Wholesale European Power Transformer
Subian Electric manufactures power and distribution transformers in Xuzhou, Jiangsu, China, engineered for European network practice. That means IEC 60076 design, European voltage systems such as 20/0.4kV and 10/0.4kV, 50Hz frequency, and loss levels that satisfy EU ecodesign limits for distribution transformers.
With a 50,000-square-metre factory, 350+ employees and export to more than 50 countries since 2019, we support European utilities, EPC firms and distributors with factory-direct pricing, complete documentation and EU-compatible test reports.
Tell us the primary and secondary voltage, the rating and whether the project is a utility tender or a private network, and we will confirm the design, losses and quotation.
Since 2019 · 50,000m² · 350+ Staff
Transformers for European Markets
Oil-immersed and dry-type distribution and power transformers for European voltage systems, with EU ecodesign loss levels, custom ratios and full project documentation.
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10kV Dry-Type Transformer-SCBH series Amorphous Alloy
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20-35KV Dry-Type Transformer
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20-35KV SCB Series Epoxy Resin Dry-Type Transformer
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20KV Oil-immersed Distribution Transformer
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35KV Oil-immersed Power Transformer
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6-10KV Oil-Immersed Power Distribution Transformer
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Current Transformer –10KV Indoor High Voltage
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Current Transformer–LMZK Wound Current Transformer300/5a
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Current Transformer–LSY-10 transformer Integrated CT
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current transformer–LXK high voltage zero sequence
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dry type distribution transformer-6-10 KV SCB series epoxy resin cast
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Electrical Transformers–JDZ – 10 Power Voltage
What Is a European Power Transformer?
A European power transformer is not a different machine – it is a transformer engineered to the standards, voltage systems and efficiency requirements of European networks. In practice this means IEC 60076 design, a primary matched to the local system (20kV, 10kV, 33kV or higher), a 400V or 11kV secondary, 50Hz, and no-load and load-loss values that meet the EU ecodesign regulation limits for the applicable rating.
For buyers, the practical difference shows in documentation and testing: European projects expect type-test reports, loss certificates and CE-consistent conformity evidence. Working with a factory that routinely exports to Europe removes the back-and-forth on documentation and standards interpretation.
- European voltage systems – 20/0.4kV, 10/0.4kV, 33/11kV and higher.
- EU ecodesign loss levels – designed to meet the applicable loss limits.
- IEC 60076 design – with EN-compatible test documentation.
- Oil & dry type – both technologies from one factory.
- 50 Hz standard – 60Hz available for non-European feeders.
- Export experience – EU project documentation as standard.
What We Supply for European Networks
The right technology depends on the installation and the network operator’s practice:
Oil-immersed distribution type
the workhorse of European distribution, from pole-mounted units to substation transformers.
Dry-type (cast resin)
for indoor and high-rise installations where fire safety dictates oil-free designs.
Power transformers
larger units for sub-transmission and industrial sites, engineered to project specifications.
European Power Transformer Technical Data (Typical)
| Parameter | Specification |
|---|---|
| Voltage systems | 20/0.4kV · 10/0.4kV · 33/11kV and custom |
| Capacity range | distribution to power ratings per project |
| Frequency | 50 Hz |
| Loss specification | EU ecodesign / project loss capitalisation |
| Vector group | Dyn11 / Dyn5 / Ynd11 per system |
| Cooling | ONAN (oil) / air (dry) |
| Standard | IEC 60076 / EN 50464 |
| Testing | routine tests per unit; type tests per design |
EU Ecodesign Loss Levels – What Buyers Should Know
Since 2015, distribution transformers placed on the EU market must meet efficiency limits set by the Ecodesign Regulation (EU) No 548/2014, with stricter Tier 2 limits applying from July 2021. The limits are expressed as maximum no-load and load losses for each rating, so the guarantee of compliance lives in the measured loss values.
When comparing quotations, ask for the guaranteed no-load and load losses for your rating and check them against the applicable limit. Two factories quoting the same price can differ by a meaningful amount of yearly loss; for a fleet order the difference is significant.
We confirm the loss figures on the technical sheet and measure them again in the routine test report, so the ecodesign class is evidenced rather than assumed.
Typical European Installation Types
On a 20kV network, distribution transformers are commonly installed in compact substations feeding 400V consumers, or pole-mounted in rural areas at smaller ratings. On 10kV systems the pattern is similar with different ratings. Industrial sites with a private HV intake use power transformers stepped to their internal voltage.
The installation type decides the enclosure, protection and vector group. Our engineers confirm these details from the network operator’s specification before the design is finalised.
Engineering and Manufacturing for Export
European orders follow the same controlled production path – core, winding, drying, assembly and testing – with documentation prepared for the destination market from day one.
Winding & Core
Coils are wound for the exact ratio, impedance and loss target of the order.
Drying & Processing
Vacuum drying and oil filling protect the insulation system for decades of service.
Testing & Verification
Loss values, ratio and dielectric tests are measured and issued in the test report.
Export Documentation
Packing, marks and shipping documents are prepared for the European destination.
European Power Transformer Quotation
Send the voltage system, rating, loss specification and any tender requirements, and our engineers will confirm the design on drawings and issue a factory quotation with the documentation list for your project.
OEM / ODM & Distributor Supply
European distributors and panel builders take transformers under their own brand with market-specific labels and documentation.
OEM / ODM
Custom ratios, tappings and branding for distributor ranges.
Factory direct · Test docs · Export support
Wholesale Supply
Volume Pricing
Container and programme pricing for European importers.
Factory direct · Test docs · Export support
Distributor Support
Channel Partners
Localised documentation and technical support for partners.
Factory direct · Test docs · Export support
Buying Direct vs Through a European Distributor
European buyers typically source through local distributors, who carry stock, handle warranty locally and speak the market’s language. Buying factory-direct suits project and volume buyers who need custom designs, lower unit cost or documentation tailored to a specific tender.
The two are not exclusive: many distributors place private-label orders with the factory and add local stock and service. Our OEM programme is built for exactly that relationship, with the factory holding the manufacturing quality and the distributor holding the local relationship.
Choosing a Transformer Supplier for a European Project
The decisive documents are the type-test report against IEC 60076, the loss certificate confirming the ecodesign class, and the routine test report of the delivered unit. Check also that the supplier routinely handles the specific documentation your country requires.
Subian manufactures transformers under ISO9001, ISO14001, ISO45001, CE and UL certified systems, with a 110 kV type-test report in the documentation set. Our export team prepares project files for European utilities, EPC firms and distributors.
Finally, compare how the supplier handles specifications and drawings before production – a factory that confirms the design on drawings and agrees the loss values in writing reduces risk at acceptance.
Certifications & Quality Assurance
Our transformer production runs under ISO9001, ISO14001 and ISO45001 systems with CE and UL certification and type-test evidence to 110 kV class.
Product Certifications
10 kV Dry-Type Transformer Certificate
35 kV Transformer CB Certificate
35 kV Transformer CE Verification
Transformer CE Certificate
Dry-Type Transformer Test Verification
ISO 14001 Environmental Management
ISO 45001 Health & Safety
ISO 9001 Quality Management
110 kV Transformer Type Test Report
UL Certificate of Compliance
European Power Transformer Manufacturer & Supplier FAQ
Questions about sourcing transformers engineered for European networks and standards.
What kind of power transformer do I need for a European project?
Who are the major transformer manufacturers in Europe?
How do I convert European power to US power?
Can I use European voltage equipment in the USA?
Why are distribution transformers in Europe usually 20kV or 10kV primary?
Contact Subian
Need the Right Specification?
Tell us your target market, product type, quantity and technical requirements. Our team will help you identify a suitable configuration for your project.