LZZB1-35W Current transformer
LZZB1-35W outdoor current transformer is epoxy resin cast insulation and fully enclosed product. It is suitable for power system with rated frequency of 50Hz or 60Hz and rated voltage of 35kV and below, for energy measurement, current measurement and relay protection.
Categories：
Current transformer
Description
LZZB1-35W outdoor current transformer is epoxy resin cast insulation and fully enclosed product. It is suitable for power system with rated frequency of 50Hz or 60Hz and rated voltage of 35kV and below, for energy measurement, current measurement and relay protection.
Type designation
Construction
This series of current transformers are epoxy resin cast insulation and fully enclosed structure. The iron core and the winding are cast into one body. There is a mounting plate at the bottom, which is resistant to pollution and humidity. The primary winding P1 and P2 ends are led out from the top of the product, and the secondary winding terminals are led out from the lower side of the product.
Technical data
1、rated insulation level：40.5/95/200kV；
2、product standards：GB 20840.2《current transformer》
3、pollution class：Ⅲ class
4、load power factor： COSΦ=0.8(lag)
5、ambient temperature：-25℃ +45℃
6、altitude：≤1000m
7、installation place：outdoor
8、rated secondary current：5A，1A
9、accuracy limit factor：ALF=10,15,20
10、instrument security factor：5，10
11、technical data form
|
Rated primary current（A） |
Accuracy classes combination |
Rated output（VA） |
Rated short-time Thermal current（kA） |
Rated dynamic current（kA） |
|
20-75 |
0.5/10P10 0.2/10P10 0.2S/10P10 0.2/0.5/10P10 0.2S/0.5/10P10 0.2S/0.5/10P10/10P10 |
20/50 20/50 15/20/30 15/20/30 15/20/30/30 |
100In |
255In |
|
100 |
21 |
52.5 |
||
|
150-200 |
31.5 |
78.7 |
||
|
300-400 |
63 |
157.5 |
||
|
500-600 |
80 |
200 |
||
|
800-1000 |
||||
|
1200-1500 |
||||
|
1800-2000 |
140 |
200 |
Note: The product can be double-ratio. When the double-ratio product has a protective winding, unless otherwise specified, the protective winding is made according to the large ratio of the double-ratio.
Outline drawing and dimensions of installation
Notice
1、In using，the secondary winding must not be open – circuited .
2、Any special requirements can be negotiated with us.
Key words:
Current transformer
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Zhengzhou KBT Transformer Instrument Co., Ltd. is a specialized production enterprise mainly based on power transformers, which integrates product development,production, sales, service and technology consulting.
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Zhengzhou KBT Transformer Co., Ltd. is a specialized production enterprise mainly based on power transformers, which integrates product development, production, sales, service and technology consulting.
HUATAO GROUP
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