Transformers
Single Phase Pad Mounted Transformer
Ensure safe, discreet, and reliable single-phase power distribution with our Single Phase Pad Mounted Transformers. Specifically designed for underground residential and light commercial applications, these transformers are a modern alternative to pole-mounted units. Our Single Phase Pad Mounted Transformers feature robust, tamper-resistant enclosures, housing efficient oil-filled cores or, less commonly, dry-type designs. They offer superior safety, reduced visual impact, excellent overload capability, and stable voltage regulation, making them ideal for areas requiring aesthetic and secure power infrastructure. Trust our compliant and durable pad-mounted solutions for dependable, single-phase power in modern communities.
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.
300kVA Single Phase Pad Mounted Transformer
300kVA Single Phase Pad Mounted Transformer is a compact and efficient solution tailored for underground residential distribution (URD) systems and loop-feed applications. This fully sealed, oil-immersed transformer features high-efficiency electrical steel cores and robust aluminum or copper windings to deliver minimal losses and superior voltage regulation from high-voltage inputs like 13.8kV or 34.5kV down to 120/240V or 277/480V secondary. The environmentally friendly PCB-free dielectric fluid ensures excellent cooling and insulation while meeting ANSI/IEEE standards for loop or radial feed configurations. Ideal for urban and suburban settings, this pad-mounted transformer provides quiet operation, high overload capacity.
315kVA Single Phase Pad Mounted Transformer
315kVA Single Phase Pad Mounted Transformer, engineered for seamless integration into underground power distribution systems, particularly in residential and commercial loop-feed setups. This compact, oil-filled transformer utilizes advanced high-permeability steel cores and precision-engineered windings to offer exceptional energy efficiency, low operating temperatures, and reduced sound levels for discreet urban installations. Compliant with ANSI C57.12.38 and IEEE standards, this single-phase padmount transformer ensures reliable voltage conversion from primary voltages up to 34.5kV to standard secondary outputs like 120/240V, supporting radial or loop configurations with high short-term overload capability for growing communities.
630kVA Single Phase Pad Mounted Transformer
Elevate your underground power distribution with the robust 630kVA Single Phase Pad Mounted Transformer, specifically designed for high-demand residential and commercial loop-feed networks. This oil-immersed, single-phase unit incorporates premium electrical steel laminations and heavy-duty windings to minimize energy losses and provide outstanding thermal performance under continuous loads. Meeting ANSI C57.12.38 and IEEE C57.12.90 standards, this 630kVA padmount transformer delivers precise voltage transformation from primary levels up to 34.5kV to common secondary voltages like 120/240V or 277/480V, supporting extended overloads and long-term reliability in densely populated areas.
1000kVA Single Phase Pad Mounted Transformer
1000kVA Single Phase Pad Mounted Transformer, a high-capacity powerhouse optimized for extensive underground residential and commercial power distribution systems. This advanced oil-immersed transformer boasts ultra-efficient wound cores and premium windings to drastically cut operational losses while maintaining cool, stable performance even at peak demands. Fully aligned with ANSI C57.12.38, IEEE C57.12.00, and DOE efficiency requirements, this 1000kVA padmount delivers seamless step-down from primary voltages up to 34.5kV to versatile secondary outputs, empowering large-scale loop-feed or radial-feed networks with superior overload handling and minimal acoustic footprint.
1250kVA Single Phase Pad Mounted Transformer
The 1250kVA Single Phase Pad Mounted Transformer is a premium solution crafted for expansive underground electrical systems in high-growth areas. Housed in a secure, weatherproof cabinet with advanced dead-front or live-front configurations, it maximizes personnel safety and deters tampering in public spaces. Adhering to ANSI C57.12.25, IEEE C57.12.91, and energy efficiency mandates, this 1250kVA single-phase padmount excels in transforming primary voltages up to 34.5kV to flexible secondary levels, offering exceptional short-circuit strength and quiet operation for large-scale residential and commercial deployments.
1600kVA Single Phase Pad Mounted Transformer
The 1600kVA Single Phase Pad Mounted Transformer represents the pinnacle of high-capacity underground distribution technology, engineered to handle the most demanding residential and commercial loads with outstanding efficiency and longevity. Conforming to the latest ANSI C57.12.38, IEEE C57.12.00, and DOE 2016/2020 efficiency tiers, this 1600kVA single-phase padmount provides reliable step-down from primary voltages up to 46kV to versatile secondary configurations, supporting massive loop-feed networks with superior overload tolerance and virtually silent operation.In-Depth Analysis
Single Phase 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
+28%
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 single-phase pad-mounted transformer solutions are trusted worldwide for efficiency, safety, and reliability.
Enhanced Safety & Tamper Resistance
Our Single Phase Pad Mounted Transformers are specifically engineered with enhanced safety and tamper resistance as top priorities, making them ideal for residential and public areas. Housed in robust, lockable enclosures, these units prevent unauthorized access and protect against accidental contact, significantly reducing the risk of electrical hazards. The fully enclosed design safeguards internal components from external elements and vandalism, ensuring continuous, reliable operation. By choosing our safe pad-mounted transformers, you provide a secure and protected underground power distribution solution that prioritizes public welfare and minimizes liability for your utility network.
Discreet Aesthetics for Modern Communities
Integrate seamlessly into modern residential and light commercial landscapes with the discreet aesthetics of our Single Phase Pad Mounted Transformers. Unlike traditional pole-mounted units that can detract from visual appeal, our ground-level, low-profile designs are aesthetically pleasing and blend effortlessly with the surrounding environment. This makes them a preferred choice for communities valuing an uncluttered streetscape and preserved views. Choosing our discreet single-phase transformers helps maintain the architectural integrity and natural beauty of your development, providing underground electrical infrastructure that is both functional and visually harmonious.
Reliable & Efficient Single-Phase Power
Our Single Phase Pad Mounted Transformers deliver reliable and efficient single-phase power, forming the backbone of modern residential and light commercial electrical systems. Utilizing optimized core designs and high-quality windings, these pad-mounted units ensure minimal energy loss and superior voltage regulation, even during peak demand. Their robust construction and oil-filled insulation (or specialized dry-type options) guarantee long-term operational stability and excellent overload capacity. By deploying our efficient single-phase transformers, you provide a consistent and high-quality power supply, crucial for the dependable operation of homes, small businesses, and various power distribution networks.
Reduced Environmental Impact & Maintenance
Opting for our Single Phase Pad Mounted Transformers contributes to a reduced environmental impact and simplifies maintenance for your underground power infrastructure. The enclosed design protects components from weather and external damage, decreasing the likelihood of failures and thereby reducing emergency repairs. Furthermore, their placement at ground level improves accessibility for routine inspections and maintenance, streamlining servicing procedures. This combination of robust protection and ease of access leads to lower long-term maintenance costs and a more sustainable approach to power distribution, making them an environmentally conscious and practical choice.
Product Show
Explore the detailed design and practical application scenarios of single-phase pad-mounted transformers
Single Phase Pad Mounted Transformer
Single Phase Transformer Internal Structure
15kVA Single Phase Transformer
15kVA Single Phase Transformer Appearance
15kVA Single Phase Transformer Side
15kVA Single Phase Pad Mounted Transformer
75kVA Single Phase Transformer
75kVA Single Phase Pad Mounted Transformer
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
Single-phase pad-mounted transformers have been successfully applied in many projects and have been highly praised by customers.
Spain Industrial Park
CompletedProvide stable and reliable power conversion solutions for industrial parks to meet diverse production needs.
Country：Spain
Model：45kVA Single Phase Pad Mounted Transformer x 6
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
CompletedSingle-phase pad-mounted transformers provide safe, efficient, and reliable power distribution in Venezuela.
Country：Venezuela
Model：75kVA Single Phase Pad Mounted Transformer x 12
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 how does it work?
A single phase pad mounted transformer is a distribution transformer installed at ground level in a secure enclosure. It converts higher utility voltage into lower usable voltage for homes, small businesses, and rural areas. Compact and safe, this single phase transformer provides efficient power delivery with minimal maintenance needs. -
When should I choose a single phase transformer instead of a three phase unit?
A single phase transformer is ideal for residential neighborhoods, small commercial buildings, and light-load applications where demand is lower. Compared to a three phase transformer, it is more affordable, compact, and easy to install. For large industrial facilities, however, a three phase system usually provides better efficiency and higher capacity. -
Can a single phase to three phase transformer convert power for industrial use?
Yes, a single phase to three phase transformer is designed to convert single phase power into three phase power. It is often used in areas where only single phase supply is available, but machinery requires three phase. By installing a single to three phase transformer, businesses can run industrial equipment without rebuilding the entire power network. -
How does a 3 phase from single phase transformer help in upgrading power supply?
A 3 phase from single phase transformer provides a practical solution for upgrading existing power infrastructure. It enables facilities with only single phase input to generate three phase output, supporting motors, pumps, and heavy equipment. This makes it an efficient choice for workshops, farms, and small factories expanding their energy requirements. -
What are the benefits of using a single to three phase transformer for businesses?
Using a single to three phase transformer allows businesses to operate three phase equipment even when only single phase power is available. It reduces the cost of upgrading the utility connection and ensures machines run smoothly. This solution improves energy efficiency, boosts productivity, and extends equipment life for commercial and industrial users.
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