LJ-ZW32-10(12) Zero-Sequence Protection outdoor Current Transformer

LJ-ZW32-10(12) Zero-Sequence Protection outdoor Current Transformer

The LJ-ZW32-10(12) Zero-Sequence Protection Combined Current Transformer is designed for precise monitoring and protection in medium-voltage power systems. Tailored for ZW32-10 Vacuum Circuit Breakers, it generates zero-sequence current signals for reliable fault detection, circuit isolation, and alarm triggering. Featuring silicon rubber insulation, it delivers superior pollution resistance, moisture protection, and durability, with a wet withstand […]

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The LJ-ZW32-10(12) Zero-Sequence Protection Combined Current Transformer is designed for precise monitoring and protection in medium-voltage power systems. Tailored for ZW32-10 Vacuum Circuit Breakers, it generates zero-sequence current signals for reliable fault detection, circuit isolation, and alarm triggering.

Featuring silicon rubber insulation, it delivers superior pollution resistance, moisture protection, and durability, with a wet withstand voltage 1.5 to 2.5 times greater than traditional epoxy resin products. Its robust construction ensures excellent impact resistance, anti-creep performance, and explosion-proof reliability, making it ideal for demanding outdoor applications. This high-performance Zero-Sequence Protection Current Transformer is perfect for applications requiring energy metering, current measurement, and relay protection.

LJ-ZW32-10(12) Zero-Sequence CT Type designation、

LJ-ZW32-10,(LJ-ZW32-12) 10KV CT Current Transforme type

The Key Features and Structure of LJ-ZW32-10(12) Current Transformers:

This designation clearly outlines the technical specifications and structure of the LJ-ZW32-10(12) Current Transformer, ensuring precise identification and suitability for specific applications.

LJ-ZW32-10(12) Service conditon

These specifications ensure the LJ-ZW32-10(12) Current Transformers deliver reliable and consistent performance across a variety of demanding environmental conditions.

LJ-ZW32-10(12) CT Construction

The LJ-ZW32-10(12) Current Transformer is constructed with advanced materials and a robust design to ensure durability and reliability:

This construction ensures the LJ-ZW32-10(12) Current Transformer delivers exceptional performance, safety, and durability in medium-voltage outdoor power systems.

LJ-ZW32-10(12) CT Technical Parameters

The LJ-LZW32-10(12) Current Transformers are designed for 10kV and 12kV power systems, supporting primary currents from 100A to 1200A and secondary currents of 5A (optional 1A). With a 5P10 accuracy class, rated outputs from 2.5VA to 25VA, and an insulation level of 10(12)/42kV, they deliver precise measurement and reliable relay protection.

Type Rated Primary Current
(A)
Rated
Secondary
Current (A)
Accurate & Rated Output (VA) Rated Insulation
Level (kV) </tdth
5P10
LJ-LZW32-10(12) 100, 150, 200 5(1) 2.5 3.74 5 10(12)/42
100, 200, 300 2.5 5 7.5
200, 300, 400 5 7.5 10
200, 400, 600 5 10 15
600, 800, 1000 15 20 25
800, 1000, 1200 15 20 25
Zero Sequence 20 1 0.1Ω
50 0.2Ω

Customization: 

  1. Special specifications or high-precision products can be manufactured according to user requirements.
  2. During use, only one ratio of the current transformer can be used, multiple ratios cannot be used simultaneously.
  3. This type of current transformer is specially designed for power system intelligence, lightweight, small size, and patented technology. The design is highly efficient, combining A, B, C phase protection and zero-sequence grounding protection.

Outline and Dimensions of Installation

LJ-ZW32-10,(LJ-ZW32-12) 10KV CT Current Transforme Outline and Dimensions of Installation

LJ-ZW32-10(12) Zero-Sequence Protection Current Transformer Outline and Dimensions of Installation

 

Note: This page outlines the key details of the LJ-ZW32-10(12) Zero-Sequence Protection Combined Current Transformer, including construction features, service conditions, technical specifications, and installation guidelines. For additional assistance with model selection or tailored solutions for non-standard requirements, please reach out to our technical support team.


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