DHC89AB2 Combination transformer
AC Current/leakage Transformer
Rated input current：AC 5-20A
Ratio: 1000: 1 / 2000:1
PCB PIN type
Feature：
1.Combination of current transformer and leakage current transformer
2.Matching primary conductor, easy to assemble and weld
3.The circuit board facilitates wiring and saves space
4.Permalloy core
5.High precision, good linearity
6.Epoxy potting , Safe and reliable
7.Flame retardant (UL94- V0)
8.Environmental protection ( EU RoHS)
More Choices
Describe
GB20840.1-2010
GB20840.2-2014
Use Temperature：-25℃-+85℃
Relative humidity：≤95%
Applications: It is suitable for electromechanical products that require current measurement and protection, such as electricity meters, communication power supplies, new energy equipment, smart home, security equipment, and automation equipment.
Notes：If the load connected to the secondary of the transformer exceeds the rated load capacity, it may result in reduced accuracy or saturation. If you need to increase the load capacity and we can provide customized.
Size
Circuit schematic
Note: This schematic diagram is the basic working principle of the transformer. We can design the transformer sampling circuit for the customer.
Specification
|
Project |
Performance |
|
|
Spec |
DHC89AB2 |
|
|
|
leakage current transformer |
|
|
Rated input current |
20A |
30mA |
|
Rated output current |
10mA |
30μA |
|
Allow overload multiple |
1.2 times |
2 times |
|
Ratio |
2000:1 |
1000:1 |
|
Ratio difference |
≤0.1% |
≤1% |
|
Phase difference |
≤5´ |
≤60´ |
|
Accuracy level |
0.1 |
1.0 |
|
Linearity |
≤0.1% |
≤1% |
|
Load Resistance |
20Ω |
100Ω |
|
isolation withstand voltage |
3kV/2mA/1min |
|
|
frequency range |
50/60Hz(Test frequency:50Hz) |
|
|
Working Temperature |
-25～85℃ |
|
|
Storage Temperature |
-40～90℃ |
|
|
Relative humidity |
≤95% |
|
Note:If there is no product suitable for your use in the above table, we can tailor the product according to your technical and structural requirements.
For more information about our products, welcome to contact us at any time!
