DGG Single Phase Epoxy Resin Casting Type Instrument Current/Voltage Transformer: Venture into the extraordinary realm of unmatched precision and unwavering reliability with our cutting-edge current transformer. Masterfully engineered through advanced epoxy resin casting technology, this transformer stands as the pinnacle of high-performance craftsmanship. It assures not only remarkable accuracy but also long-lasting durability, establishing itself as an essential tool for all your electrical measurement requirements. Designed to excel in both demanding industrial environments and intricate power systems, this exceptional instrument represents the gold standard of excellence and innovation in the world of electrical measurement.
At Denggao Electric Co., Ltd., we take immense pride in positioning ourselves as a premier and distinguished professional manufacturer. Our specialization lies in crafting high-precision current transformers that are meticulously engineered to adhere to the most stringent industry standards, ensuring unmatched performance and reliability.,Our product range is distinguished by the inclusion of highly reliable and expertly crafted dropout fuse cutouts,exceptionally robust and long-lasting voltage transformers,cutting-edge advanced vacuum circuit breakers and reclosers,state-of-the-art isolation switches, superior quality lightning arresters, high and low voltage cabinets, precision-engineered metering devices, and power distribution transformers designed for efficiency. Each product is a testament to our commitment to excellence, crafted with meticulous attention to detail and unparalleled quality.and an expansive selection of other top-tier solutions engineered for excellence.
We are unmatched in our ability to provide custom production that is precisely tailored to your specific requirements. Each product is delivered with comprehensive testing reports and certifications, ensuring that every instrument transformer meets the highest quality standards before it departs our manufacturing facility.
Introducing our exceptional voltage transformer, a marvel of engineering excellence from Denggao Electric Co., Ltd. This cutting-edge device employs advanced epoxy-resin vacuum casting technology, ensuring a fully enclosed, highly sophisticated single-phase structure, perfect for indoor applications. Designed to elevate performance within power systems, this transformer is tailored for rated frequency operations. It meticulously operates at either 50Hz or 60Hz, and is ingeniously engineered to handle a rated voltage of up to and including 35kV, ensuring it stands as the quintessential choice for pinpoint electric energy metering and precise voltage measurement.Crafted to perfection, this transformer is the ideal solution for exacting electric energy metering and precise voltage measurement tasks.
This exceptional transformer complies with the rigorous standards of GB 20840.1-2010, which delineates the comprehensive general requirements for instrument transformers in Part 1, and is complemented by the detailed specifications in GB 20840.3-2013, which lays out the additional requirements for inductive voltage transformers. Beyond this, it meets the stringent compliance standards of JJG314-2010, regulating Instrument Voltage Transformers. This guarantees unmatched reliability and peak performance efficiency.
Transformer Ratio
Rated primary current (A) |
Accuracy class |
Rated output (VA) |
Rated short-time thermal current (kA/S) |
Rated Insulation level (kA) |
5 |
0.2S/0.5/10P10
0.2S/10P10/10P10
0.2S/10P20 |
10/10/15
10/15/15
10/15 |
0.36 |
0.9 |
10 |
0.72 |
1.8 |
15 |
1.08 |
2.7 |
20 |
1.44 |
3.6 |
25 |
1.8 |
4.5 |
30 |
2.16 |
5.4 |
40 |
2.86 |
6.3 |
50 |
3.6 |
7.2 |
60 |
4.32 |
8.1 |
75 |
5.4 |
13.5 |
80 |
5.76 |
14.4 |
100 |
7.2 |
18 |
120 |
8.64 |
21.6 |
150 |
10.8 |
27 |
200 |
14.4 |
36 |
250 |
18 |
45 |
300 |
21.6 |
54 |
400 |
28.8 |
63 |
500 |
36 |
72 |
600 |
43.2 |
108 |
800 |
57.6 |
120 |
1000-2000 |
72 |
144 |
Advanced Technical Parameters
- Insulation Level: Masterfully designed to handle 40.5/95/200kV with precision and safety, ensuring unparalleled reliability for any operational need.
- Optimized Power Factor: Achieve peak efficiency with a power factor of cosΦ=0.8 (lag), guaranteeing superior and consistent performance in every application.
- Rated Frequency Choices: Versatile by design, seamlessly adaptable to 50Hz or 60Hz frequencies, perfectly catering to a wide range of applications and operational demands.
- Total Weight: Remarkably compact and robust at just 78kg, ingeniously crafted for effortless installation and handling.
Ideal Normal Environmental Usage Conditions
- Maximum Altitude: Engineered for excellence, with performance optimized for altitudes not exceeding 1000m, ensuring steadfast reliability and durability under challenging conditions.
- Ambient Temperature Range: Meticulously designed to function optimally from -5ºC to +40ºC, accommodating any climate with unmatched adaptability.
- Air Relative Humidity: Expertly engineered to operate efficiently with air relative humidity at or below 85%, maintaining performance integrity at all times.
- Air Relative Site: Ideally suited for indoor environments, ensuring unwavering safety and performance in any setting.
Outline and Installation Dimensions
Below are the precise installation and external dimension drawings of the product. Custom sizes and dimensions can be tailored meticulously to meet specific customer requirements.
Denggao Electric Co., Ltd. has triumphantly extended its reach into a multitude of global markets, achieving remarkable success in diverse regions including Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and many more, showcasing our expansive and influential presence. The unrivaled quality and exceptional performance of our 35kV Protective Current Transformer with Casting Resin Insulation Type have earned us widespread acclaim and admiration from our cherished customers. Throughout the years, we have proudly maintained an impeccable track record with zero complaints, a testament to our unwavering commitment to excellence.
Our devoted team is unparalleled in crafting the most cost-effective and efficient power solutions for our clients. We have been instrumental in designing substation and distribution plans tailored to specific needs and have excelled in international bidding processes. Our expertise ensures that we consistently meet and surpass customer product requirements, delivering beyond expectations every time.
Our products are backed by an impressive suite of prestigious certifications, including ISO and Kema. We also house a comprehensive collection of meticulously detailed type test reports, demonstrating our steadfast dedication to achieving the utmost standards of quality and reliability. Our commitment to excellence is unwavering, ensuring that every product meets and exceeds industry expectations.
Our dedicated packaging team excels in crafting bespoke wooden boxes tailored to your unique specifications. With meticulous attention to detail, we incorporate your personalized logos, vibrant colors, and intricate labels, ensuring your brand captures attention and makes a lasting impression. Each product is packaged with the utmost care to guarantee it arrives in pristine condition, and our streamlined logistics ensure precise and timely delivery to your desired destination, enhancing your overall experience.
Other Instrument Transformer
At Denggao Electric Co., Ltd., we are delighted to unveil our extensive array of additional instrument transformers. Each product is carefully selected to present our valued clients with a wide and diverse assortment that perfectly aligns with their distinct needs and specific requirements. Our extensive range ensures unmatched performance and lasting reliability, positioning Denggao Electric Co., Ltd. as your definitive partner in providing 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.