1.Features：
l DC current immunity composite cores is combined with amorphous and nanocrystalline cores together
2.Magnetic features：
l Strong DC current immunity
l Applicable Current range 1.5-200A
l Good temperature stability
l With competitive price and good quality
3.Allpications：
l DC current immunity transformers in electronic energy meter / watt-hour meter
l Metering transformer in electronic power system
4.Standard cores dimensions, Applicable CT accuracy , Maximal DC current immunity range
Part No. | Core dimensions | Finished Dimensions | CT accuracy | DC Compliance |
NA-DC-1 | 20×14×10 | 22.5×12.1×12.2 | 0.5－0.1 Class | 20-40A |
NA-DC-2 | 21×15×10 | 23.6×12.8×12.8 | 0.5－0.1 Class | 10-40A |
NA-DC-3 | 24×15.5×8 | 26.3×13.7×9.9 | 0.5－0.1 Class | 60A |
NA-DC-4 | 21×16×10 | 24.7×14.0×12.5 | 0.5－0.1 Class | 40-60A |
NA-DC-5 | 23×16×10 | 25.0×14.0×13.0 | 0.5－0.1 Class | 40-60A |
NA-DC-6 | 25×16×8 | 27.8×13.7×10.8 | 0.5－0.1 Class | 60A |
NA-DC-7 | 22×17×10 | 24.4×15.3×12.3 | 0.5－0.1 Class | 60A |
NA-DC-8 | 22×17×10A | 24.4×15.3×12.3 | 0.5－0.1 Class | 30A |
NA-DC-9 | 24×17×8 | 26.3×15.3×9.9 | 0.5－0.1 Class | 60A |
NA-DC-10 | 25×17×10 | 28.0×15.6×12.8 | 0.5－0.1 Class | 80A |
NA-DC-11 | 25×17×10A | 28.0×15.6×12.8 | 0.5－0.1 Class | 100A |
NA-DC-12 | 28×17×8 | 29.8×15.2×10.1 | 0.5－0.1 Class | 65A |
NA-DC-13 | 28×17×8A | 29.8×15.2×10.1 | 0.5－0.1 Class | 100A |
NA-DC-14 | 24×18×10 | 26.6×15.8×12.8 | 0.5－0.1 Class | 60-100A |
NA-DC-15 | 25×18×12 | 27.6×16.2×14.2 | 0.5－0.1 Class | 100A |
NA-DC-16 | 28×18×15 | 30.2×16.0×17.6 | 0.5－0.1 Class | 100A |
NA-DC-17 | 27×19×8 | 29.3×16.6×9.8 | 0.5－0.2 Class | 60-100A |
NA-DC-18 | 27×19×12 | 28.9×17.1×13.9 | 0.5－0.1 Class | 100-120A |
NA-DC-19 | 28×19×12 | 30.2×17.1×13.9 | 0.5－0.1 Class | 120A |
NA-DC-20 | 30×20×8A | 32.7×18.0×9.8 | 0.5－0.2 Class | 100-120A |
NA-DC-21 | 29×21×10 | 32.1×18.8×13.8 | 0.5－0.1 Class | 60-80A |
NA-DC-22 | 29×21×10A | 32.1×18.8×13.8 | 0.5－0.1 Class | 100A |
Notes: 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.
