10kv Indoor High Voltage Current Transformer LZZBJ9-10A 0.2S Accuracy Class for Power Distribution
Product Spotlights
As a specialized manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. brings over a decade of expertise in producing precision electrical components for global power infrastructure. Our 10kV Indoor High Voltage Current Transformer LZZBJ9-10A is engineered to deliver exceptional measurement accuracy and reliability in demanding power distribution environments. Designed for indoor installations, this transformer ensures stable performance, contributing to efficient grid management and safe operational monitoring.
This current transformer is a critical component for accurate current measurement in medium-voltage networks. It converts high primary currents to standardized, manageable secondary values for metering, protection, and control systems. The LZZBJ9-10A model is particularly suited for substations, industrial plants, and commercial buildings where precise energy monitoring and system protection are paramount.
Core Product Features & Technical Advantages:
- High Precision Measurement: The 0.2S accuracy class ensures minimal error across a wide current range, essential for revenue metering and high-fidelity protection relay operation.
- Robust Indoor Design: Optimized for controlled indoor environments, featuring durable construction and materials resistant to typical operational stresses.
- Stable Thermal Performance: Engineered to maintain accuracy under varying load conditions and ambient temperature changes within its rated limits.
- Flexible Installation: Supports both panel mounting and direct busbar mounting, offering adaptability for different cabinet and switchgear layouts.
- Enhanced Safety: Built with high-grade insulation materials and designed to meet relevant international electrical safety standards for 10kV applications.
Detailed Technical Specifications:
| Parameter | Specification / Value |
| Rated Primary Voltage | 10 kV |
| Standard Accuracy Class | 0.2S |
| Frequency | 50Hz / 60Hz (standard) |
| Rated Primary Current (Ip) | Customizable (e.g., 100A, 200A, 400A, etc.) |
| Rated Secondary Current (Is) | Typically 1A or 5A |
| Insulation Class | Class A |
| Mounting Method | Panel Mount or Busbar Mount |
| Operating Temperature Range | -25°C to +70°C |
| Core Material | High-grade Silicon Steel |
Benefits for Your Power Distribution System:
- Improved Metering Accuracy: The 0.2S class accuracy reduces measurement errors, leading to more accurate billing, load analysis, and energy audits.
- Enhanced System Protection: Provides reliable current signals to protection relays, enabling faster and more precise fault detection and isolation.
- Long-Term Cost Efficiency: Durable construction and stable performance reduce maintenance needs and replacement cycles.
- Design Flexibility: The indoor design and mounting options simplify integration into existing or new switchgear and control panels.
- Global Compatibility: Designed in accordance with common international standards (IEC), facilitating use in projects worldwide.
Frequently Asked Questions (FAQ):
-
What does "0.2S" accuracy class mean?
The "0.2S" designation indicates a high accuracy class for current transformers, specifically for metering purposes. It guarantees an error of less than ±0.2% under specified conditions, including at low currents (often down to 1% of rated current), making it suitable for precise energy measurement. -
Is this transformer suitable for outdoor use?
No. The LZZBJ9-10A is designed specifically for indoor applications. Its construction is optimized for environments without direct exposure to rain, sunlight, or extreme outdoor weather conditions. For outdoor installations, a different model with appropriate housing and insulation would be required. -
Can the rated primary current be customized?
Yes. As a manufacturer, we offer customizable primary current ratings (e.g., 100A, 200A, 400A, 600A, etc.) to match your specific system requirements. Please provide your needed rating during inquiry. -
What is the typical secondary current output?
The standard secondary current outputs are 1 Ampere (1A) or 5 Amperes (5A), aligning with global standards for meter and relay inputs. The specific output can be selected based on your downstream equipment requirements. -
How is this current transformer installed?
It supports two common methods: Panel Mounting (fixed onto a mounting plate within a cabinet) and Busbar Mounting (directly mounted on the primary conductor/busbar). Installation instructions and drawings are provided. -
Does it come with any international certifications?
Our manufacturing processes adhere to stringent quality management systems. While specific certifications for this model (like IEC test reports) are available upon request, our company operates under a framework of comprehensive quality standards to ensure product reliability. -
What is the main application of this CT?
Its primary applications are in 10kV indoor power distribution systems for:
- Accurate current measurement for energy metering (revenue and check metering).
- Providing input signals to protection relays (overcurrent, differential, etc.).
- Monitoring load currents in substations, industrial plants, and large commercial facilities. -
What is the operating temperature range?
The transformer is designed to operate reliably within an ambient temperature range of -25°C to +70°C, which covers most indoor electrical room conditions.
Backed by Jinhua Dika Electrical Equipment Co., Ltd.'s commitment to quality—evidenced by our established manufacturing protocols and a track record of supplying components to markets across North America, Europe, Asia, and beyond—the LZZBJ9-10A Current Transformer represents a reliable choice for your critical power distribution needs. Our annual export volume reflects consistent global demand and customer satisfaction. We ensure smooth logistics from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo. For a component that enhances measurement precision, system safety, and operational efficiency in your 10kV network, consider the LZZBJ9-10A. Contact us today to discuss your specifications, request a quotation, or learn more about our full range of electrical equipment solutions.
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