DC Immunity single cores （LLE-SDC）
DC Current Immunity single cores（LLE-SDC）
Features：
- Made by single magnetic materials with constant permeability (μ= 1400-2000)
Magnetic features：
- Strange DC current immunity，Applicable current range （1.5A-200A）
- High linearity, High accuracy class, Applicable transformer accuracy range 0.5-0.1 Class
- Good temperature stability
- Core size saving by Volume and weight
APPLications：
- DC current immunity transformers in electronic energy meter / watt-hour meter
- Metering transformer in electronic power system
Basic parameter
| Item | Unit | Specs |
| B800 | [T] | ≥1.4 |
| Br | [T] | ≤0.05 |
| Hc | [A/m] | ≤12 |
| µ | 2000 |
Standard cores dimensions, Applicable CT accuracy , Maximal DC current immunity range：
|
Part No. |
Core dimensions |
Finished Dimensions |
CT accuracy |
DC Compliance |
|
1 |
Φ14×20×10 |
Φ12.1×22.5×12.2 |
0.5－0.1 class |
60A |
|
2 |
Φ16×21×10 |
Φ14.0×24.7×12.5 |
0.5－0.1 class |
80A |
|
3 |
Φ17×22×10 |
Φ15.3×24.4×12.3 |
0.5－0.1 class |
80A |
|
4 |
Φ17×24×8 |
Φ15.3×26.3×9.9 |
0.5－0.1 class |
60A |
|
5 |
Φ18.5×24.5×6.5 |
Φ16.5×26.5×8.5 |
0.5－0.1 class |
100A |
|
6 |
Φ21×29.5×5 |
Φ19×31.5×7 |
0.5－0.1 class |
105A |
|
7 |
Φ25×32×6.5 |
Φ22×34×8.5 |
0.5－0.1 class |
150A |
|
8 |
Φ30×40×8 |
Φ27×42×10.5 |
0.5－0.1 class |
200A |
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.
