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You are here: Home » Products » Current Transformer Cores » DC Immune CT Core » Composite core for DC immune current transformer
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Composite core for DC immune current transformer

Composite core for DC immune current transformer, Magnetic core structure features:
The original patented technology, magnetic core composite of high magnetic and constant magnetic materials.
Core performance characteristics:
Strong ability resistance to DC
High precision, applicable grade range 0.5-0.1 class, applicable current range 1.5-200A
Excellent high and low temperature characteristics
High cost performance
Application areas:
DC immune current transformer for electric meter/energy meter/smart meter
DC Immune current transformer for power system measurement and control

  • Composite core for DC immune current transformer
  • ZEMING
  • 8504909090
  • DC immune core.pdf

Product Description

Composite core for DC immune current transformer

Magnetic core structure features:

The original patented technology,  magnetic core composite of high magnetic and constant magnetic materials.                                                                       

Core performance characteristics:

Strong ability resistance to DC

High precision, applicable grade range 0.5-0.1 class, applicable current range 1.5-200A

Excellent high and low temperature characteristics

High cost performance


Application areas:

DC immune current transformer for electric meter/energy meter/smart meter

DC Immune current transformer for power system measurement and control


Common size specifications, applicable accuracy levels, and DC ranges :

No.Core sizeOutline DimensionsAccuracy levelApplicable current range
1Φ14×20×10Φ12.2×22.7×11.80.50.1 level20-40A
2Φ14×21×8Φ12.5×22.65×9.50.50.1 level60A
3Φ15×21×10Φ12.8×23.6×12.80.50.1 level10-40A
4Φ15.5×24×8Φ13.7×26.3/×9.90.50.1 level60A
5Φ16×21×10Φ13.6×23.6×12.50.50.1 level40-60A
6Φ16×23×10Φ14.0×25.0×13.00.50.1 level40-60A
7Φ16×25×8Φ13.7×27.8×10.80.50.1 level60A
8Φ17×22×10Φ15.3×24.4×12.30.50.1 level60A
9Φ17×22×10AΦ15.3×24.4×12.30.50.1 level30A
10Φ17×24×8Φ15.3×26.3×9.90.50.1 level60A
11Φ17×25×10Φ15.3×27.8×13.10.50.1 level80A-100A
12Φ17×25×10AΦ15.6×28.0×12.80.50.1 level100A
13Φ17×28×8Φ15.2×29.8×10.10.50.1 level65A
14Φ17×28×8AΦ15.2×29.8×10.10.50.1 level100A
15Φ18×24×10Φ15.8×26.6×12.80.50.1 level60-100A
16Φ18×25×12Φ16.2×27.6×14.20.50.1 level100A
17Φ18×28×15Φ16.0×30.2×17.60.50.1 level100A
18Φ19×27×8Φ16.6×29.3×9.80.50.2 level60-100A
19Φ19×27×12Φ17.15×28.8×140.50.1 level100-120A
20Φ19×28×10Φ17.1×30×12.40.50.1 level100A
21Φ19×28×12Φ17.1×30.2×13.90.50.1 level120A
22Φ20×30×8Φ18.1×32.6×100.50.2 level100-120A
23Φ21×29×10Φ18.8×32.1×13.80.50.1 level60-80A
24Φ21×29×10AΦ18.8×32.1×13.80.50.1 level100A
25Φ23×33×15Φ21.2×36.2×18.10.50.1 level200A
26Φ22×32×8Φ20.5×34.1×10.20.50.1 level100-120A
27Φ48×60×15Φ46.0×64.0×19.50.50.1 level200A

Note:

1. The above performance parameters are related to the actual number of windings and wire diameter of the customer, and are only used as reference for customer selection.

2. Can be customized according to the user's specific size performance requirements.


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