750kVA Three-phase Industrial Transformer Case
Apr 30, 2026
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Need stable, high-capacity power for industrial equipment or energy systems?
GNEE Electric's 750 kVA three-phase transformer is built for heavy loads, long hours, and complex site demands-ideal for factories, data centers, and utility connections.
We offer step-up or dry-type models, support voltages like 480V/208V, 400V/11kV, and 600V/240V, with copper or aluminum windings, insulation up to Class H, and IP54 protection. Every unit is fully load-tested, UL/CE certified, and ready for integration.
📩 Send your specs-we'll size the unit, check impedance, and quote fast based on your delivery terms.
Proven Performance Across Global Applications
GNEE's 750 kVA transformers have already demonstrated exceptional reliability in a wide range of demanding projects, highlighting the product's adaptability to regional and industry-specific requirements:
Spain: Ground-Mounted PV Solar Power for Agri-Processing
In Valencia, a major agricultural processing facility needed a safe, efficient solution to integrate solar power output with its 20kV internal grid.
GNEE delivered a dry-type 750 kVA step-up transformer, raising inverter output from 400V to 20kV while eliminating fire risks associated with oil-filled units near flammable materials. The Class H, VPI-insulated unit, rated IP23, was engineered for high ambient temperatures, providing seamless integration with the facility's renewable energy system. "It was the only part of the PV system we didn't have to rework," the project lead confirmed.
For a commercial Battery Energy Storage System (BESS) project in New Mexico, GNEE supplied low-profile, copper-wound 750 kVA dry-type transformers to link 480V PCS outputs to the 12.47kV grid. Designed for installation in sealed containers, the units withstand frequent cycling and meet strict UL requirements.
Unlike standard off-the-shelf models, GNEE's engineering team tailored the solution to fit the modular skid design, earning praise from the integrator: "Other vendors offered standard models. You actually asked how we were installing it."
Canada: Low-Noise, High-Efficiency Power for Tier III Data Center
Near Toronto, a Tier III data center expansion required a quieter, cooler replacement for its aging transformer powering a new UPS-backed switchboard.
GNEE delivered a 600V-to-208V dry-type 750 kVA transformer, featuring sealed, dust-protected construction, low partial discharge, and optimized cooling paths. The unit's performance exceeded expectations, with the client noting: "This one runs cooler than anything else we've bought."
At a wind-to-hydrogen pilot project in Brittany, a 750 kVA isolation transformer was deployed to power compressors, cooling units, and PLC systems in a high-risk hydrogen environment.
GNEE's VPI-treated, oil-free dry-type unit with thermal sensors and full CE documentation ensured compliance with strict safety regulations, simplifying approval for the safety-first project team.
UK: Reliable Power for Hospital Diagnostic Expansion
A hospital in Leeds expanded its diagnostics wing, requiring a 750 kVA dry-type transformer to power imaging systems, labs, and cleanrooms beneath patient care zones.
GNEE's unit stepped down 11kV to 415V, offering low-noise, oil-free operation and full CE/UKCA compliance. The hospital's engineering team reported: "Your transformer was the only part of the job we didn't have to chase."
Data Sheet of GNEE Transformer
| Certification | UL |
| Phase | Three Phase |
| Rated capacity | UP TO 3000KVA Customized |
| Frequency | 50/60Hz |
| Work Efficiency | UP TO 99.05% |
| Protection Class | IP00/IP20/IP23/IP40/IP44/IP54 |
| Winding Material | Copper or Aluminum |
| Insulation level | Class F (155°C) Class H (180°C) Class N (200°C) Class R (220°C) |
| Designed lifetime | ≥30 years |
| Cooling Method | Air Cooling/oil colling |
| Wiring Configuration | Δ-Y (Delta-Star)/Y-Y (Star-Star)/Δ-Δ (Delta-Delta)/Y-Δ (Star-Delta) /Δ-Z (Delta-Zigzag)/ Y-Z (Star-Zigzag) |
| Noise | ≤35 dB (1 meter) |
GNEE's Commitment to Customization & Support
Beyond product performance, GNEE Electric differentiates itself through end-to-end customer support, ensuring seamless integration and project success. From initial specification reviews to final delivery, the team works closely with clients to size units, verify impedance, and provide tailored solutions based on unique site requirements.
Key support offerings include:
- Fast, transparent quotes tailored to regional pricing and delivery terms
- Full factory documentation, including dimensions, weight, impedance, and current ratings
- Same-day access to technical drawings and specifications for installation planning
- Comprehensive export documentation for global shipments
- Ongoing technical support to address operational and compliance needs
"Our 750 kVA transformer series is built on the principle that every project has unique requirements," said a spokesperson for GNEE Electric.
"Whether it's a solar farm in Spain, a data center in Canada, or a hydrogen facility in France, we don't just deliver transformers-we deliver power solutions designed to fit your exact needs, backed by the reliability and support that keeps your project moving forward."
About GNEE Electric
GNEE Electric is a global manufacturer and supplier of high-quality power distribution equipment, specializing in transformers, switchgear, and renewable energy solutions. With a focus on innovation, quality, and customer service, the company serves industrial, commercial, and utility clients across more than 50 countries, delivering products that meet the highest international standards for safety, efficiency, and reliability.
FAQ
What is a 750 kVA transformer used for, and who typically buys them?
A 750 kVA transformer is designed for medium to large industrial loads, commercial buildings, BESS systems, and public infrastructure. It's especially common in power distribution where three-phase voltage stability is key.
Most buyers are EPC contractors, plant operators, or electrical engineers looking for 750 kVA transformer manufacturers who can offer dry type, pad-mounted, or custom units based on voltage, impedance, and certification requirements.
What are the typical specifications and dimensions of a 750 kVA transformer?
Standard 750 kVA transformer specifications include:
- Three phase
- 50/60 Hz frequency
- Voltage options like 600V, 480V, 400V, or 208V
- Efficiency in line with DOE or IEC requirements
As for size, a 750 kVA dry type transformer may measure roughly 1400 x 1000 x 1500 mm, and a 750 kVA pad mount transformer could be larger due to enclosure. Specific 750 kVA transformer dimensions vary based on cooling, insulation, and configuration.
How much does a 750 kVA transformer weigh, and what materials are used?
A 750 kVA transformer weight depends on whether it's dry-type or pad-mounted and the winding material. Copper-wound units are heavier. Average weights range between .
If you're working with site constraints, it's essential to confirm the pad mounted transformer dimensions and lifting requirements ahead of time.
What's the current rating and amp output of a 750 kVA transformer?
The 750 kVA transformer amps depend on the secondary voltage. For example:
- At 480V: ~902 A
- At 208V: ~2080 A
- Use the formula:
- Amps = (kVA × 1000) / (Voltage × √3)
This is also referred to as the 750 kVA transformer current rating or 750 kVA transformer secondary amps. Always verify the terminal size and cable spec when sizing for your load.
How much does a 750 kVA transformer cost? Is there a price difference by model or region?
The cost of a 750 kVA transformer varies based on design, materials, enclosure, and compliance.
- A dry type transformer tends to cost more than oil-filled but is safer for indoor use.
- A typical 750 kVA transformer price ranges from (Contact Us)
- For outdoor use, 750 kVA pad mounted transformer price may go higher
In Spanish-speaking markets, you'll often see transformador 750 kVA, transformador de 750 kVA, or transformador 750 kVA precio used-prices vary by country
We also receive inquiries for transformador pad mounted 750 kVA for Latin American and African projects
To get a precise transformer 750 kVA price, send your voltage, application type, and delivery terms (FOB/CIF/DDP).
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