DC Immunity single cores (LLE-SDC)

DC Current Immunity single coresLLE-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.  

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