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10kV LZZBJ11‑10 Indoor CT for Power Distribution Cabinet
Model and its meaning
Summarize
Current transformers (CTs) play a vital role in the monitoring and management of power systems, particularly in AC power environments. The LZZBJ11-10 current transformer is designed for AC power systems with a rated frequency of 50 Hz or 60 Hz and a rated voltage of 10 kV. Designed for accurate energy metering, voltage measurement, and relay protection, this model is a key component in ensuring grid reliability and efficiency.
The LZZBJ11-10 current transformer adheres to stringent implementation standards, namely GB20840.1-2010 and GB20840.2-2014. These standards ensure the transformer meets necessary safety and performance criteria, giving users confidence in its operational integrity. Adherence to these guidelines not only ensures measurement accuracy but also improves the overall safety of the electrical systems in which it is deployed.
Normal service condition
Installation site: Indoor
Ambient temperature: The maximum temperature is 40℃ , the minimum temperature is -25℃ , and the daily average temperature does not exceed 30℃ .
Atmospheric conditions: There is no severe pollution in the atmosphere.
Technical parameter
|
Product model（kA） |
Rated primary current（A） |
Accuracy level |
Rated output（VA） |
Short-term thermal |
Dynamic stable current |
|
LZZBJ11-10 |
10 |
0.2/0.5 |
15/15 |
0.9 |
2 |
|
15 |
1.35 |
3 |
|||
|
20 |
1.8 |
4 |
|||
|
30 |
2.7 |
6 |
|||
|
40 |
3.6 |
8 |
|||
|
50 |
4.5 |
10 |
|||
|
75 |
6.75 |
15 |
|||
|
100 |
9 |
20 |
|||
|
150 |
13.5 |
30 |
|||
|
200 |
18 |
40 |
|||
|
300 |
24.5 |
45 |
|||
|
400 |
24.5 |
45 |
|||
|
500 |
32 |
59 |
|||
|
600 |
32 |
59 |
Structure and characteristics
This series of current transformers adopt a pillar structure and are fully enclosed with epoxy resin by epoxy casting. They are resistant to pollution and moisture and are also suitable for use in tropical regions. The transformers do not require special maintenance and are safe and reliable. The product body is equipped with grounding bolts and four installation holes for installation.
