750 kVA 13.2kV to 480Y/277V 3 Phase Pad Mounted Transformer – Oil-Filled ANSI Standard by Energy Transformer – Factory Direct Supplier for USA, Canada, Mexico, Brazil, Argentina, and more.

750 kVA 13.2kV–480Y/277V 3 Phase Pad Mounted Transformer – Oil-Filled | ANSI Standard

Power Rating: 750 kVA (Customizable from 50 kVA to 2,500 kVA)
Primary Voltage: 13.2 kV Wye (Available range: 4.16 kV – 15 kV, Delta or Wye)
Secondary Voltage: 480Y/277 V (Other options include: 208Y/120 V, 240 V, 400/414 V, 600 V)
Connection Options: Delta – Grounded Wye (standard), Wye – Wye, Delta – Delta, Wye – Delta
Phase: Three-phase, 60 Hz
Cooling Type: ONAN (Oil Natural Air Natural)
Standards Compliance: ANSI C57.12, IEEE, CSA C2.1, DOE 2016
Certifications: UL, cUL, CSA, CE, SGS
Enclosure: Tamper-proof, pad-mounted, outdoor-rated, and corrosion-resistant
Applications: Commercial, industrial, utility distribution, renewable energy (wind/solar), data centers, campus power systems

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750 kVA Oil-Filled 3 Phase Pad Mounted Transformer Features

This 750 kVA 3 phase oil-filled pad mounted transformer is engineered with a 13.2 kV Wye-connected primary and a 480Y/277 V grounded Wye secondary, making it an ideal solution for utility, commercial, and industrial power distribution applications. Built with high-quality silicon steel cores and advanced mineral oil insulation, it delivers low losses, excellent thermal stability, and maintains a temperature rise limit of 65°C to ensure dependable long-term operation.

Housed within a durable, tamper-proof NEMA Type 3R enclosure, this transformer is suitable for both indoor and outdoor installations, offering superior protection against weather and environmental challenges. It fully complies with ANSI, IEEE, UL, CSA, and DOE standards, guaranteeing safe, efficient voltage step-down performance across North and South American electrical grids.

Learn More：1000 kVA Three Phase Oil Filled Pad Mounted Distribution Transformer, 13.8 kV to 480Y/277 V

750 kVA Oil-Filled 3 Phase Pad Mounted Transformer Technical Specs

Parameter	Specification	Parameter	Specification
Rated Power	750 kVA (Customizable range from 50 kVA to 10000 kVA)	Frequency	60 Hz
Phase	Three Phase	Cooling Method	ONAN (Oil Natural Air Natural)
Primary Voltage	13.2 kV Wye (Configurable from 4.16 kV to 15 kV, Delta or Wye connection)	Secondary Voltage	480Y/277 V (Alternatives: 208Y/120 V, 240 V, 400/414 V, 600Y/347 V)
Tap Changer	±2 × 2.5% standard (On-load or Off-load tap changer options available)	Temperature Rise	65°C standard (Optional: 55°C, 75°C)
Sound Level	≤ 60 dB measured at 1 meter	Altitude	Suitable up to 1000 m (Derating needed above this altitude)
Enclosure Type	Pad-mounted, tamper-resistant, dead-front or live-front designs	Enclosure Material	Heavy-duty steel with powder coating; stainless steel optional
Dielectric Fluid	Environmentally friendly mineral oil, fire-resistant and biodegradable	Ingress Protection	NEMA 3R equivalent / ANSI C57.12.34 compliant
Standards Compliance	ANSI C57.12.00, ANSI C57.12.34, IEEE, CSA, DOE 2016	Efficiency	Complies with DOE 2016 and CSA C802.1 energy efficiency standards
Impedance	Approximately 5.75% (±7.5%)	Winding Material	Copper standard; aluminum available as option
Weight (approximate)	Around 2,700 kg (depending on configuration)	Dimensions (L×W×H)	Roughly 1700 × 1300 × 1450 mm (customizable upon request)
Operating Temperature	-40°C to +50°C	Optional Accessories	Bayonet fuses, pressure relief valve (PRV), drain valve, thermometer, oil level gauge, lifting lugs
Typical Power Range	50 kVA to 2500 kVA (customizable)	Primary Voltage Options	4.16 kV, 7.2 kV, 12.47 kV, 13.2 kV, 13.8 kV, 15 kV
Secondary Voltage Options	208Y/120 V, 240Y/120 V, 480Y/277 V, 600Y/347 V	Tap Changer Range	±2 × 2.5%, ±4 × 2.5% (Both On-load and Off-load options available)
Sound Level Range	55 dB to 65 dB depending on model design	Cooling Methods	ONAN (standard), ONAF (optional)
Enclosure Variants	NEMA 3R, NEMA 3S, Stainless Steel	Winding Options	Copper default, aluminum optional
Weight Range	From 2,000 kg to 3,000 kg	Operating Altitude	Up to 1000 m standard; higher altitude versions available upon request
Certifications	UL Listed, cUL, CSA, CE, SGS	Standards	ANSI, IEEE, CSA, DOE, IEC

Dependable Power. Durable Construction. Certified Quality

750 kVA three-phase pad-mounted transformer, 13.2 kV Wye to 480Y/277 V. Designed for reliable outdoor operation, manufactured to meet ANSI and IEEE standards, and fully certified for utility, industrial, and commercial power distribution across North and South America.

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Factory-Built 750 kVA 3 Phase Pad Mounted Transformer – 13.2kV to 480Y/277V Oil-Filled | OEM/ODM Manufacturer and Supplier in USA, Canada, Mexico, Brazil, Argentina, Peru – Energy Transformer

Factory Assembled 750 kVA 3 Phase Pad Mounted Transformer – ANSI Standard, Oil-Filled | Supplier for USA, Canada, Mexico, Brazil, Argentina, Peru, Panama, Spain – Energy Transformer

750 kVA 3 Phase Oil-Filled Pad Mounted Transformer for Substations – 13.2kV to 480Y/277V | Energy Transformer – Factory Supplier USA, Canada, Brazil, Mexico, Argentina

🔧 Technical Excellence: 750 kVA Transformer Specifications

Built with ONAN (Oil Natural Air Natural) cooling, high-grade silicon steel cores, and precision-engineered windings, this unit minimizes no-load and load losses. It supports ±2 × 2.5% tap changing, and is available with both copper or aluminum windings based on cost or performance needs.

🔋 750 kVA Transformer Amps & Current Capacity

At 480Y/277 V, the secondary full-load amperage of a 750 kVA transformer is approximately 902 amps per phase. This makes it ideal for:

Large-scale HVAC systems
Commercial lighting grids
Data centers and server farms
Industrial automation lines
Multi-tenant buildings

This current rating also aligns with UL and NEMA safety margins, ensuring operational integrity.

📏 750 kVA Transformer Dimensions & Cabinet

The typical dimensions of a 750 kVA pad mounted transformer are approximately:

Length: 1700 mm
Width: 1300 mm
Height: 1450 mm

Its pad-mounted, tamper-resistant cabinet supports NEMA 3R outdoor installations and complies with ANSI C57.12.34. Cabinets are finished in UV-resistant coatings (green, gray, or custom) and available in both dead-front or live-front configurations. Loop feed and radial feed options are supported for underground or overhead networks.

⚖️ 750 kVA Transformer Weight & Oil Capacity

Depending on configuration, the weight of a 750 kVA transformer ranges between 2200 kg and 2800 kg. The transformer oil capacity typically falls between 350 and 450 liters, providing thermal stability and arc suppression during operation. Heavier models generally indicate higher overload capacity and improved short-circuit resilience.

💵 750 kVA Pad Mounted Transformer Price

The 750 kVA pad mounted transformer price depends on several factors:

Core and winding material (copper vs. aluminum)
Tap changer type (on-load vs. off-load)
Certification requirements (UL, CSA, CE, RETIE)
Enclosure thickness and paint finish
Shipping destination (U.S., Canada, Latin America)

Typical FOB factory prices range from $6,500 to $9,800 USD. Request a quote for exact pricing, including freight and documentation.

🛒 750 kVA Pad Mounted Transformer for Sale – In Stock & Ready to Ship

Energy Transformer offers 750 kVA pad mount transformers for sale with short lead times and custom branding (OEM/ODM). All units are factory-tested, oil-filled, sealed, and compliant with UL, CSA, and IEEE standards. We ship regularly to:

🇺🇸 USA: Texas, California, Florida
🇨🇦 Canada: Ontario, Alberta
🇲🇽 Mexico: Monterrey, Guadalajara
🇧🇷 Brazil: São Paulo, Curitiba
🇵🇪 Peru, 🇦🇷 Argentina, 🇨🇴 Colombia, 🇵🇦 Panama, 🇪🇸 Spain

🏭 750 kVA Transformer Manufacturers You Can Trust

As one of the leading 750 kVA transformer manufacturers, Energy Transformer combines:

ISO-certified production facilities
DOE/CSA/UL-compliant engineering
Full electrical testing (impedance, no-load loss, ratio, dielectric)
Custom designs and private labeling
Low MOQ and competitive wholesale supply

We're your long-term supply partner for pad-mounted distribution transformers across the Americas.

🧰 Applications of the 750 kVA 3 Phase Pad Mounted Transformer

This transformer supports a wide range of power applications:

Grid-connected distribution substations
Shopping malls and corporate campuses
Renewable energy (solar PV, wind power)
Mining, cement, and chemical industries
Infrastructure projects and smart grids
Large-scale EV charging stations

Its compact footprint, low maintenance design, and high current capacity make it ideal for expanding medium-voltage networks across developed and emerging markets alike.

Warehouse Stock & Fast Shipping for 750 kVA 3 Phase Pad Mounted Transformers

750 kVA 13.2kV to 480Y/277V 3 Phase Pad-Mounted Transformer – Energy Transformer | Oil-Filled ANSI Unit for North & South America – USA, Canada, Brazil, Mexico, Argentina, Peru

Custom 750 kVA 3 Phase Pad Mounted Transformer – 13.2kV to 480Y/277V Oil-Filled Unit | Factory Supplier in USA, Canada, Mexico, Brazil, Argentina and More – Energy Transformer

Bulk Orders & Wholesale Supply

Looking to purchase in volume? We offer:

Bulk supply for government tenders and EPC contracts
Customized ratings from 300 kVA to 10000 kVA
Consolidated shipments and export documentation
Container optimization for port-to-door delivery

We also manufacture related models such as:

500 kVA Pad Mount Transformers (12.47kV to 480Y/277V)
1000 kVA Pad Mounted Transformers (13.8kV to 208Y/120V)
1500 kVA and 2500 kVA High Capacity Models

Request a Quote for Your 750 kVA Transformer Project

Get in touch with Energy Transformer today to request a detailed quotation, datasheet, or compliance documentation. Our team of engineers and logistics experts will assist you from design to delivery.