DGG Single Phase Epoxy Resin Casting Type Instrument Current/Voltage Transformer: Step into a realm of unparalleled precision and reliability with our state-of-the-art current transformer, masterfully crafted using advanced epoxy resin casting technology. Tailored for high-performance applications, this superior instrument promises outstanding accuracy and long-lasting durability, positioning itself as an indispensable element for all your electrical measurement needs. With the DGG transformer, experience the pinnacle of engineering excellence that sets a new standard in the field.
At Denggao Electric Co., Ltd., we pride ourselves on being a premier professional manufacturer, expertly specializing in crafting high-precision current transformers. Our products are meticulously engineered to surpass the most stringent industry standards, ensuring peak performance and reliability.,Our product range is extensive and includes our highly reliable dropout fuse cutouts,robust and exceptionally durable voltage transformers,state-of-the-art advanced vacuum circuit breakers and reclosers,the latest isolation switches, superior-grade lightning arresters, high and low voltage cabinets, highly accurate precision metering devices, and efficient power distribution transformers. Each product is crafted with impeccable attention to detail and uncompromising quality.Not to mention, an extensive array of other top-tier solutions designed to meet your needs.
We excel in offering custom manufacturing precisely tailored to meet your specifications. Each product is delivered with comprehensive testing reports and certifications, ensuring every instrument transformer adheres to rigorous quality standards before leaving our factory.
Our voltage transformer is engineered with precision and innovation, utilizing state-of-the-art epoxy-resin vacuum casting. This ensures a robust and durable fully closed single-phase structure, ideal for indoor environments and power systems. 50Hz or 60Hz and it boasts an impressive capability to handle a rated voltage of up to 35kV. Perfectly suited for both electric energy metering and precise voltage measurement, this product is a cornerstone in modern electrical systems.
Our transformer strictly adheres to the leading industry standards, such as GB 20840.1-2010 which outlines the general requirements for instrument transformers, as well as GB 20840.3-2013 which specifies additional requirements for inductive voltage transformers. Compliance with these standards ensures superior performance and reliability. Furthermore, it meets the JJG314-2010 standard specifically for Instrument Voltage Transformers, guaranteeing exceptional accuracy and quality.
Transformer Ratio
Rated voltage ratio (kV) |
Accuracy class |
Rated output (VA) |
Limit output (VA) |
| 6/0.1/0.1 |
0.2/0.2 |
20/20 |
500 |
| 6/0.1/0.22 |
0.2/3 |
20/500 |
500 |
| 10/0.1/0.1 |
0.2/0.5 |
30/30 |
800 |
| 10/0.1/0.22 |
0.2/3 |
30/500 |
800 |
Advanced Technical Parameters
- Insulation Level: Engineered with robust standards of 12/42/75kV and 7.2/30/60kV, ensuring exceptional durability and reliability.
- Optimized Power Factor: Designed to achieve an optimal power factor of cosΦ=0.8 (lag), enhancing performance efficiency.
- Rated Frequency Choices: Flexible options of 50Hz or 60Hz to cater to diverse application needs.
- Total Weight: A lightweight design at 30kg, facilitating easier handling and installation.
Ideal Normal Environmental Usage Conditions
- Maximum Altitude: Specifically crafted for environments not exceeding an altitude of 1000 meters.
- Ambient Temperature Range: Operates efficiently within a broad temperature range from -5ºC to +40ºC.
- Air Relative Humidity: Designed for settings with air relative humidity not exceeding 85%, ensuring reliable performance.
- Air Relative Site: Primarily intended for indoor applications, providing safety and protection.
Outline and Installation Dimensions
Below are the precise installation and external dimension drawings of the product. Custom sizes and dimensions can be tailored based on customer requirements.
Denggao Electric Co., Ltd. has triumphantly extended its reach into various international territories, achieving remarkable success especially in regions including Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and many more exciting markets. The unmatched quality and outstanding performance of our 35kV Protective Current Transformer with Casting Resin Insulation Type have earned extensive praise from our esteemed customers. Throughout the years, we have proudly maintained a perfect track record with zero complaints, showcasing our unwavering commitment to excellence.
Our dedicated team is renowned for crafting highly cost-effective power solutions tailored for our clients. We play a crucial role in designing their substation and distribution plans, and have successfully participated in prestigious international bidding processes. Our expertise ensures that we consistently fulfill and exceed all customer product requirements with exceptional precision.
Our products are proudly endorsed by an exceptional suite of esteemed certifications, including ISO and Kema. Furthermore, we hold a comprehensive repository of detailed type test reports, emphasizing our steadfast dedication to the utmost standards of quality and dependability. These impeccable credentials showcase our commitment to excellence and ensure that our customers receive only the best.
Our dedicated packaging team excels in crafting bespoke wooden boxes, meticulously designed logos, vivid color schemes, and comprehensive labels to satisfy your unique specifications. We guarantee each product is packaged with utmost precision and care, ensuring swift and accurate delivery to your desired location.
Other Instrument Transformer
At Denggao Electric Co., Ltd., we proudly present a comprehensive selection of instrument transformers, each product thoughtfully engineered to cater to the diverse and specific requirements of our esteemed clientele. Our extensive range is a testament to superior performance and exceptional reliability, positioning us as the go-to partner for high-precision electrical solutions.

1.Q:Can you print my logo&design?
A:Yes we can print your logo , please send us your logo picture&artwork ,and have all texts outlined .Also please let us know printing size,color,method and position of the logo.
2.Q:Are you a factory or a trader?
A:We are a factory with over 20 years of production experience, supporting both OEM and ODM modes for customized production for customers.
3.Q:What is the minimum order quantity for your company?
A:Our company's minimum order quantity is greater than or equal to 1 unit.
4.Q:How can I get to your company?
A:Our company's address is No. 268 Weiqi Road, Leqing Economic Development Zone, Leqing City, Wenzhou City, Zhejiang Province.You can take a plane to Wenzhou Longwan International Airport or take the high-speed rail to Yueqing Station.
5.Q:How many ways of shipping ?
A:By sea(cheapest ,but slow); by express(DHL,FedEx,UPS...) ; by air
6.Q:What's the sample time and production time ?
A:Sample(in stock):10-15 days Production time :30-50 days .
7.Q:How to get a sample ?
A:Some samples can be provided for free. If you can confirm that there will be a large order to purchase from our company, then you only need to pay for the shipping fee; Customized samples, please contact us for sample fees.