DGG Single Phase Epoxy Resin Casting Type Instrument Current/Voltage Transformer: Dive into the realm of superior precision and unwavering reliability with our state-of-the-art current transformer, meticulously crafted using advanced epoxy resin casting techniques. Tailored for high-performance applications, this distinguished instrument promises unparalleled accuracy and long-lasting durability, making it an indispensable asset for all your electrical measurement needs.
At Denggao Electric Co., Ltd., we take immense pride in our status as a premier professional manufacturer. Our expertise lies in crafting high-precision current transformers, meticulously engineered to surpass the most stringent industry standards and deliver unparalleled performance.,Our diverse product range boasts highly reliable dropout fuse cutouts that ensure safety and efficiency in electrical networks,exceptionally robust and durable voltage transformers built to withstand harsh environments,cutting-edge vacuum circuit breakers and reclosers that guarantee optimal protection,state-of-the-art isolation switches, superior lightning arresters, meticulously designed high and low voltage cabinets, precision metering devices, and power distribution transformers that epitomize efficiency-all crafted with an unwavering commitment to detail and excellence.and an extensive array of other premium solutions that cater to every electrical need.
We specialize in providing custom production that is precisely tailored to meet your unique specifications. Every product from our facility is accompanied by comprehensive testing reports and official certificates, ensuring each instrument transformer's adherence to the highest quality standards before it proudly leaves our factory.
This exceptional voltage transformer is crafted with precision using epoxy-resin vacuum casting. Its fully enclosed single-phase design is tailored for indoor environments, seamlessly integrating into power systems operating at a rated frequency. Whether it is 50Hz or 60Hz, and handling a rated voltage up to and including an impressive 35kV,this transformer stands out for electric energy metering and precise voltage measurement, ensuring unparalleled performance and reliability.
Our product proudly adheres to rigorous standards, including GB 20840.1-2010, which outlines the General requirements for instrument transformers-Part1, and GB 20840.3-2013, detailing Additional requirements for inductive voltage transformers in Part3. Furthermore, it aligns with the JJG314-2010 standard for Instrument Voltage Transformers, guaranteeing quality and dependability.
Transformer Ratio
Rated voltage ratio (kV) |
Accuracy class |
Rated output (VA) |
Limit output (VA) |
35/0.1 |
0.2 |
40 |
500 |
Advanced Technical Parameters
- Insulation Level: Experience superior protection with insulation levels of 40.5/95/200kV, ensuring enhanced performance and safety standards.
- Optimized Power Factor: Achieve excellence in energy efficiency with an optimized power factor of cosΦ=0.8 (lag), tailored for superior electrical performance.
- Rated Frequency Choices: Choose between rated frequencies of 50Hz or 60Hz to meet your specific power system requirements with precision and reliability.
- Total Weight: A balanced design with a total weight of 126kg, offering a perfect blend of sturdiness and maneuverability for all your applications.
Ideal Normal Environmental Usage Conditions
- Maximum Altitude: Designed for optimal functionality at altitudes not exceeding 1000m, ensuring reliable performance in varied topographies.
- Ambient Temperature Range: Function flawlessly within an ambient temperature range of -5ºC to +40ºC, offering versatility for diverse environmental conditions.
- Air Relative Humidity: Operates efficiently with air relative humidity levels of ≤ 85%, maintaining performance integrity in differing climates.
- Air Relative Site: Specifically engineered for indoor use to uphold safety and efficiency in controlled environments.
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, ensuring a perfect fit for your specific needs.
Denggao Electric Co., Ltd. has boldly expanded its global presence, achieving remarkable success and establishing a significant footprint in international markets, particularly excelling in diverse regions such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and a myriad of other countries worldwide. The unmatched quality and outstanding performance of our 35kV Protective Current Transformer with Casting Resin Insulation Type have earned widespread acclaim from our discerning customers. Through the years, we have proudly maintained an impeccable track record with zero complaints, a testament to our unwavering commitment to excellence.
Our dedicated team is renowned for crafting the most cost-effective power solutions tailored to our clients' needs. We have been instrumental in developing comprehensive substation and distribution plans and have successfully participated in competitive international bidding processes. Our expertise ensures that we consistently surpass customer expectations, delivering solutions that meet and often exceed their product requirements.
Our products are proudly supported by an impressive array of prestigious certifications, such as ISO and Kema. Moreover, we maintain an extensive archive of meticulous type test reports, underscoring our unwavering commitment to the highest standards of quality and reliability.
Our devoted packaging team excels in creating bespoke wooden boxes enhanced with distinctive logos, captivating colors, and meticulous labels to align seamlessly with your specific needs. We guarantee that each product is packaged with utmost precision, ensuring it is ready for shipment with exceptional accuracy and speed to your specified destination.
Other Instrument Transformer
In addition to our flagship Instrument Transformer with 42kv Insulation and Rated Current of 1A, we proudly present an expansive collection of other instrument transformers. Each product in our portfolio is thoughtfully curated to offer our esteemed clientele a diverse and comprehensive selection, perfectly tailored to meet their unique needs and precise specifications. Our range promises unmatched performance and steadfast reliability, establishing Denggao Electric Co., Ltd. as your preferred and trusted partner in delivering high-accuracy 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.