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Help CenterClass 1.0 Accuracy Low Voltage CT MES-62/40 Model 600/5A
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As a dedicated manufacturer with over a decade of experience in electrical measurement, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents the MES-62/40 Model, a precision-engineered Class 1.0 Accuracy Low Voltage Current Transformer. Designed for the demanding needs of modern energy management, this CT combines high accuracy with exceptional ease of installation, making it an ideal solution for retrofit projects and new installations where power monitoring is critical. Our commitment to quality, backed by a robust ISO 9001 certified manufacturing process, ensures you receive a reliable and trustworthy component for your electrical systems.
This current transformer is engineered to deliver precise and stable current measurement in low-voltage networks. Its core design and material selection are optimized for minimal phase and ratio errors, ensuring compliance with Class 1.0 accuracy as per international standards. The primary benefits for our B2B clients include enhanced billing accuracy, improved power quality monitoring, and reliable data for energy audits and efficiency projects.
Key Features and Technical Advantages:
- High Precision Measurement: Achieves Class 1.0 accuracy, providing reliable data for revenue metering and detailed load analysis.
- Split-Core Convenience: The innovative clamp-on design allows for installation without disconnecting the primary conductor, saving significant time and labor costs, especially in live circuit scenarios.
- Robust Construction: Built with high-grade materials to ensure long-term stability and performance, even in challenging industrial environments.
- Wide Compatibility: The 600/5A ratio is a standard in many low-voltage applications, making it compatible with a vast array of energy meters, protection relays, and monitoring devices.
- Safety-Oriented Design: Provides safe isolation between high-current primary circuits and secondary measurement equipment, protecting personnel and devices.
Detailed Technical Specifications:
| Parameter | Specification |
| Model | MES-62/40 |
| Accuracy Class | 1.0 |
| Rated Primary Current (Ip) | 600 A |
| Rated Secondary Current (Is) | 5 A |
| Rated Frequency | 50/60 Hz |
| Rated Thermal Short-Time Current (Ith) | Typically 50 x Ip for 1s (customizable) |
| Rated Dynamic Current (Idyn) | Typically 2.5 x Ith (customizable) |
| Insulation Level | Low Voltage, suitable for systems up to 0.72/1.2 kV |
| Mounting | Split-core, clamp-on |
| Operating Temperature Range | -25°C to +70°C |
Application Scenarios and Client Benefits:
- Commercial & Industrial Sub-metering: Accurately allocate energy costs to different departments or tenants.
- Power Quality Monitoring: Integrate with analyzers to track harmonics, sags, and swells.
- Energy Management Systems (EMS): Provide critical input data for optimizing energy consumption and identifying savings opportunities.
- Retrofit Projects: The split-core design is perfect for upgrading existing electrical panels without major downtime.
Trust in a product from a manufacturer with a proven global footprint. Jinhua Dika Electrical Equipment exports to markets across North America, South America, Europe, Asia, Africa, and Oceania, demonstrating widespread acceptance and reliability. Supported by an annual export value of US$1-1.5 Million and a comprehensive quality management system encompassing ISO 9001, ISO 14000, and OHSAS 18001, our MES-62/40 CT is manufactured under stringent controls. This commitment to excellence translates into a product you can specify with confidence for your most important projects. For a component that balances precision, practicality, and proven performance, choose the Class 1.0 Accuracy Low Voltage CT MES-62/40. Contact us today to discuss your requirements or to request a sample.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a Class 1.0 accuracy CT compared to a lower class?
A1: Class 1.0 accuracy offers a maximum permissible error of ±1% under rated conditions. This higher precision is essential for applications like revenue metering, detailed energy audits, and precise load profiling where even small measurement errors can lead to significant financial or operational discrepancies.
Q2: Can this CT be installed on an energized conductor?
A2: Yes, the split-core (clamp-on) design of the MES-62/40 model is specifically engineered for safe installation around live low-voltage conductors. However, installation must always be performed by qualified personnel following all applicable safety standards and procedures.
Q3: Is this CT suitable for both 50Hz and 60Hz power systems?
A3: Absolutely. The transformer is designed to operate accurately at both 50Hz and 60Hz frequencies, making it versatile for international projects and equipment.
Q4: What is the typical lead time for an order of these current transformers?
A4: Lead times vary based on order quantity. Standard models are often available from stock, while larger or customized orders may have a production lead time. Please contact our sales team with your specific needs for the most accurate timeline.
Q5: Does the 600/5A ratio mean the output is always 5A?
A5: No. The ratio indicates the transformation relationship. When 600A flows in the primary conductor, the secondary will output 5A. At 300A primary current, the secondary output will be 2.5A, maintaining the 120:1 ratio.
Q6: What kind of secondary wiring is recommended for this CT?
A6: We recommend using a twisted pair or shielded cable for the secondary 5A circuit, especially for long runs, to minimize external interference and ensure measurement integrity. The wire gauge should be sized appropriately for the distance and current.
Q7: Are custom ratios or physical sizes available?
A7: Yes, as a manufacturer, we offer customization services. Different primary current ratings, window sizes, or connector types can often be accommodated. Please inquire with your detailed specifications.
Q8: How does the split-core design affect long-term accuracy?
A8: Our split-core mechanism is precision-engineered to ensure a secure and consistent magnetic circuit closure every time. High-quality core materials and locking mechanisms are used to prevent degradation of accuracy over time, maintaining the Class 1.0 performance throughout its service life.
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