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Help Center0.2S Accuracy Class 10kV Indoor Current Transformer LZZBJ9-10A With Warranty
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As a professional manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. specializes in producing high-precision measurement components for the global power industry. Our 0.2S Accuracy Class 10kV Indoor Current Transformer LZZBJ9-10A is engineered to deliver exceptional reliability and accuracy for critical energy metering and protection applications. With over a decade of experience and a commitment to stringent quality management systems, we provide transformers that ensure precise current measurement, enhanced system safety, and long-term operational stability for utilities, industrial plants, and commercial facilities worldwide.
This current transformer is designed for indoor installation in medium-voltage switchgear, ring main units, and compact substations. Its advanced design focuses on providing stable performance under varying load conditions, which is crucial for revenue metering and protective relay operations.
Core Product Features & Technical Advantages:
- High Precision 0.2S Class: Offers superior accuracy over a wide range of currents, from 1% to 120% of the rated current, minimizing measurement errors for billing and monitoring.
- Robust 10kV Insulation: Cast resin insulation ensures excellent dielectric strength, thermal stability, and resistance to environmental factors, suitable for indoor applications.
- Compact & Safe Design: The LZZBJ9-10A model features a compact footprint for easy integration into existing switchgear panels, with fully insulated terminals for enhanced safety during installation and maintenance.
- Wide Application Compatibility: Ideal for use in energy management systems, feeder protection, generator protection, and power quality monitoring networks.
- Customizable Parameters: Primary current ratios, secondary outputs (1A or 5A), and burden ratings can be tailored to meet specific project requirements.
Detailed Technical Specifications:
The following table outlines the standard specifications for the LZZBJ9-10A model. Custom variations are available upon request.
| Parameter | Specification |
| Standard | IEC 61869-1, IEC 61869-2 |
| Rated Voltage | 10kV / 12kV |
| Accuracy Class | 0.2S (for metering) |
| Rated Frequency | 50Hz / 60Hz |
| Insulation Class | Cast Resin |
| Installation | Indoor, fixed mounting |
| Ambient Temperature | -25°C to +40°C |
Benefits for Your Operations:
- Improved Billing Accuracy: The 0.2S class significantly reduces measurement uncertainty, leading to fair and accurate energy billing.
- Enhanced System Protection: Provides reliable current signals for protective relays, ensuring quick isolation of faults and minimizing equipment damage.
- Reduced Lifecycle Costs: Durable construction and stable performance lower maintenance needs and extend service life.
- Global Compliance: Manufactured according to international IEC standards, facilitating use in projects worldwide.
Backed by Jinhua Dika's robust manufacturing capabilities and a track record of supplying to diverse markets including North America, Southeast Asia, Europe, and Africa, this current transformer represents a reliable choice. Our annual export value of US$1-1.5 million and adherence to recognized management systems underscore our commitment to quality and customer satisfaction. Every unit comes with a warranty for your peace of mind. Choose the LZZBJ9-10A for precise, dependable current measurement that supports the efficiency and safety of your electrical infrastructure. Contact us today to discuss your specific requirements or to request a sample.
Frequently Asked Questions (FAQ)
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What does the "0.2S" accuracy class mean?
It indicates a high-precision class for metering. The "S" denotes a special extended range where the transformer maintains its accuracy from 1% to 120% of the rated current, which is essential for accurate measurement at low loads. -
Is this transformer suitable for both 50Hz and 60Hz systems?
Yes, the LZZBJ9-10A is designed to operate correctly at both standard power frequencies, 50Hz and 60Hz. -
Can I get a custom primary current ratio?
Absolutely. While standard ratios are available, we frequently customize the primary current rating (e.g., 150/5A, 600/1A) to match your system's specific needs. -
What is the typical delivery time for an order?
Lead time depends on order quantity and customization. For standard models, it is generally shorter. We provide estimated timelines upon receipt of your detailed inquiry. -
How is the warranty handled?
A standard warranty period is provided with the product. The specific terms and duration can be discussed and confirmed in the sales contract. -
What are the main application areas for this indoor CT?
Its primary uses are in indoor switchgear for utility metering, industrial plant energy monitoring, commercial building substations, and as a sensor for protection relays. -
Does it come with mounting brackets or hardware?
Mounting provisions are integrated into the transformer design. Specific mounting hardware may be included or specified based on the application panel design. -
Are test reports available?
Test reports, including ratio, phase angle, and dielectric tests, can be provided upon request to verify performance against specifications.
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