DGG Single Phase Epoxy Resin Casting Type Instrument Current/Voltage Transformer: Immerse yourself in exceptional precision and unmatched reliability with our cutting-edge current transformer. Expertly engineered using premium epoxy resin casting, this advanced instrument is designed to meet the demands of high-performance applications. It guarantees superior accuracy and robust durability, positioning itself as an indispensable asset for all your electrical measurement requirements. Trust in the excellence of our innovation to elevate your operational efficiency to new heights.
We are a distinguished manufacturer, specializing in: High-precision current transformers,,reliable dropout fuse cutouts,robust voltage transformers,advanced vacuum circuit breakers/reclosers,state-of-the-art isolation switches, superior lightning arresters, high and low voltage cabinets, precision metering devices, and efficient power distribution transformers.and much more.
We offer bespoke production tailored to customer specifications, ensuring all products come with comprehensive testing reports and certificates. Every instrument transformer and product undergoes rigorous testing and meets high standards before leaving our factory.
Voltage transformersAlso known as potential transformers, these vital components are indispensable in electrical systems for the precise measurement and monitoring of voltage levels. They play a pivotal role in the safety and efficiency of power distribution networks by accurately stepping down high voltage levels to more manageable, lower levels for measurement and control purposes. This step-down process is crucial in safeguarding sensitive equipment and ensuring precise voltage readings. Beyond voltage transformation, these devices offer electrical isolation between high voltage systems and measuring instruments, thereby ensuring the safety of both personnel and equipment.
This isolation is instrumental in preventing electrical shocks and equipment damage, making voltage transformers a critical asset in maintaining a secure and safe working environment. In essence, voltage transformers are indispensable in electrical systems, delivering accurate voltage measurements, electrical isolation, and robust protection for equipment and personnel. Their significance in ensuring the reliable and efficient operation of power distribution networks cannot be overstated.
Transformer Ratio: The exact ratio specifications ensuring accurate voltage transformations.
Rated voltage ratio (kV) |
Accuracy class |
Rated output (VA) |
Limit output (VA) |
6/0.1/0.22 |
0.2/3 |
20/300 |
500 |
10/0.1/0.22 |
0.2/3 |
20/300 |
500 |
Advanced Technical Parameters: Cutting-edge features and technical details designed for optimal performance.
- Insulation Level: 12/42/75kV - Ensuring safety and reliability under diverse operational conditions.
- Optimized Power Factor: Power factor cosΦ=0.8 (lag) for enhanced efficiency and stability.
- Rated Frequency Choices: Flexible frequency options of 50Hz or 60Hz to suit various application needs.
- Total Weight: 59kg - Lightweight design for easy installation and maintenance.
Ideal Normal Environmental Usage Conditions: Specifications ensuring optimal performance under typical environmental conditions.
- Maximum Altitude: Designed to operate effectively at elevations up to 1000m.
- Ambient Temperature Range: Ensuring reliable operation within a temperature range of -5ºC to +40ºC.
- Air Relative Humidity: Operates efficiently with relative air humidity up to 85%.
- Air Relative Site: Specifically engineered for indoor use to ensure longevity and performance.
Outline and Installation Dimensions: Comprehensive details for seamless installation and integration.
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 unique needs.
Denggao Electric Co., Ltd.'s distinguished products have successfully penetrated numerous international markets, particularly flourishing in regions such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and an expanding list of many more. The unparalleled quality and exceptional performance of our 35kV Protective Current Transformer with state-of-the-art Casting Resin Insulation Type have earned widespread acclaim from our discerning customers. Over the years, we've proudly maintained a flawless track record with zero complaints.
Our dedicated team of experts excels in crafting the most cost-effective power solutions tailored to our clients' needs. We have been instrumental in meticulously designing their substation and distribution plans while successfully participating in highly competitive international bidding processes. Our unparalleled expertise ensures we consistently meet and exceed customer product requirements.
Our products are proudly backed by an array of prestigious certifications, such as ISO and Kema. Each item we produce undergoes rigorous testing procedures, and we possess an extensive collection of comprehensive type test reports. This meticulous attention to detail ensures that every product meets the highest standards of quality, safety, and reliability for our customers.
Our dedicated packaging team excels in customizing wooden boxes, logos, colors, and labels to align perfectly with customer specifications. We ensure impeccable packaging of products and guarantee precise and timely shipping.
Other Instrument Transformer
In addition to our renowned Instrument Transformer with Protective Features for 50Hz Applications, Denggao Electric Co., Ltd. proudly presents a comprehensive collection of other instrument transformers. These transformers are meticulously curated to ensure a diverse selection that impeccably meets the unique needs and requirements of our esteemed 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.