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As a professional manufacturer of electrical measurement and control equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present the Acrel 500A Split Core Current Transformer (CT). This product is engineered for precision, reliability, and ease of installation in modern energy management and monitoring systems. We understand that accurate current measurement is the cornerstone of effective power analysis, energy savings, and equipment protection. That's why we have designed this split-core CT to deliver dependable performance while including a comprehensive Mill Test Report (MTR) with each unit, providing you with verifiable data on the materials and manufacturing quality. This commitment to transparency and quality control ensures you receive a product that meets stringent industrial standards, backed by our extensive experience in serving global markets from North America to Southeast Asia.
The Acrel 500A Split Core CT is a versatile and essential tool for electrical engineers, facility managers, and system integrators. Its primary advantage lies in its non-invasive installation. Unlike traditional solid-core CTs that require disconnecting conductors, this split-core design can be easily clamped around an existing live conductor, significantly reducing installation time, cost, and system downtime. This makes it ideal for retrofitting projects, temporary monitoring, or permanent installations where circuit interruption is not feasible.
Key Features and Technical Advantages:
- High Accuracy Measurement: Utilizing advanced core materials and precise winding techniques, the CT provides accurate current transformation with minimal phase and ratio errors, crucial for billing-grade metering and detailed power quality analysis.
- Robust and Safe Design: The split-core mechanism is engineered for secure closure and long-term mechanical stability, preventing accidental opening. The insulation materials are selected for high dielectric strength and thermal endurance.
- Flexible Output Options: The CT is available with various standard output signals to interface seamlessly with a wide range of energy meters, data loggers, PLCs, and SCADA systems.
- Wide Application Scope: From monitoring individual machine loads in a factory to conducting energy audits in commercial buildings or integrating into renewable energy systems (solar PV, wind), this CT is a fundamental component.
- Included Mill Test Report: This document is a significant value-add. It provides traceable certification of the raw materials used (like the steel lamination), including chemical composition and mechanical properties, assuring you of the product's inherent quality and consistency.
Technical Specifications Table:
| Parameter | Specification |
| Rated Primary Current (Ipn) | 500 Amperes |
| Rated Secondary Current (Isn) | 5A or 1A (standard options) |
| Accuracy Class | 0.5, 1.0, or 2.0 (selectable) |
| Frequency Range | 50/60 Hz |
| Burden | ≤ 2.5 VA (for 5A) or ≤ 0.5 VA (for 1A) |
| Insulation Voltage | 3 kV / 50 Hz / 1 min |
| Operating Temperature | -25°C to +70°C |
| Aperture Size | Approximately 30mm (customizable) |
Benefits for Your Business:
- Reduced Installation Costs: The clamp-on design eliminates the need for costly shutdowns and complex wiring modifications.
- Enhanced System Reliability: Accurate data from the CT enables better load balancing, preventive maintenance, and protection against overloads.
- Informed Decision Making: Precise energy consumption data helps identify savings opportunities and justify capital investments in efficiency projects.
- Supply Chain Confidence: The included Mill Test Report reduces procurement risk by providing documented proof of material quality, which is often required for critical industrial and utility projects.
Jinhua Dika Electrical Equipment operates with a firm commitment to quality management, as reflected in our adherence to recognized standards. Our products, including this Acrel CT, are developed within a framework that prioritizes consistency and customer satisfaction. With an annual export value reflecting our global reach and a dedicated team, we have the capacity and expertise to be your reliable partner. Choosing the Acrel 500A Split Core CT with Mill Test Report means choosing a product backed by verifiable quality documentation and a manufacturer with a proven track record in international markets. This combination of product excellence and supply chain transparency delivers exceptional value and peace of mind. Contact us today to discuss your specific requirements, request samples, or learn more about our full range of electrical measurement solutions.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a split-core CT over a solid-core one?
A1: The primary advantage is the ease of installation. A split-core CT can be installed without disconnecting the conductor being measured, making it perfect for retrofitting existing systems or for temporary monitoring, thereby saving significant time and labor costs.
Q2: Why is a Mill Test Report important for a current transformer?
A2: A Mill Test Report provides certified documentation of the physical and chemical properties of the core material (typically steel). This is crucial for verifying the quality, consistency, and performance characteristics of the CT, especially for applications requiring high accuracy and long-term reliability. It offers traceability and assurance for quality-conscious buyers.
Q3: Can this 500A CT measure currents lower than 500A accurately?
A3: Yes, it can measure a wide range of currents. The "500A" rating is its nominal primary current. It will operate accurately down to a specified percentage of its rated value (e.g., down to 10% or 1% of 500A, depending on the accuracy class), which covers most common load conditions.
Q4: What output signals are available, and how do I choose the right one?
A4: Common outputs include standard secondary currents (5A or 1A) for connection to traditional meters, or analog voltage/current signals (0-5V, 4-20mA) for modern data acquisition systems. The choice depends on the input requirements of your monitoring device or energy meter.
Q5: Is this CT suitable for outdoor use?
A5: The standard model typically has an IP20 rating, designed for indoor or protected environments. For outdoor applications, models with higher ingress protection ratings (like IP65) or specific outdoor enclosures are available upon request.
Q6: How do I ensure the CT is installed correctly for accurate readings?
A6: Key steps include ensuring the conductor is centered within the CT aperture, the core is fully closed and latched securely, and the secondary terminals are connected to the proper burden (meter or input device). The installation manual provides detailed guidance.
Q7: Are custom aperture sizes or different current ratings available?
A7: Yes, as a manufacturer, we can provide customization options. Different aperture sizes to fit larger busbars or cables, and other primary current ratings (e.g., 300A, 600A, 1000A) can be discussed based on your project specifications.
Q8: What is the typical lead time for orders?
A8: Lead times vary based on order quantity and customization requirements. Standard models are often available for prompt shipment from our stock. We can provide specific timelines upon receipt of your detailed inquiry.
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