Energy Transformer manufactures high quality pad mounted transformers for outdoor and underground installations, available in both single phase and three phase configurations. With power ratings from 50 kVA to 10000 kVA and voltage up to 35 kV, our transformers are ideal for commercial, industrial, and utility applications. Designed to meet international standards such as IEC, GOST, CE, and UL, these transformers provide reliable, long-lasting performance. We offer customizable solutions and factory-direct wholesale pricing for large scale projects.
High-Efficiency Pad Mounted Transformers: Your Solution for Safe & Reliable Underground Power Distribution
Welcome to Energy Transformer, your global partner for premium pad mounted transformers. In today’s modern electrical infrastructure, these units are essential for a safe, reliable, and aesthetically pleasing power supply. Unlike their overhead counterparts, our pad-mount transformers are designed for ground-level installation, making them the ideal choice for areas where visual appeal and public safety are a priority.
Our extensive range of transformers is engineered to meet the stringent standards of global markets, including ANSI C57, IEEE, and IEC 60076. We provide durable, tamper-proof, and highly efficient units that are the core of countless residential, commercial, and industrial power distribution systems. Whether you're a utility company in North America, a developer in Europe, or a contractor in Australia, Energy Transformer provides the quality and performance you can count on.
What is a Pad Mounted Transformer?
A pad mounted transformer is a ground-level electrical transformer housed in a locked, tamper-proof steel cabinet. This design allows it to be placed outdoors, on a concrete pad, serving as a critical component in underground electrical distribution systems. It is the perfect solution for stepping down high-voltage power from the utility grid to a lower, usable voltage for homes, commercial buildings, and industrial facilities.
Their key features include:
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Underground Cable Integration: The transformers are connected to primary power lines via underground cables, keeping overhead wires out of sight.
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Safety and Security: The fully enclosed cabinet protects the public from live electrical components, making them safe for installation in residential neighborhoods, parks, and other public spaces.
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Weatherproof Design: Built to withstand harsh weather conditions, from extreme heat to heavy rain and snow, ensuring continuous operation.
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Aesthetic Appeal: The compact, unobtrusive design blends seamlessly into the environment, preserving the visual landscape.
Comprehensive Technical Specifications & Product Range
Energy Transformer offers a wide selection of pad mounted distribution transformers to meet diverse power requirements. Our products are available in both single-phase and three-phase configurations, with various kVA ratings and voltage classes. The table below outlines our most popular models.
| Specification | Single-Phase Pad Mounted Transformers | Three-Phase Pad Mounted Transformers |
|---|---|---|
| Rated Power (kVA) | 10, 15, 25, 37.5, 50, 75, 100, 167, 250 kVA | 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2500, 3000，10000kVA |
| Primary Voltage (kV) | 2.4 - 34.5 kV (e.g., 7.2kV, 11kV, 13.8kV, 24.94kV, 33kV) | 2.4 - 34.5 kV (e.g., 11kV, 13.8kV, 24.94kV, 33kV) |
| Secondary Voltage (V) | 120/240V, 240/480V, 277V | 208Y/120V, 480Y/277V, 600Y/347V, 415Y/240V |
| Frequency | 50 Hz or 60 Hz | 50 Hz or 60 Hz |
| Winding Material | Copper or Aluminum | Copper or Aluminum |
| Cooling Method | ONAN (Oil Natural Air Natural) | ONAN (Oil Natural Air Natural) |
| Standards Compliance | ANSI C57.12.25, IEEE C57.12.25, IEC 60076 | ANSI C57.12.26, IEEE C57.12.26, IEC 60076 |
| Insulating Fluid | Mineral Oil, Natural Ester Fluid (FR3, Envirotemp) | Mineral Oil, Natural Ester Fluid (FR3, Envirotemp) |
| Enclosure | Tamper-proof, galvanized steel, stainless steel | Tamper-proof, galvanized steel, stainless steel |
Design Options: Live-Front vs. Dead-Front & Radial vs. Loop Feed
Choosing the right transformer configuration is vital for your network's safety and operational flexibility. We offer a range of design options, including:
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Live-Front vs. Dead-Front:
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Live-Front transformers have exposed energized terminals, requiring caution during maintenance.
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Dead-Front transformers feature insulated bushings, making them safer for technicians and the public. This is the preferred choice for most modern applications.
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Radial Feed vs. Loop Feed:
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Radial Feed is a simple, cost-effective design where power flows from a single source to the transformer.
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Loop Feed involves two sets of primary bushings, allowing the transformer to be connected to a looped power circuit. This enhances reliability, as power can still be supplied from the other direction in case of a fault on one side of the loop.
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Key Applications & Use Cases
Our underground distribution transformers are the preferred choice for a variety of sectors and projects:
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Residential & Urban Developments: Providing a safe, low-profile power solution for new housing projects and established neighborhoods.
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Commercial & Industrial Parks: Powering shopping centers, office buildings, light manufacturing facilities, and other commercial spaces.
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Renewable Energy Integration: Used to connect solar farms, wind turbines, and other renewable energy sources to the local grid.
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Public Infrastructure: Ideal for street lighting, public parks, and other applications where safety and aesthetics are paramount.
Global Market Coverage: Trusted by Customers Worldwide
Energy Transformer is proud to serve a global clientele with our superior pad mounted transformers. Our products are trusted and deployed in key markets including:
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North America: USA, Canada, Mexico
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Europe: United Kingdom, Germany, France, Spain, Netherlands, Italy
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Oceania: Australia, New Zealand
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South America: Brazil, Argentina, Colombia
We understand regional specifications and standards, offering ANSI padmount transformers for North American markets and IEC padmount transformers for European and other international regions.
Why Choose Energy Transformer for Your Pad Mounted Transformers?
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Uncompromising Quality & Certifications: Our manufacturing facilities are ISO certified, and our products adhere to leading international standards. We perform rigorous type and routine testing to guarantee performance and longevity.
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Custom Engineering & OEM/ODM Support: We offer bespoke design services to meet unique project specifications, from specific kVA ratings and voltage configurations to custom enclosure colors and accessories.
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Competitive Wholesale Pricing: As a direct manufacturer, we offer competitive pricing for bulk and wholesale orders, ensuring excellent value and a strong return on investment.
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Reliable Global Logistics: Our experienced logistics team ensures fast lead times and smooth international shipping, delivering your order to your project site on time, every time.
Frequently Asked Questions (FAQs)
Q1: What's the core difference between a pad-mount transformer and a pole-mount transformer? A: The main difference is their installation method. Pad mounted transformers are ground-level units connected to an underground power grid, while pole mounted transformers are installed on utility poles for overhead distribution.
Q2: How does a dead-front design enhance safety? A: A dead-front design uses insulated bushings, meaning all high-voltage connections are fully covered and protected, minimizing the risk of electric shock for personnel working on or near the unit.
Q3: How do I select between a radial feed and a loop feed transformer? A: A radial feed is sufficient for simple, single-source power lines. A loop feed is a more reliable option for networks where a continuous power supply is critical, as it provides a redundant power path in case of a line fault.
Q4: Can pad mounted transformers be installed in public areas? A: Yes, their tamper-proof and fully enclosed design makes them ideal for public areas like residential neighborhoods, parks, and shopping centers, as they pose minimal safety risks to the public.
Q5: What maintenance is required for these transformers? A: While generally low-maintenance, it's recommended to perform periodic visual inspections for signs of damage or leaks. For older units, routine checks of the insulating fluid are advised to ensure optimal performance.
Get a Quote and Power Your Project with Energy Transformer
Ready to find the perfect pad mounted transformer for your project? Our team of experts is here to assist you with technical specifications, custom designs, and competitive pricing.
Request a Quote or Contact Us today to get started.