Transformers
Pad Mounted Transformer
100kVA Single Phase Pad Mounted transformer
The 100 kVA Single Phase Pad Mounted transformer adheres to a compartmental-type structure in line with IEEE Std C57.12.28 or IEEE Std C57.12.29 standards. It consists of a tank housing high-voltage and low-voltage cable terminating compartments, thoughtfully positioned side by side along one face of the transformer tank. In this configuration, the high-voltage compartment, fitted with two internally connected high-voltage bushing wells and inserts, a 4-position loadbreak switch, a 5-position tap changer switch, and a bayonet fuse, is situated alongside the low-voltage compartment featuring three stud L.V bushings and an oil level gauge.
167kVA Single Phase Pad Mounted Transformer
NPC ELECTRIC 167 kVA pad mounted transformer meets/exceeds DOE 2016 efficiency ratings with UL/cUL listed. NPC ELECTRIC Transformer, a distinguished transformer supplier and manufacturer with a UL listing, offers tailored solutions for 167 kVA transformers to align with distinct standards, technical specifications, and application settings.
250kVA Single Phase Pad Mounted Transformer
NPC ELECTRIC 250 kVA single phase pad mounted transformer operates safely, reliably, and efficiently and can be installed indoors and outdoors. The industrial transformer has a rated power of 250 kVA, a primary voltage of 27600/16000V single-phase and a secondary voltage of 120/240V single-phase.The transformer has a primary loop feed and dead front primary connections.
333kVA Single Phase Pad Mounted Transformer
The 333kVA Single Phase Pad Mounted Transformer is a high-performance electrical transformer designed for reliable power distribution in industrial and commercial applications. With a robust, weather-resistant enclosure, it is ideal for outdoor installations and offers efficient step-down voltage conversion. This transformer features a 333kVA capacity, providing reliable power to meet the demands of single-phase systems, and comes with customizable primary and secondary voltage configurations.
500kVA Single Phase Pad Mounted Transformer
The 500kVA Single Phase Pad Mounted Transformer is a high-capacity electrical transformer designed for reliable and efficient power distribution in commercial, industrial, and utility applications. With a robust, weatherproof enclosure, it is specifically built for outdoor use and can handle the demanding requirements of larger single-phase systems. This transformer offers a 500kVA capacity, ensuring dependable performance for a variety of load conditions.
150kVA Three Phase Pad Mounted Transformer
150kVA Three-Phase Pad Mounted Transformer is an efficient and reliable power transformer designed for applications in commercial, industrial, and residential areas. This transformer features a robust enclosure and protective design, enabling stable operation in outdoor environments and making it suitable for power systems with high load demands. With a high power capacity of 150kVA and three-phase power output, it ensures a stable voltage and smooth power supply for the equipment.
225kVA Three Phase Pad Mounted Transformer
The 225kVA three-phase pad transformer is an efficient and reliable power conversion device designed for commercial, industrial and distribution systems. With a high power capacity of 225kVA, the transformer is able to provide a stable three-phase power supply for large-scale equipment to meet high load requirements. Its rugged housing is made of weather-resistant materials and meets NEMA 3R standards, ensuring long-term stable operation in outdoor environments and preventing the influence of external factors such as water, dust and corrosion.
300kVA Three Phase Pad Mounted Transformer
The 300kVA three-phase pad transformer is an efficient and reliable power device designed for commercial, industrial and distribution systems. The transformer provides a high power capacity of 300kVA, which can provide a stable three-phase power supply for high-load equipment, ensuring efficient and smooth operation of the power system. Its sturdy housing adopts a protective design that meets the NEMA 3R standard, which can effectively resist the invasion of the external environment and is suitable for outdoor installation.
500kVA Three Phase Pad Mounted Transformer
The 500kVA three-phase pad transformer is an efficient and sturdy power equipment designed for commercial, industrial and distribution systems. It has a compact design and a protective casing that meets NEMA 3R or higher standards. It is suitable for various outdoor environments and can effectively resist external factors such as weather, dust and moisture. It can meet the power needs of different regions and has a variety of optional functions, such as load regulation and temperature control systems, to further improve its operating efficiency and safety. The built-in protection device can effectively prevent overload, short circuit and other faults to ensure the safe and reliable operation of the power system.In-Depth Analysis
Pad Mounted 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.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, 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
+30%
Reduced Iron Loss
-35%
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
Pad Mounted 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
Discover why our pad mounted transformers — from single phase to three phase solutions — are trusted worldwide for efficiency, safety, and reliability.
Pad Mounted Transformers Manufacturer
We provide a comprehensive selection of pad mounted transformers, including both single phase pad mounted transformers and three phase pad mounted transformers, designed to meet the power needs of residential, commercial, and industrial users.
Our single phase units are perfect for small communities and light-load distribution, while our 3 phase transformers ensure efficient performance for larger, more demanding networks. Whether you need a compact solution for limited space or a high-capacity unit for industrial facilities, our diverse product line guarantees the right fit for your project. With flexible voltage ratings and sizes, we deliver reliable power wherever it’s needed.
Our single phase units are perfect for small communities and light-load distribution, while our 3 phase transformers ensure efficient performance for larger, more demanding networks. Whether you need a compact solution for limited space or a high-capacity unit for industrial facilities, our diverse product line guarantees the right fit for your project. With flexible voltage ratings and sizes, we deliver reliable power wherever it’s needed.
Pad Mounted Transformer Size Options
We offer pad mounted transformers in a wide range of sizes to match diverse project requirements. From compact single phase pad mounted transformers ideal for residential neighborhoods to large three phase pad mounted transformers designed for industrial and utility networks, every size ensures optimized performance.
Choosing the right size of a 3 phase transformer helps balance efficiency, cost, and space utilization. With standard and customizable options, our transformers deliver reliable power while fitting seamlessly into any installation environment.
Choosing the right size of a 3 phase transformer helps balance efficiency, cost, and space utilization. With standard and customizable options, our transformers deliver reliable power while fitting seamlessly into any installation environment.
Safe, Durable & Low Maintenance
Safety and durability are at the core of our pad mounted transformer design. Each unit is housed in a sealed, tamper-proof enclosure to protect against environmental conditions, vandalism, and accidental contact. Our single phase pad mounted transformers and three phase pad mounted transformers feature advanced insulation and cooling systems, ensuring smooth operation even under heavy loads.
With built-in protection mechanisms, every 3 phase transformer minimizes risks while extending service life. Thanks to their robust design, our transformers require minimal maintenance, helping customers save on costs and downtime. Invest in a solution that prioritizes safety, resilience, and long-term value.
With built-in protection mechanisms, every 3 phase transformer minimizes risks while extending service life. Thanks to their robust design, our transformers require minimal maintenance, helping customers save on costs and downtime. Invest in a solution that prioritizes safety, resilience, and long-term value.
Energy-Saving and Cost-Effective
Our pad mounted transformers are not only reliable but also highly energy-efficient, helping customers lower operational costs and reduce power losses. The single phase pad mounted transformer is designed for smaller loads, delivering consistent power with minimal energy waste, while the three phase pad mounted transformer ensures efficient power flow in large-scale commercial and industrial networks.
Every 3 phase transformer is optimized to maximize performance while keeping life-cycle costs low. With advanced design and eco-friendly features, our transformers provide long-term savings and support sustainable energy solutions for diverse applications.
Every 3 phase transformer is optimized to maximize performance while keeping life-cycle costs low. With advanced design and eco-friendly features, our transformers provide long-term savings and support sustainable energy solutions for diverse applications.
Product Show
Explore the detailed design and practical application scenarios of pad mounted transformers
Single Phase Pad Mounted Transformer
Single Phase Transformer Internal Structure
3 Phase Pad Mounted Transformer
Three Phase Transformer Internal Structure
500kVA 3-phase Transformer
500kVA 3-phase Pad Mounted Transformer
4 Position Load Break Switch
Transformer 4 Position Load Break Switch
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
Pad Mounted 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
Mongolia Residential Area
CompletedEnsure the power safety of surrounding residents and meet daily work needs
Country：Mongolia
Model：75KV Single Phase Pad Mounted Transformer x 10
Venezuela Factory
Completed3-phase pad-mounted transformers provide safe, efficient, and reliable power distribution in Venezuela.
Country：Venezuela
Model：500kVA Three Phase Pad Mounted Transformer x 7
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 is a single phase pad mounted transformer and where is it commonly used?
A single phase pad mounted transformer is a compact distribution transformer typically used in residential areas and light commercial applications. It provides reliable voltage conversion for smaller loads, offering easy installation and safe operation. With its sealed enclosure and low maintenance design, it is ideal for neighborhoods, rural power systems, and facilities requiring efficient single phase power. -
What are the advantages of a three phase pad mounted transformer compared to a single phase unit?
A three phase pad mounted transformer delivers more efficient power distribution than a single phase unit, making it ideal for industrial plants, large commercial complexes, and utility networks. It provides balanced loads, higher capacity, and reduced energy losses. Compared to a single phase pad mounted transformer, the three phase transformer is better suited for demanding applications that require stable and continuous power supply. -
How does a three phase transformer improve efficiency in industrial applications?
A three phase transformer improves efficiency by delivering balanced power across three lines, reducing energy loss and improving system stability. In industrial applications, this ensures reliable operation of heavy machinery, motors, and equipment. By maintaining consistent voltage and supporting higher loads, a three phase pad mounted transformer minimizes downtime and enhances productivity, making it the preferred choice for large-scale power distribution. -
What are the standard pad mounted transformer sizes available?
Standard pad-mounted transformer sizes range from 15 kVA to 500 kVA for a single-phase pad-mounted transformer, and from 45 kVA up to several thousand kVA for a three-phase pad-mounted transformer. Choosing the right size depends on load capacity, installation site, and whether you need a 3-phase transformer for industrial use. -
Can I convert power from single phase to three phase using a transformer?
Yes, power can be converted from single phase to three phase with the help of specialized transformers or phase converters. While a single phase pad mounted transformer cannot directly create three phase power, certain systems, such as rotary or static converters, can enable this conversion. For industrial expansion, installing a three phase pad mounted transformer is often the most reliable long-term solution. -
How do I select the right pad mounted transformer size for my project?
Selecting the correct pad-mounted transformer size requires analyzing your load demand, voltage requirements, and future expansion needs. A single-phase pad-mounted transformer is best for residential or light commercial power, while a 3-phase transformer is recommended for industrial or high-capacity projects. Consulting with an expert ensures efficiency and cost-effectiveness.
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