500 kVA Three Phase Pad Mounted Distribution Transformer
Medium Voltage 13.2 kV / 12.47 kV Primary | Low Voltage Secondary | ANSI Utility-Grade
The 500 kVA three phase pad mounted distribution transformer is a high-capacity, utility-grade power solution designed for medium-voltage to low-voltage distribution networks across North America and global markets. It efficiently steps down 13.2 kV or 12.47 kV primary voltage to low-voltage secondary systems, providing safe, stable, and continuous power for commercial, industrial, and utility applications.
Engineered in accordance with ANSI and IEEE standards, this pad-mounted transformer is built for long-term outdoor operation, high reliability, and low maintenance. Its compact, ground-mounted design makes it ideal for underground and surface-mounted distribution systems where safety, accessibility, and aesthetics are critical.
Manufactured by PowerNex – Utility Transformer Factory Direct Supply
This 500 kVA pad mounted transformer is manufactured by PowerNex, a China-based leading manufacturer, supplier, factory, and wholesale exporter of distribution transformers. PowerNex specializes in ANSI utility-grade pad mounted transformers for North American and international power grids.
Our products are widely supplied to United States, Canada, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, UAE, Saudi Arabia, Russia, Germany, France, and other global markets, supporting utility companies, EPC contractors, and power distributors worldwide.
🔧 Technical Specifications – 500 kVA Pad Mounted Distribution Transformer
| Item | Specification |
| Rated Capacity | 500 kVA |
| Transformer Type | Pad Mounted Distribution Transformer |
| Phase | Three Phase |
| Primary Voltage | 13.2 kV / 12.47 kV |
| Secondary Voltage | 480Y/277 V or 208Y/120 V (Optional) |
| Frequency | 60 Hz (50 Hz optional) |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Class A (55°C) / Class B (65°C) |
| Temperature Rise | 55°C / 65°C |
| Winding Material | Copper (Standard) / Aluminum (Optional) |
| Connection Type | Delta–Wye / Wye–Wye (as specified) |
| Efficiency Standard | DOE / Utility efficiency compliant |
| Impedance | Customized per utility specification |
| Tank Construction | Welded steel, pad mounted enclosure |
| Enclosure Type | Tamper-resistant, outdoor pad mounted |
| Cooling Oil | Mineral insulating oil (IEC / ASTM) |
| Installation | Ground-mounted (Pad Mounted) |
| Altitude | ≤1000 m (higher altitude optional) |
| Ambient Temperature | Up to 40°C |
| Standards | ANSI, IEEE, IEC |
| Certifications | UL, cUL, CSA, CE (optional) |
Technical Overview – Utility-Grade Performance
Designed for demanding utility environments, the 500 kVA pad mounted transformer features:
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Three phase configuration for balanced load distribution
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Medium-voltage primary options: 13.2 kV / 12.47 kV
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Low-voltage secondary systems suitable for commercial and industrial supply
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Oil-immersed ONAN cooling for superior thermal performance
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Sealed tank construction for outdoor installation and long service life
This transformer delivers consistent electrical performance while meeting modern utility efficiency and safety requirements.
RELIABLE POWER FOR UNDERGROUND & PAD MOUNTED DISTRIBUTION SYSTEMS
Designed for underground and surface-mounted distribution networks, the 500 kVA pad mounted transformer provides safe and dependable voltage conversion for modern power systems. Its tamper-resistant enclosure and ground-level installation enhance operational safety while simplifying maintenance access.
Ideal for commercial buildings, industrial parks, data centers, infrastructure projects, residential developments, and utility substations, this transformer ensures stable low-voltage power delivery from medium-voltage feeders.
⚡ Key Features & Benefits
ANSI Utility-Grade Design
Fully compliant with ANSI / IEEE standards, suitable for North American utility networks.
High Capacity & Load Stability
500 kVA rating supports large commercial and industrial loads with excellent voltage regulation.
Pad Mounted, Space-Efficient Installation
Ground-mounted design eliminates the need for pole structures and improves site aesthetics.
Oil-Immersed Cooling (ONAN)
Efficient heat dissipation ensures continuous operation and extended insulation life.
Low Maintenance & Long Service Life
Sealed oil system minimizes moisture ingress and reduces routine maintenance requirements.
🏭 Typical Applications
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Underground utility distribution networks
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Commercial and office complexes
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Industrial facilities and manufacturing plants
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Residential developments and communities
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Infrastructure and public utility projects
-
Renewable energy and grid interconnection systems
This 500 kVA three phase pad mounted distribution transformer is commonly used wherever medium-voltage feeders must reliably supply low-voltage loads.
🌍 North America & Global Market Supply
PowerNex supplies pad mounted distribution transformers for North America and worldwide markets, including:
United States, Canada, Mexico, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, UAE, Saudi Arabia, Russia, Germany, France, and other international regions.
As a factory-direct supplier, we support:
-
Utility and EPC projects
-
OEM & ODM transformer manufacturing
-
Wholesale and bulk supply
-
Long-term distributor partnerships
🛠 Customization & Engineering Support
PowerNex offers fully customized pad mounted transformers to meet specific project and utility requirements:
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Custom primary and secondary voltage combinations
-
Different kVA ratings (300 kVA – 3000 kVA)
-
Loop-feed or radial-feed designs
-
Dead-front or live-front configurations
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Special insulation, temperature rise, and efficiency requirements
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Climate-specific designs (coastal, tropical, high-altitude)
Our engineering team provides technical consultation, drawing approval, and application support throughout the project lifecycle.
📐 Drawings & Technical Documentation
We provide complete technical drawings and documentation, including:
-
Outline and dimension drawings
-
General arrangement (GA) drawings
-
Nameplate and rating diagrams
-
Electrical connection diagrams
Drawings are available in PDF / DWG formats for utility approval, tender submission, and installation planning.
🏭 Typical Applications
-
Underground utility distribution networks
-
Commercial and office complexes
-
Industrial facilities and manufacturing plants
-
Residential developments and communities
-
Infrastructure and public utility projects
-
Renewable energy and grid interconnection systems
This 500 kVA three phase pad mounted distribution transformer is commonly used wherever medium-voltage feeders must reliably supply low-voltage loads.
🌍 North America & Global Market Supply
PowerNex supplies pad mounted distribution transformers for North America and worldwide markets, including:
United States, Canada, Mexico, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, UAE, Saudi Arabia, Russia, Germany, France, and other international regions.
As a factory-direct supplier, we support:
-
Utility and EPC projects
-
OEM & ODM transformer manufacturing
-
Wholesale and bulk supply
-
Long-term distributor partnerships
🛠 Customization & Engineering Support
PowerNex offers fully customized pad mounted transformers to meet specific project and utility requirements:
-
Custom primary and secondary voltage combinations
-
Different kVA ratings (300 kVA – 3000 kVA)
-
Loop-feed or radial-feed designs
-
Dead-front or live-front configurations
-
Special insulation, temperature rise, and efficiency requirements
-
Climate-specific designs (coastal, tropical, high-altitude)
Our engineering team provides technical consultation, drawing approval, and application support throughout the project lifecycle.
📐 Drawings & Technical Documentation
We provide complete technical drawings and documentation, including:
-
Outline and dimension drawings
-
General arrangement (GA) drawings
-
Nameplate and rating diagrams
-
Electrical connection diagrams
Drawings are available in PDF / DWG formats for utility approval, tender submission, and installation planning.
📜 Standards & Compliance
PowerNex pad mounted transformers can be designed and tested to comply with:
-
ANSI / IEEE
-
IEEE C57
-
IEC 60076
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DOE efficiency requirements
Compliance scope is customized according to project location and customer specifications.
📦 Manufacturing, Testing & Quality Control
All PowerNex transformers are manufactured under strict quality management systems:
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Precision core cutting and stacking
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Vacuum oil filling and sealing
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Routine and type testing
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Electrical, insulation, and functional verification
Each transformer is thoroughly inspected before shipment to ensure consistent quality and performance.
🚚 Packaging, Logistics & Global Delivery
PowerNex provides export-ready logistics solutions:
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Shock-resistant packaging
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Moisture and corrosion protection
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Sea freight and multimodal transport
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Complete export documentation
With extensive experience shipping to North America, South America, Australia, Europe, the Middle East, and Southeast Asia.
📞 Contact PowerNex for Technical Details & Quotation
If you are sourcing a 500 kVA three phase pad mounted distribution transformer, or require a customized medium-voltage to low-voltage solution for utility or commercial projects, PowerNex is ready to support your requirements.
Contact us today to receive:
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Technical datasheets
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Engineering consultation
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Competitive factory pricing
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Delivery schedules
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