Transformers
Transformers
Discover our comprehensive range of high-performance Transformers, engineered for reliable power distribution across diverse applications. We offer a full spectrum, including robust Pad Mounted Transformers for secure underground systems, efficient Distribution Transformers for utility grids, and space-saving Pole Mounted Transformers for overhead lines. For sensitive indoor environments, our Dry Type Transformers deliver exceptional safety without liquid coolants. Completing our lineup are powerful Power Transformers, vital for bulk energy transmission. Featuring advanced insulation (oil-filled or cast resin), optimized core designs, and adherence to international standards, our transformers ensure minimal energy loss, optimal voltage regulation, and long-term operational stability for industrial, commercial, and utility sectors.
5kVA Single Phase Pad Mounted Transformer
The 5kVA Single Phase Pad Mounted Transformer is designed for reliable and efficient power distribution in residential, commercial, and light industrial applications. Ideal for medium-density areas, this transformer steps down high-voltage electricity to a usable lower voltage for safe distribution to homes and businesses.
10kVA Single Phase Pad Mounted Transformer
The 10 kVA pad-mounted transformer meets ANSI, CSA, NEMA, IEEE, and DOE standards. NPC Electric's 10 kVA pad-mounted transformers comply with DOE efficiency values and are UL listed. Based on specific technical requirements, the incoming line can be designed as either a loop feed or radial feed, and it also supports customized dual voltage.
45kVA Three Phase Pad Mounted Transformer
The 45 kVA pad-mounted transformer meets ANSI, CSA, NEMA, IEEE, and DOE standards. NPC Electric's 45 kVA pad-mounted transformers comply with DOE efficiency values and are UL listed. Based on specific technical requirements, the iron core can be designed as either a three-legged or five-legged assembly structure.
75kVA Three Phase Pad Mounted Transformer
The 75kVA pad-mounted transformer is tailored for utility customers in Canada, featuring a primary voltage of 25kV and a secondary voltage of 480/277V. It strictly adheres to local standards, including CSA C227.4 and CSA C802.1, ensuring optimal efficiency values. Notably, both the high and low-voltage windings are crafted from aluminum or copper.
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer, produced by a reputable manufacturer and supplier in China, represents the pinnacle of electrical engineering excellence. These transformers are engineered with precision and cutting-edge technology to provide robust, efficient, and long-lasting power solutions.
5kVA Conventional Type Single Phase Pole Mounted Transformer
NPC ELECTRIC has been focusing on the production of 5kVA Conventional Type Single Phase Pole Mounted transformer for decades, complying with international standards such as IEC 60076, ISO 9001, IEEE C57.12.00, etc. to ensure its safety, performance and reliability. NPC ELECTRIC’s 5kVA conventional single-phase pole-mounted transformer is a small power transformer equipment, usually installed on power poles. This transformer is widely used in daily life and small industrial fields for its reliability and efficient power conversion capabilities, ensuring a stable and safe power supply.
10kVA Conventional Type Single Phase Pole Mounted Transformer
NPC ELECTRIC specializes in designing and manufacturing 10 kVA single-phase pole-mounted transformers that comply with international standards, including IEEE C57.12.00, IEEE C57.12.20, DOE-2016 Efficiency, CSA C2.1 & C2.2, and CSA C802.1. Our unwavering commitment to excellence drives us to provide tailored solutions, ensuring that each transformer aligns precisely with your unique technical requirements. Regardless of the voltage level or operating environment, you can trust NPC ELECTRIC to deliver the ideal solution to meet your specific needs. Your satisfaction and the reliability of our transformers remain central to our dedication to quality.
5kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC the production of the 5kVA Completely self-protected(CSP) Single Phase pole Mounted transformer is designed for reliable and efficient distribution of electrical power in residential and light commercial applications. Built to withstand harsh outdoor conditions, this transformer is equipped with a self-protection system that eliminates the need for external protection devices, offering enhanced safety and durability. The CSP feature ensures that the transformer can handle internal faults such as short circuits or overloads without causing damage to the system. This compact, oil-immersed transformer is easy to install on poles, making it ideal for overhead distribution in areas with limited space. It is designed to meet international standards, including ANSI, IEEE, and CSA, ensuring high-quality performance and long-lasting operation. The 5kVA CSP transformer is energy-efficient, providing stable voltage regulation and minimizing maintenance requirements, making it an excellent choice for both utility and commercial applications.
10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC the production of 10 kVA Completely Self-Protected (CSP) single-phase overhead transformers, meticulously engineered to meet international standards such as IEEE C57.12.00, IEEE C57.12.20, DOE-2016 Efficiency, CSA C2.1, and CSA C2.2. The 10kVA fully self-protected (CSP) single-phase pole-mounted transformer is an efficient and reliable power equipment designed for small and medium-sized power needs. The transformer adopts advanced fully self-protection technology and has built-in overload, short-circuit and overvoltage protection functions to ensure that the transformer can automatically cut off power under abnormal conditions, avoid equipment damage and improve system safety. It has a simple design, is easy to install, saves space, and is suitable for all types of power distribution systems. This transformer is suitable for residential, commercial areas and small industrial places, providing stable single-phase power output.In-Depth Analysis
NPC Electric transformers are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, NPC transformers exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
High-efficiency Core Design
High magnetic permeability and low loss silicon steel sheets are used and processed by special process to reduce hysteresis loss and eddy current loss and improve conversion efficiency.
Improved Magnetic Permeability
+25%
Reduced Iron Loss
-30%
Multiple Protection Systems
IP65 protection grade design combines multiple protection measures such as anti-corrosion, anti-UV, anti-condensation and anti-small animal intrusion.
Waterproof Performance
IP65
Anti-Corrosion Ability
15 years+
Ultra-low Noise Technology
A special shock-absorbing structure, low-noise fans, and optimized heat dissipation design ensure operating noise is far below industry standards.
Noise Reduction
-15dB
Suitability for Residential Areas
Excellent
Intelligent Cooling System
The heat dissipation system with adaptive temperature control automatically adjusts the heat dissipation efficiency according to the load and ambient temperature to reduce energy consumption.
Heat Dissipation Efficiency
+40%
Temperature Stability
±2℃
Safety Wiring System
Insulated protective cover and anti-misoperation design ensure personnel safety during installation and maintenance and reduce accident risks
Insulation Grade
Class H
Safety Protection
IP2X
Intelligent Monitoring
An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.
Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%
Environmental Adaptability Analysis
NPC transformers have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Seismic Resistance Level
IEC 60068-2-57
Suitable for earthquake-prone areas
Altitude
≤3000m
More than special design
Why Choose Us
As a trusted partner in energy savings and the development of green energy solutions, NPC Electric has played a pioneering role in the development of national smart grids across multiple regions.
Transformer Manufacturer
With over 30 years of manufacturing experience, we specialize in delivering reliable and efficient transformer solutions.
Our product portfolio includes Pad Mounted Transformers, Power Transformers, Dry Type Transformers, Pole Mounted Transformers, Oil-immersed Transformer, Substation Transformer and Distribution Transformers, serving diverse applications with proven quality and innovation.
NPC ELECTRIC is committed to providing partners with high-quality, high-performance, and high-reliability transformers.
Our product portfolio includes Pad Mounted Transformers, Power Transformers, Dry Type Transformers, Pole Mounted Transformers, Oil-immersed Transformer, Substation Transformer and Distribution Transformers, serving diverse applications with proven quality and innovation.
NPC ELECTRIC is committed to providing partners with high-quality, high-performance, and high-reliability transformers.
Transformer Installation
NPC Electric’s skilled engineers offer full-cycle support—from design consultation and technical drawings to on-site guidance and after-sales service—ensuring peace of mind at every stage of the project.
We have a technical team of over 60 members and more than 100 after-sales engineers, ready to assist customers with installation and on-site support. Till now, we have provided professional engineering services in countries such as Mongolia, Honduras, Peru, and Rwanda. Our services include winding resistance testing, oil testing, and installation support.
We have a technical team of over 60 members and more than 100 after-sales engineers, ready to assist customers with installation and on-site support. Till now, we have provided professional engineering services in countries such as Mongolia, Honduras, Peru, and Rwanda. Our services include winding resistance testing, oil testing, and installation support.
Transformer Testing
NPC Electric uses high-quality raw materials and advanced production processes, supported by strict quality control systems. Our products meet or exceed international standards such as IEC, UL, and ISO, ensuring safety, reliability, and long service life. All our cables are subject to third-party laboratory testing—such as by SGS, DNV, or witnessed directly by customers—to ensure compliance and performance.
Efficient Logistics & Timely Delivery
With over 4,200 square meters of strategically located warehouse space across China, we guarantee timely delivery and flexible logistics to meet tight global project schedules. We utilize specialized transportation teams across land, sea, and air to assist with shipping your products. We can arrange shipping on EXW, CIF, FOB, FCA, CIP, or any other terms requested by the client.
Product Show
Explore the detailed design and practical application scenarios of NPC transformers
Pad Mounted Transformer
Pad Mounted Transformer Design
3 Phase Transformer
Transformer Internal Structure
NPC Earth Transformer
Safe and reliable
Oil Immersed Transformer
Lightweight and compact with superior performance
Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC transformers have been successfully applied in many projects and have been highly praised by customers.
Mongolia Industrial Park
CompletedProvide stable and reliable power conversion solutions for industrial parks to meet diverse production needs.
Country：Mongolia
Model：Three Phase Pad Mounted Transformer x 8
Dominican Factory
CompletedEnsure power security in nearby industrial parks and meet diverse needs
Country：Dominican
Model：NPC 450KV Power Transformer x 4
Dominican Electricity
CompletedDry-type transformers provide safe, efficient, and reliable power distribution in Dominican .
Country：Dominican
Model：NPC Dry Type Transformer x 6
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What types of transformers do you manufacture?
We provide a full range of transformers including pad mounted transformers, power transformers, dry type transformers, pole mounted transformers, and distribution transformers, etc. -
How do your transformers ensure safety and reliability?
NPC transformers are built with advanced insulation systems, strict quality control, and international standard certifications, ensuring long-term safe and stable performance. -
Can transformers be customized for specific applications?
Yes. We offer customized designs to meet unique requirements in renewable energy, industrial, utility, and commercial applications. -
What is the typical service life of your transformers?
With proper maintenance, our transformers are designed for a service life of 25–30 years or more, ensuring reliable operation with minimal downtime. -
Do you provide after-sales service and technical support?
Absolutely. We offer comprehensive after-sales service, including installation guidance, maintenance support, and technical consultation.
Welcome your inquiry
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