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As a professional manufacturer with a strong presence in global markets, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce the LMZK-10 10kV Current Transformer. Engineered for precision and durability in medium-voltage applications, this instrument transformer is a cornerstone for reliable power measurement and protection systems. With over a decade of experience and a commitment to quality certified by multiple international standards, we deliver products that ensure operational safety and accuracy for our clients worldwide. The LMZK-10, featuring an IP20 protection degree, is designed to meet the rigorous demands of modern electrical grids, offering a dependable solution for utilities and industrial facilities.
The LMZK-10 Current Transformer is built with a focus on long-term performance and ease of integration. Its core design ensures minimal energy loss and stable output signals, which are critical for accurate billing and protective relay operations. We utilize high-grade materials and advanced manufacturing processes to achieve consistent quality across all units.
- High Accuracy and Stability: The transformer maintains its specified accuracy class over a wide range of operating conditions, including varying loads and ambient temperatures. This stability is crucial for applications where precise current measurement is non-negotiable.
- Robust Construction for IP20 Protection: The IP20 rating indicates protection against solid objects larger than 12.5mm and no protection against water. This makes the LMZK-10 suitable for indoor installations or within enclosed switchgear where the risk of liquid ingress is minimal but protection against accidental contact with live parts and large foreign objects is required.
- Versatile Application Range: This 10kV current transformer is ideal for use in substations, industrial power distribution networks, renewable energy plants, and commercial building power systems. It serves key functions in energy metering, load monitoring, and system protection schemes.
- Customizable Configurations: While the LMZK-10 comes with standard specifications, we offer flexibility in parameters such as turns ratio, accuracy class, and secondary output to match specific project requirements. This adaptability ensures seamless compatibility with your existing equipment.
To provide a clear overview of its technical capabilities, here are some key specifications:
| Parameter | Specification / Value |
|---|---|
| Rated Primary Voltage | 10 kV |
| Standard Rated Frequency | 50 Hz / 60 Hz |
| Common Accuracy Classes | 0.2, 0.5, 1.0 |
| Rated Secondary Current | 1A or 5A (standard) |
| Rated Insulation Level | 12/42/75 kV (Power Frequency/Lightning/Impulse Withstand) |
| Thermal Short-Time Current Rating | Specified as per order (e.g., 50 kA for 1s) |
| Ambient Temperature Range | -25°C to +40°C (operational) |
The primary benefit for our clients is enhanced system reliability and reduced operational risk. By providing accurate and isolated current signals, the LMZK-10 enables protective devices to function correctly, preventing equipment damage and costly downtime. Its robust design translates to lower maintenance needs and a longer service life, offering excellent total cost of ownership. Furthermore, its compliance with international electrical standards facilitates its acceptance in projects across our diverse main markets, from North America and Western Europe to Southeast Asia and Africa.
Jinhua Dika Electrical backs the LMZK-10 with a solid foundation of manufacturing excellence. Our annual export value of US$1 Million to US$1.5 Million and our team of 11-50 dedicated professionals are testament to our capacity and commitment. We hold a comprehensive suite of management system certifications, including ISO 9001 for quality and ISO 14000 for environmental management, ensuring that every production step adheres to stringent controls. Served by major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, we guarantee efficient and reliable logistics for your orders. Choose the LMZK-10 10kV Current Transformer for a product that combines technical precision with the assurance of a reputable manufacturer dedicated to powering your success.
Frequently Asked Questions (FAQ)
Q1: What does the IP20 protection degree mean for this current transformer?
A1: IP20 signifies a basic level of ingress protection. The '2' means it is protected against solid foreign objects of 12.5mm diameter or greater (like fingers). The '0' indicates it is not protected against water ingress. Therefore, this transformer is intended for indoor use in dry environments or within adequately protected enclosures.
Q2: Can the LMZK-10 be used for both metering and protection purposes?
A2: Yes, it can be applied in both scenarios. However, the required accuracy class and performance under fault conditions differ. For metering, high accuracy classes like 0.2 or 0.5 are typical. For protection, factors like accuracy limit factor (ALF) and saturation characteristics are more critical. Please specify your intended application so we can recommend the most suitable model variant.
Q3: What are the standard accuracy classes available?
A3: Standard offerings include classes 0.2, 0.5, and 1.0. Class 0.2 offers the highest precision for revenue metering, while 0.5 and 1.0 are common for general monitoring and protection. Other classes may be available upon request.
Q4: Is this product suitable for outdoor installation?
A4: The LMZK-10 with IP20 protection is not designed for direct outdoor exposure to rain or dust. For outdoor applications, a model with a higher IP rating (such as IP54 or IP65) would be required. We can provide guidance on alternative products for outdoor use.
Q5: What is the typical delivery lead time for an order?
A5: Lead time depends on order quantity and specific configuration. For standard models, we generally maintain stock for prompt shipment. For customized orders or large volumes, the production time will be confirmed upon order placement, considering our efficient manufacturing processes.
Q6: Do you provide technical drawings and datasheets?
A6: Absolutely. Comprehensive technical documentation, including detailed datasheets, outline drawings, and installation instructions, is available for the LMZK-10 series. These documents can be provided to assist with your system design and integration planning.
Q7: Can you customize the secondary current output?
A7: Yes, customization is possible. While 1A and 5A are the most common secondary current ratings, we can manufacture units with other standard or special secondary outputs to match your specific instrumentation or relay requirements.
Q8: What standards does this current transformer comply with?
A8: The LMZK-10 is designed and tested in accordance with international standards such as the IEC 61869 series for instrument transformers. It meets the relevant requirements for insulation, accuracy, and thermal performance, ensuring global compatibility and safety.
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