LZW43-10, LJ-ZW32-10(12) Current Transformer Overview

The LZW32 and LZW43 Outdoor Current Transformers are specifically designed for ZW32 and ZW43 vacuum circuit breakers, offering reliable multi-level current measurement and fault protection. Made with advanced silicon rubber insulation, these transformers provide superior pollution resistance, anti-flashover capabilities, and enhanced wet and pollution withstand voltage, up to 2.5 times that of traditional outdoor epoxy resin products. With excellent impact resistance, anti-creep performance, and robust explosion-proof properties, they outperform older generation transformers in both structural and electrical performance, ensuring reliable and safe operation in outdoor pole-mounted switchgear applications.

LZW43, LJ-ZW32-10kv CT Type designation

Key Features and Structure of LZW43-10(12) and LZW32-10(12) Current Transformers:

• L: Represents “Current Transformer.”
• ZW43/ZW32: Specifies the model designed for vacuum circuit breakers ZW43 or ZW32.
• 10(12): Denotes the rated voltage, indicating compatibility with 10kV or 12kV power systems.

These type designations provide a clear understanding of the LZW43-10(12) and LZW32-10(12) current transformers, highlighting their suitability for specific vacuum circuit breaker models and their rated voltage levels.

LZW43-10, LJ-ZW32-10(12)  Service conditon

1. Altitude: Up to 1000m.
2. Ambient Temperature: -5°C to +40°C.
3. Relative Humidity: ≤90% at 20°C.
4. Pollution Level: Designed to meet class II pollution conditions.
5. Environment: Free from harmful gases, chemicals, or pollutants that could damage insulation performance.
6. Installation: Suitable for outdoor pole-mounted applications with stable and secure operation.

These conditions ensure the reliable performance and durability of the LZW43-10 and LJ-ZW32-10(12) current transformers in diverse outdoor environments.

LZW43-10, LJ-ZW32-10(12)  CT Construction

The LZW43-10 and LJ-ZW32-10(12) Current Transformers are  specifically designed to integrate with vacuum circuit breakers such as ZW43 or ZW32. These transformers provide robust construction and reliable performance for 10kV and 12kV power systems, suitable for both indoor and outdoor applications.

Key Construction Features:

1. Compatibility with Vacuum Circuit Breakers: ZW43/ZW32: Specifies the model designed for vacuum circuit breakers ZW43 or ZW32, ensuring seamless integration and optimal performance.
2. High-Grade Insulation: Rated insulation level of 10(12)/42kV, offering excellent dielectric strength and safety in harsh environments.
3. Primary and Secondary Windings:
   • Primary Windings: Supports a wide range of primary currents, from 20A to 1200A, catering to various operational needs.
   • Secondary Windings: Standard secondary current of 5A (optional 1A) for accurate current measurement and protection.
4. Rated Outputs: Configured with rated outputs of up to 40VA, ensuring precision in measurement and relay protection.
5. Compact and Durable Construction: Built with durable materials to withstand demanding environmental conditions, ensuring a long operational lifespan.

Applications: Designed for current measurement, energy metering, and relay protection in 10kV and 12kV power systems, these transformers are ideal for power plants, substations, and industrial facilities.The LZW43-10 and LJ-ZW32-10(12) Current Transformers, with their compatibility for vacuum circuit breakers and robust construction, offer reliable and customizable solutions for medium-voltage power systems.

LZW43-10, LJ-ZW32-10(12)  CT Technical Parameters

The LZW32-10(12) and LZW43-10(12) Oil-Immersed Current Transformers are engineered for 10kV and 12kV power systems, supporting primary currents ranging from 20A to 1200A. These transformers feature a secondary current of 5A (optional 1A) and are available with 10P10 accuracy class for reliable protection and precise measurement.

With rated outputs of up to 40VA and a robust insulation level of 10(12)/42kV, they provide stable performance across a range of applications, including current measurement, energy metering, and relay protection, even in demanding environments.

Type	Rated Primary Current (A)	Rated Secondary Current (A)	Accurate and Rated Output (VA)	The Rated Insulation Level (kV)
			10P10
LZW32-10(12) LZW43-10(12)	20~30~50	5(1)	5/10/10	10(12)/42
	50~100~150		10/15/15
	100~200~300		10/15/15
	200~400~600		10/15/20
	600~1000~1200		20/30/40

Customization and Support: We offer customized solutions for the LZW32-10(12) and LZW43-10(12) Current Transformers, including tailored current ratios, accuracy classes, and rated outputs to meet specific operational needs. Contact us to design a transformer perfectly suited to your requirements.

Outline and Dimensions of Installation

LZW43-10(12) Current Transforme

LZW32-10(12) Current Transforme

 

Note: This page provides comprehensive details about the LZW43-10 and LJ-ZW32-10(12) Oil-Immersed Current Transformers, including compatibility with vacuum circuit breakers, technical specifications, accuracy classes, and dimensions. For guidance on selecting the appropriate model or for customized solutions to meet unique requirements, please reach out to our expert team.

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