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Help Center500A CT Supplied With Installation Guide and Technical Support
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As a professional manufacturer with over a decade of experience in electrical measurement, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our high-performance 500A Current Transformer (CT). Designed for precision and reliability in demanding industrial and commercial applications, this CT is more than just a component—it's a complete solution. We understand that successful installation and long-term operation are critical for our clients. That's why every unit is supplied with a comprehensive Installation Guide and backed by our dedicated Technical Support team, ensuring you get accurate measurements and peace of mind from day one.
Our 500A CT is engineered to deliver exceptional accuracy and stability for energy metering, power quality analysis, and protective relaying systems. It is a vital tool for facility managers, electrical contractors, and system integrators who require trustworthy data for billing, load management, and equipment protection.
- Core & Construction: The transformer utilizes a high-grade, low-loss silicon steel core that minimizes hysteresis and eddy current losses. This results in superior linearity and accuracy across a wide range of operating currents, from light loads to the full rated 500A. The robust, flame-retardant plastic housing ensures durability and safety, providing excellent insulation and protection against environmental factors.
- Installation Flexibility: Designed for ease of integration, this CT features a through-hole (window-type) design, allowing the primary conductor (busbar or cable) to pass through effortlessly. This non-intrusive design simplifies installation without the need to break the primary circuit. Secure mounting options are available to suit various panel and enclosure configurations.
- Technical Specifications & Performance: The CT is built to meet rigorous performance standards. Key specifications are detailed in the table below for clarity.
| Parameter | Specification |
|---|---|
| Rated Primary Current (Ipn) | 500 Amperes |
| Standard Secondary Current (Isn) | 5A or 1A (available upon request) |
| Accuracy Class | 0.5, 1.0, or 0.2S (for precision metering) |
| Rated Frequency | 50/60 Hz |
| Rated Burden | 2.5 VA to 15 VA (depending on model) |
| Insulation Level | Standard or reinforced insulation options |
| Operating Temperature | -25°C to +70°C |
- Comprehensive Support Package: We differentiate our product by providing exceptional post-sale support. The included step-by-step Installation Guide covers wiring diagrams, safety precautions, mounting procedures, and commissioning checks. Furthermore, our technical team is accessible to assist with application-specific questions, system integration challenges, or troubleshooting, ensuring your project proceeds smoothly.
- Benefits for Your Business: By choosing our 500A CT, you gain a reliable partner for your electrical infrastructure. Achieve accurate energy measurement for fair billing and cost allocation. Enhance system safety by enabling precise protective relay operation. Simplify maintenance and troubleshooting with a well-documented and supported product. Ultimately, this translates into operational efficiency, reduced downtime, and informed decision-making based on reliable data.
With an annual export value reflecting our global reach and a product portfolio supported by a commitment to quality management systems, Jinhua Dika has established trust with clients across North America, Europe, Asia, and beyond. Our presence in major shipping ports like Shanghai, Tianjin, Guangzhou, and Ningbo ensures efficient and reliable logistics for your orders. When you source this 500A Current Transformer from us, you are not just purchasing a component; you are investing in a solution backed by manufacturing expertise, clear documentation, and responsive technical support. Contact us today to discuss your specific requirements or to request a sample, and experience the Dika difference in precision measurement.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between a 5A and a 1A secondary output?
A1: The choice depends on your meter or relay input. A 5A output is a traditional standard, while a 1A output reduces copper losses in longer cable runs between the CT and the measuring device, which can be beneficial for larger installations. We can supply either standard based on your system design.
Q2: Is this CT suitable for both 50Hz and 60Hz power systems?
A2: Yes, our 500A CT is designed to operate accurately within the standard frequency range of 50Hz to 60Hz, making it versatile for international applications.
Q3: Can I install this CT on an energized conductor?
A3: The through-hole design allows for installation around an existing conductor. However, for safety, it is always recommended to de-energize the circuit during installation whenever possible. The provided Installation Guide details essential safety procedures.
Q4: What does the 'Accuracy Class' (e.g., 0.5) mean?
A4: The accuracy class indicates the maximum permissible percentage error at the rated current. A class 0.5 CT has an error of ≤±0.5%, which is suitable for revenue metering. Class 1.0 is common for general monitoring, and class 0.2S offers higher accuracy for critical measurement points.
Q5: Do you offer custom ratios or different window sizes?
A5: Yes, as a manufacturer, we have the capability for customization. Different primary current ratings, window dimensions, or mounting styles can be discussed based on your project's volume and specifications.
Q6: How is the technical support provided?
A6: Our technical support is provided via email and online communication tools. You can contact our engineering team with questions regarding installation, application, or integration. We aim to provide clear, practical guidance to resolve your queries.
Q7: What is the typical delivery lead time for an order?
A7: Lead times vary based on order quantity and customization. For standard models, we can often arrange shipment promptly from our stock. Specific timelines can be confirmed upon receipt of your inquiry.
Q8: Are these CTs suitable for outdoor use?
A8: The standard model is designed for indoor or protected outdoor environments. If your application requires specific ingress protection (IP) ratings or enhanced weatherproofing, please inform us so we can recommend or develop a suitable variant.
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