×20×8A | 32.7×18.0×9.8 | 0.5－0.2 Class | 100-120A | ||
21 | 29×21×10 | 32.1×18.8×13.8 | 0.5－0.1 Class | 60-80A | ||
22 | 29×21×10A | 32.1×18.8×13.8 | 0.5－0.1 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.
