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Help CenterWAKAN JDZX11-10G3 Single Phase 35kV Indoor Voltage Transformer 0.5/3P Protection Class Toroidal
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WAKAN JDZX11-10G3 Single Phase 35kV Indoor Voltage Transformer 0.5/3P Protection Class Toroidal is a high-performance electrical component engineered for reliable voltage measurement and system protection in medium-voltage power distribution networks. Manufactured by Jinhua Dika Electrical Equipment Co., Ltd., a professional manufacturer with over a decade of experience in the electrical industry, this voltage transformer combines precision metering with robust protection capabilities. Our company, located in Jinhua, Zhejiang, China, has an annual export value of US$1 Million to US$1.5 Million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With a dedicated team of 11–50 skilled employees and adherence to multiple quality management systems including ISO9001, ISO14000, and OHSAS18001, we ensure every unit meets rigorous international standards. This product is ideal for switchgear panels, substations, and industrial power systems where accurate voltage transformation and fault detection are critical.
Key Features and Technical Specifications
- High Accuracy for Metering: The 0.5 accuracy class ensures precise voltage measurement for billing and energy management, minimizing errors in revenue metering applications.
- Reliable Protection Performance: With a 3P protection class, this transformer provides dependable overvoltage and fault detection, safeguarding downstream equipment and personnel.
- Toroidal Core Design: The toroidal core construction reduces magnetic flux leakage, improves linearity, and enhances overall efficiency, resulting in stable output even under varying load conditions.
- Compact Indoor Installation: Designed for indoor use, the unit features a compact footprint that simplifies integration into existing switchgear or panel boards without requiring excessive space.
- Rated Voltage 35kV: Suitable for primary voltage levels up to 35kV, making it compatible with common medium-voltage distribution systems worldwide.
- Single Phase Configuration: Each unit serves one phase, allowing flexible three-phase assembly or independent phase monitoring as needed.
- Robust Insulation System: Epoxy resin casting provides excellent dielectric strength, moisture resistance, and mechanical protection, ensuring long service life in demanding environments.
- Wide Operating Frequency: Supports 50/60 Hz systems, accommodating global power grid standards.
| Parameter | Value |
|---|---|
| Model | JDZX11-10G3 |
| Rated Primary Voltage | 35 kV |
| Rated Secondary Voltage | 100/√3 V or 110/√3 V (customizable) |
| Accuracy Class | 0.5 (metering) / 3P (protection) |
| Rated Frequency | 50/60 Hz |
| Rated Thermal Short-Time Current | 250 VA (typical) |
| Insulation Level | 35/95/200 kV |
| Weight | Approx. 12 kg (customizable) |
| Operating Temperature | -25°C to +55°C |
| Relative Humidity | Up to 95% (non-condensing) |
Customer Benefits
- Enhanced System Reliability: The dual accuracy class (0.5/3P) ensures both precise measurement and effective protection, reducing downtime and maintenance costs.
- Easy Integration: Compact design and standardized mounting dimensions allow quick installation in new or retrofit projects, saving time and labor.
- Global Compatibility: With customizable secondary voltage and frequency options, this transformer can be tailored to meet local grid requirements in diverse markets.
- Long-Term Durability: Epoxy resin encapsulation protects against environmental factors such as humidity, dust, and temperature fluctuations, extending operational life.
- Cost-Effective Solution: By combining metering and protection functions in one unit, it eliminates the need for separate transformers, reducing overall system cost.
Trust and Quality Assurance
As a manufacturer with an annual export value exceeding US$1 Million, Jinhua Dika Electrical Equipment Co., Ltd. has built a strong reputation among clients in over 15 global markets, including North America, Europe, and Southeast Asia. Our commitment to quality is reflected in our compliance with multiple management system standards such as ISO9001, ISO14000, and OHSAS18001, which govern our production processes from raw material procurement to final testing. Each WAKAN JDZX11-10G3 voltage transformer undergoes rigorous routine tests, including ratio error, phase displacement, and insulation resistance checks, to ensure consistent performance. We also offer customization options for secondary voltage, terminal configurations, and packaging to meet specific project needs. With a dedicated team of 11–50 experienced professionals and a convenient location in Jinhua, Zhejiang, we provide responsive technical support and timely delivery via major ports like Shanghai, Ningbo, and Tianjin. Choose WAKAN for reliable, accurate, and durable voltage transformers that power your operations with confidence.
Frequently Asked Questions (FAQ)
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Q: What is the difference between accuracy class 0.5 and 3P?
A: Class 0.5 is used for revenue metering, offering a maximum error of ±0.5% at rated voltage. Class 3P is designed for protection applications, with a wider error tolerance but faster response to overvoltages, ensuring reliable relay operation during faults. -
Q: Can this transformer be used outdoors?
A: No, the JDZX11-10G3 is specifically designed for indoor installation. For outdoor applications, we recommend our outdoor series voltage transformers, which are available upon request. -
Q: What is the typical lead time for this product?
A: Standard lead time is 15–25 working days after order confirmation, depending on quantity and customization requirements. Urgent orders can be expedited with prior arrangement. -
Q: Does the transformer come with a calibration certificate?
A: Yes, each unit is supplied with a test report and calibration certificate traceable to our in-house quality lab. Third-party certification can be arranged at an additional cost. -
Q: What are the available secondary voltage options?
A: Common options include 100/√3 V, 110/√3 V, and 120/√3 V. Custom secondary voltages can be produced based on your specifications. -
Q: How is the transformer protected against overvoltage?
A: The 3P protection class ensures accurate voltage transformation under fault conditions, and the epoxy insulation provides dielectric strength. For additional surge protection, external surge arresters are recommended. -
Q: Can I get a sample before placing a bulk order?
A: Yes, sample orders are welcome. We can provide one unit for evaluation, with shipping costs borne by the buyer. Sample lead time is approximately 10–15 days. -
Q: What payment terms do you accept?
A: We accept T/T, L/C, and Western Union. For first-time orders, a 30% deposit is typically required, with the balance paid before shipment.
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