LZZBJ9-10A 10kV Current transformer
Categories：
Current transformer
Technical data
The LZZBJ9-10A 10kV Current Transformer is designed for current measurement, monitoring, and relay protection in medium-voltage power distribution systems. Manufactured with high-quality insulation materials and precision magnetic cores, it delivers stable performance, excellent accuracy, and reliable operation under demanding conditions. The transformer is suitable for switchgear, substations, industrial power networks, and utility applications requiring dependable electrical protection. Its compact structure allows easy installation while maintaining strong insulation performance and thermal stability. As a protection current transformer for power system applications, the LZZBJ9-10A provides accurate current signals to protection relays and monitoring devices, helping ensure fast fault detection and improved system safety. Strict quality control, advanced production processes, and comprehensive testing guarantee long service life, low maintenance requirements, and consistent operational reliability in modern power infrastructure.
|
Rated primary current (A) |
Accuracy Combination |
Rated secondary output(VA) |
1s thhermal current(kA) |
Rated dynamic current (kA) |
||
|
0.2S(0.2) |
0.5S(0.5) |
10P10 |
||||
|
5 |
0.75 |
1.8 |
||||
|
10 |
0.2S/10P10 0.5S/10P10 0.2/10P10 0.5/10P10 |
10 |
10 |
15 |
1.44 |
3.6 |
|
15 |
2 |
5 |
||||
|
20 |
3 |
7.5 |
||||
|
25 |
4 |
10 |
||||
|
30 |
5 |
12.5 |
||||
|
40 |
6.3 |
15 |
||||
|
50 |
8.1 |
20 |
||||
|
75 |
16.2 |
40.5 |
||||
|
100 |
21.6 |
54 |
||||
|
150 |
36 |
80 |
||||
|
200 300 |
45 |
100 |
||||
|
400 |
||||||
|
500 |
63 |
130 |
||||
|
600 |
||||||
|
800 |
||||||
|
1000 |
||||||
|
1200 |
80 |
160 |
||||
|
1500 |
||||||
|
2000 |
||||||
|
2500 |
||||||
|
3000 |
||||||
Overall dimension drawing
Key words:
Current transformer
protection current transformer for power system
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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.
This series of current transformers features an epoxy‑resin‑cast, fully enclosed insulation design. They are suitable for use in power systems with a rated frequency of 50 Hz or 60 Hz for electrical energy metering. These transformers eliminate oil contamination and fire hazards, reduce maintenance requirements, and meet the demands of oil‑free operation.
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The LZZB1-35W current transformer is an epoxy‑resin‑cast, fully enclosed device, primarily intended for power systems with a rated frequency of 50 Hz or 60 Hz and a rated voltage of 35 kV or lower. Its core function is to provide high‑accuracy current signals for energy metering, current measurement, and relay protection. This model is specifically designed to interface with equipment such as the ZW‑type 35 kV vacuum circuit breaker, offering superior dynamic and thermal stability, high accuracy, and large capacity.
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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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