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Help Center500A Open Loop CT With 3.5mm Pin Terminal for Easy Installation
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As a specialized manufacturer with a strong export presence, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our 500A Open Loop Current Transformer (CT). Designed for efficiency and reliability, this CT is engineered to simplify power monitoring and energy management tasks. Our commitment to quality, backed by a robust manufacturing system adhering to international standards like ISO9001, ensures you receive a product built for precision and durability in diverse global markets.
This 500A Open Loop CT represents a significant advancement in easy-to-install current sensing solutions. Its defining feature is the open-loop, or split-core, design, which allows for installation without disconnecting the primary conductor. This non-intrusive method drastically reduces downtime and eliminates safety risks associated with cutting into live circuits. Paired with a standard 3.5mm pin terminal, it offers a plug-and-play connection to meters, data loggers, and monitoring systems, streamlining the entire setup process.
Key Features and Technical Advantages:
- Effortless Installation: The split-core design clamps directly around the existing conductor. No need to break the circuit, ensuring a quick, safe, and cost-effective installation.
- Secure Connection: The integrated 3.5mm pin terminal provides a reliable, vibration-resistant connection, preventing loose wires and ensuring stable signal transmission.
- High Current Capacity: Rated for 500A primary current, it is suitable for monitoring substantial loads in commercial, industrial, and utility applications.
- Flexible Application: Ideal for sub-metering, energy audits, load profiling, power quality monitoring, and integration into Building Management Systems (BMS) or IoT platforms.
- Robust Construction: Typically housed in a flame-retardant enclosure, it is designed to withstand demanding electrical environments.
Detailed Specifications:
| Parameter | Specification |
| Rated Primary Current (Ipn) | 500 Amperes |
| Core Type | Open Loop / Split Core |
| Terminal Type | 3.5mm Pin (Standard) |
| Rated Output | Customizable (e.g., 5A, 1V, 4-20mA) |
| Accuracy Class | Available upon request (e.g., 0.5%, 1%) |
| Frequency Range | 50/60 Hz |
| Installation | Clamp-on, Non-intrusive |
| Typical Applications | Energy Management Systems, Power Monitoring, Data Logging |
Benefits for Your Operations:
- Minimized Operational Disruption: Install on live circuits safely, avoiding costly shutdowns.
- Enhanced Safety: Eliminates the hazards of working with exposed conductors during installation.
- Scalable Monitoring: Easily add monitoring points to existing electrical systems without complex rewiring.
- Data-Driven Decisions: Provides accurate current data essential for energy conservation, load balancing, and predictive maintenance.
- Reduced Total Cost of Ownership: Lower installation labor costs and minimal maintenance requirements.
With an annual export value ranging between US$1 Million and US$1.5 Million and a presence in major markets worldwide including North America, Europe, and Southeast Asia, Jinhua Dika has established a reputation for reliable electrical components. Our multi-port shipment capability (Shanghai, Tianjin, Guangzhou, Ningbo) ensures efficient logistics. This 500A Open Loop CT embodies our focus on creating practical, user-friendly solutions that deliver accurate performance. It is a tool designed not just to measure current, but to empower smarter energy management. Contact us today to discuss your specific requirements and how this transformer can integrate seamlessly into your projects.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of an "Open Loop" or "Split Core" CT?
A: The primary advantage is easy, non-intrusive installation. It can be clamped around an existing wire without cutting or disconnecting it, saving significant time and enhancing safety during setup.
Q2: Can this 500A CT be used for billing or revenue-grade metering?
A: Its suitability for revenue-grade applications depends on its specific accuracy class certification. While it is excellent for monitoring and sub-metering, you should confirm the required accuracy class (e.g., 0.2S, 0.5S) with our sales team for billing purposes.
Q3: What output signals are available for this model?
A: The output is customizable. Common options include a standard 5A or 1A current output, a voltage output (e.g., 0-1V, 0-5V), or a 4-20mA loop. Please specify your requirement when inquiring.
Q4: Is this CT suitable for both AC and DC current measurement?
A: Standard current transformers are designed for Alternating Current (AC) measurement. For Direct Current (DC) measurement, a different technology (like a Hall-effect sensor) is required. Please confirm your application.
Q5: How do I install it? Are special tools needed?
A: Installation is straightforward. Simply open the clasp, position the CT around the conductor to be measured, and close it securely. The 3.5mm pin plugs directly into a compatible socket on your meter. No special tools are typically needed beyond possibly a screwdriver for mounting.
Q6: What is the operating temperature range?
A: The CT is built for standard industrial environments. The exact temperature range can be provided upon request, as it may vary based on the specific model and enclosure material.
Q7: Can I use multiple CTs on the same monitoring system?
A: Absolutely. Multiple CTs with identical outputs can be connected to a multi-channel energy monitor or data acquisition system to monitor several circuits simultaneously.
Q8: Do you provide longer lead wires or different connector types?
A: Yes, customization options such as extended cable lengths or alternative terminal types (e.g., screw terminals, flying leads) are often available. Please discuss your specific needs with us.
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