Introducing the DGG Single Phase Epoxy Resin Casting Type Instrument Current Transformer: a masterpiece of engineering precision and reliability. This current transformer is a testament to the fusion of innovative technology and robust design, crafted with meticulous attention to detail. Encased in high-quality epoxy resin, this device ensures unparalleled durability and consistent performance, making it an indispensable asset for your electrical applications.
We are a professional manufacturer specializing in Current transformers, dropout fuse cutouts,voltage transformers, vacuum circuit breakers/reclosers, isolation switches, lightning arresters, high and low voltage cabinets, metering devices, and power distribution transformers among others.
We offer the capability to customize production based on customer drawings, ensuring each product is tailored to specific needs. Every item is accompanied by comprehensive testing reports and certificates, assuring quality and reliability. Our professional-grade testing reports for all instrument transformers certify that each product has successfully undergone rigorous testing before leaving the factory.
This sophisticated current transformer embodies cutting-edge epoxy-resin vacuum casting coupled with a fully enclosed post structure, meticulously engineered for power systems with a rated frequency of either 50Hz or 60Hz. Designed for seamless integration with systems up to 10kV, it serves a versatile role in electric energy metering, precise current measurement, and robust relay protection. Its design allows for a flexible combination of accuracy classes to meet diverse requirements. 0.2S, 0.2, 0.5, and 10P.
It is crafted to comply with rigorous standards, GB20840.1-2010, which pertains to Instrument transformers-Part 1: General requirements, GB 20840.2-2014, focusing on Instrument transformers-Part 2: Additional requirements for current transformers, and, JJG 313-2010, specifying criteria for Instrument Current Transformers.
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
0.2S/0.2S
0.2S/10P10 |
10
10/10
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 |
2.88 |
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 |
Technical Parameters
- Insulation level: 12/42/75kV - Ensure robust performance and safety with our expertly engineered insulation levels.
- Power factor: cosΦ=0.8 (lag) - Optimized for efficiency, our transformers offer a reliable power factor for your needs.
- Rated secondary current: 5A or 1A - Choose from our versatile options to find the perfect fit for your electrical setup.
- Rated frequency: 50Hz or 60Hz - Flexible frequency options for seamless integration into various electrical systems.
- Weight: 13kg - Lightweight design for easy handling and installation without compromising performance.
Normal Environmental Usage
- Altitude: Should not exceed 1000m - Ideal for a wide range of elevations, ensuring reliable functionality.
- Ambient temperature: -5ºC to +40ºC - Designed to operate efficiently within diverse temperature ranges.
- Air Relative Humidity: Less than or equal to 85% - Maintains effectiveness in varying humidity conditions, safeguarding your investment.
- Air relative site: Indoor - Perfectly suited for indoor applications, providing consistent and secure performance.
Outline and Installation Dimension
The following are the specific installation and external dimension drawings of the product. We can design products of different sizes and dimensions according to the requirements provided by the customer. Tailor-made solutions for your unique needs to ensure perfect compatibility and functionality.
Denggao Electric Co., Ltd.'s exceptional products are proudly exported across the globe, with a strong presence in thriving markets such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, among others. Our 11kv 75kv Electrical Current Transformer with Durable Resin Insulation has consistently received accolades for its superior quality and unmatched performance. Over the years, there has not been a single complaint, highlighting our unwavering commitment to excellence.
Our dedicated team excels in crafting the most cost-effective power solutions tailored to each client's unique needs. We actively participate in designing both substation and distribution plans, alongside venturing into overseas bidding. Our expertise has successfully addressed and fulfilled product requirements, ensuring customer satisfaction and seamless operations.
Our credentials speak volumes about our commitment to quality and excellence. We proudly hold ISO certification, Kema certification, among other extensive and varied type test reports. These certifications underscore the reliability and high standards of our 11kv 75kv Electrical Current Transformer with Durable Resin Insulation, crafted by Denggao Electric Co., Ltd.
Our dedicated packaging team offers bespoke services, tailoring wooden boxes, logos, colors, and labels to meet your exact specifications. We ensure your products are exquisitely packaged and dispatched with precision, guaranteeing safe and timely delivery.
Other Instrument Transformer
We also offer an extensive assortment of additional instrument transformers to cater to the diverse needs of our discerning customers.

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.
Order Notice
1. Please specify the model and current e.g. LZZBJ9-10A3G 100/5
2. Please specify the accuracy class and rated output; e.g. 0.2S 10VA
3. Please contact us if there is any specific requirement.
4. Please specify the order quantity and delivery time