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current transformer

LZZBJ9-12/150b/2 Epoxy Resin Cast Enclosed Post-Type Current Transformer

Model: LZZBJ9-12

Description

LZZBJ9-12 type current transformer is epoxy resin casting fully enclosed pillar structure, full working condition type current transformer, suitable for rated frequency 50Hz, rated voltage 10kV and below power system for current, energy measurement and relay protection.
  • General
  • Technical data

Overview

The LZZBJ9-12/150b/2 type current transformer is engineered to deliver precise current measurement and protection in medium voltage electrical systems. This high-quality current transformer ensures accurate performance and reliability, making it an ideal choice for a variety of industrial and commercial applications.

Key Features

  • High Accuracy: Designed to provide precise current measurement, ensuring accurate monitoring and control of electrical systems.
  • Durable Construction: Built with robust materials to withstand harsh environmental conditions and mechanical stresses.
  • Wide Frequency Range: Suitable for a broad range of frequencies, enhancing its versatility in different applications.
  • Compact Design: Space-saving design makes it easy to install in confined spaces.
  • Safety and Reliability: Meets industry standards for safety and reliability, ensuring dependable operation.

Applications

  • Power Distribution: Ideal for medium voltage power distribution systems to ensure accurate current measurement and protection.
  • Metering: Suitable for precise metering in industrial and commercial electrical installations.
  • Protection Systems: Enhances the reliability and effectiveness of protection systems in electrical networks.
  • Switchgear: Perfect for integration into medium voltage switchgear for monitoring and control.

 

LZZBJ9-12 Current Transformer Technical parameter 

Rated primary current (A) Accuacy classes combination Rated secondary output(VA) 1s thermal current(kA) Rated dynamic current(kA)
0.2S 0.2(0.5) 10P
5 0.2S/10P10
0.2S/10P15
0.2/10P10
0.2/10P15
0.5/10P10
0.5/10P15
10 10 15*, 20 0.5 1.25
10 1 2.5
15 1.5 3.75
20 3 7.5
25 3.75 9.3
30 4.5 11.2
40 6 15
50 7.5 18.7
75 10 25
100 15 37.5
150 22.5 56
200 31.5 80
300 10*, 15 45 112.5
400 45 112.5
500 63 130
600 80 140
800 15*, 30 80 140
1000 80 140
1200 100 160

Note: In the table, the data marked with*are the parameters of general products.

Current transformer dimensional drawing
transformer drawing
Ordering instructions:
When ordering, you should provide the product model, rated current ratio, accurate level combination and the corresponding rated output, rated short-time current. If you need special order, you can consult with the technical staff to solve the problem.

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