DGG Single Phase Epoxy Resin Casting Type Instrument Current/Voltage Transformer: Discover unparalleled precision and unwavering reliability with our state-of-the-art current transformer, crafted using advanced epoxy resin casting techniques. Engineered for superior performance, this high-quality instrument ensures remarkable accuracy and long-lasting durability. It stands as an indispensable asset for all your electrical measurement needs, promising to elevate your operational efficiency to new heights and paving the way for seamless integration into your high-demand applications.
At Denggao Electric Co., Ltd., we take immense pride in being a premier and professional manufacturer. We specialize in crafting high-precision current transformers that are meticulously engineered to satisfy even the most demanding industry standards, ensuring unrivaled performance and reliability.,Our diverse product range features highly reliable dropout fuse cutouts that provide dependable performance,alongside robust and durable voltage transformers, designed to withstand the harshest conditions while maintaining exceptional functionality,complemented by our advanced vacuum circuit breakers and intuitive reclosers, which offer cutting-edge solutions for modern electrical systems.Additionally, we offer state-of-the-art isolation switches, superior lightning arresters, sophisticated high and low voltage cabinets, precision-engineered metering devices, and highly efficient power distribution transformers. Each product is crafted with the highest level of detail and quality, ensuring excellence across our entire range.Our catalog is completed with an extensive array of other top-tier solutions, each designed to meet and exceed your electrical needs.
We excel in providing custom production services precisely tailored to your exact specifications. Each product we deliver comes with comprehensive testing reports and certificates, assuring you that every instrument transformer adheres to the highest quality standards before it departs from our factory gate.
Introducing our cutting-edge voltage transformer, engineered with precision and excellence. This exceptional transformer is crafted using epoxy-resin vacuum casting, ensuring a fully enclosed single-phase structure. Designed for seamless indoor applications, it integrates effortlessly with power systems operating at a rated frequency. Whether it's 50Hz or 60Hz, this transformer accommodates a rated voltage capacity up to and including 35kV.It serves as a reliable solution for both electric energy metering and voltage measurement, ensuring accuracy and dependability.
Developed in compliance with rigorous standards, GB 20840.1-2010, Instrument transformers-Part1: General requirements, as well as GB 20840.3-2013, which includes Instrument transformers-Part3: Additional requirements for inductive voltage transformers, and JJG314-2010, related to Instrument Voltage Transformers, this product stands as a benchmark of quality and precision.
Transformer Ratio
Rated voltage ratio (kV) |
Accuracy class |
Rated output (VA) |
Limit output (VA) |
35/0.1 |
0.2 |
40 |
500 |
Advanced Technical Parameters
- Impressive Insulation Levels: 40.5/95/200kV ensure superior safety and reliability.
- Optimized Power Factor: With a power factor of cosΦ=0.8 (lag), experience enhanced performance and efficiency.
- Versatile Rated Frequency Choices: Select between 50Hz or 60Hz to perfectly match your specific requirements.
- Total Weight: A lightweight and compact design at just 126kg ensures ease of handling and installation.
Ideal Normal Environmental Usage Conditions
- Maximum Altitude: Operates seamlessly at altitudes not exceeding 1000m, ensuring dependable performance.
- Ambient Temperature Range: Designed to function optimally in temperatures ranging from -5ºC to +40ºC.
- Air Relative Humidity: Maintains efficiency with humidity levels up to ≤ 85%, ensuring adaptability to various conditions.
- Air Relative Site: Specifically engineered for dependable indoor use.
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, offering flexibility to meet unique client specifications.
Denggao Electric Co., Ltd. has triumphantly broadened its global presence, achieving remarkable success in numerous international arenas, particularly shining in regions such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, among others. The unrivaled quality and exceptional performance of our 35kV Protective Current Transformer with Casting Resin Insulation Type have earned widespread acclaim from our esteemed clientele. Over the years, we've proudly maintained an impeccable record with zero complaints.
Our committed team excels at crafting the most economical power solutions for our clients. We have played an instrumental role in designing their substation and distribution plans, and have emerged successful in international bidding processes. Our extensive expertise ensures that we consistently meet and surpass customer product expectations.
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 dedicated packaging team excels in crafting custom wooden boxes, featuring tailored logos, vibrant colors, and detailed labels meticulously designed to meet your specific requirements. We ensure every product is packaged with precision and care, promising not only protection but also an aesthetically pleasing presentation. With our commitment to excellence, we guarantee precise and prompt shipping, ensuring your product arrives at your destination in impeccable condition, right on time.
Other Instrument Transformer
We are proud to present an extensive and meticulously curated collection of instrument transformers. Each offering is designed to provide our valued customers with an exceptional variety that caters to all unique needs and precise requirements. Our diverse range guarantees unmatched performance and enduring reliability, making Denggao Electric Co., Ltd. your most trusted partner in achieving high-accuracy electrical solutions. By choosing us, you ensure that your expectations are not only met but exceeded with our high-quality and innovative products.

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.