Distribution Transformer Substation Manufacturers – Compact & Prefabricated
Subian Electric manufactures distribution transformer substations – transformer, HV switchgear and LV panel integrated in one tested unit – at our 50,000-square-metre factory in Xuzhou, Jiangsu, China. Our 350+ employees have served utilities and developers in 50+ countries since 2019.
As a factory-direct manufacturer and supplier, we provide compact and prefabricated substations with factory pricing, custom engineering and complete documentation.
Send your single-line diagram and capacity. Our export team will respond with a quotation and drawings.
Since 2019 · 50,000m² · 350+ Staff
Distribution Transformer Substations We Manufacture
YB series prefabricated substations and compact transformer substations from 50 kVA to 2500 kVA, 6-35 kV / 0.4 kV, factory-tested as complete units.
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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 Distribution Transformer Substation?
A distribution transformer substation packages the transformer, HV switchgear and LV panel of a distribution substation into one compact, factory-tested unit – reducing site work and project time dramatically compared with conventional construction.
These units serve urban distribution, commercial developments, industrial sites and rural electrification where fast installation and a small footprint are priorities.
- Integrated unit – transformer, HV switchgear and LV panel in one enclosure.
- Factory tested – the complete unit tested before delivery.
- 50 kVA – 2500 kVA – capacity range for distribution duty.
- 50,000m² factory – enclosure fabrication, assembly and testing in-house.
- 350+ employees – engineering, production and export teams.
- OEM / ODM & wholesale – custom branding, packaging and volume supply.
Main Types of Distribution Transformer Substations
We manufacture three configurations:
YB prefabricated type
Complete substation in a weatherproof enclosure for utility and commercial projects.
European-style compact
Compact unit with integrated switchgear, transformer and LV panel.
American-style pad-mounted
Pad-mounted tank design with separate switch and fuse compartments.
Distribution Transformer Substation Specifications
| Parameter | Specification |
|---|---|
| Rated voltage | 6 kV – 35 kV (HV) / 0.4 kV (LV) |
| Rated capacity | 50 kVA – 2500 kVA |
| Configuration | HV switchgear + transformer + LV panel |
| Enclosure | IP43 / IP54 |
| Frequency | 50/60 Hz |
| Standard | IEC 60076 / GB 17467 |
Substation Manufacturing: From Enclosure to Complete Unit
Enclosure fabrication, transformer assembly, switchgear integration and complete testing are controlled at our Xuzhou facility – so the unit you approve is the unit that ships.
Production Workshop
Controlled winding, core processing and vacuum drying with quality checkpoints between every stage, so quality is built in from the start.
Quality & Testing Center
Routine inspection on every unit before delivery, with type test reports supporting project approval and market certification.
Materials & Components
Core materials, windings and components are checked against the approved bill of materials on every production run.
OEM / ODM / Agency Supply
Custom branding, packaging and configurations for global partners – from nameplate to complete product design – supported by a dedicated export team.
OEM/ODM & Wholesale Substation Supply for Distributors
Distributors and project buyers can brand or resell substations with custom nameplates, packaging and documentation.
OEM / ODM
Factory-Direct
Custom branding, packaging and product variants built on our standard platforms – from a nameplate to full product design.
Custom nameplate · Custom packaging · Full test docs
Wholesale Supply
Volume Pricing
Factory pricing with flexible container quantities, mixed models per container and reliable global shipping for volume buyers and importers.
Container MOQ · Mixed models · Global shipping
Distributor Support
Channel Partners
Dedicated account management, technical documentation and priority production for distributors and project clients.
Account manager · Sales material · Priority lead times
Prefabricated Substation vs Conventional Construction
Conventional substations require months of civil work, equipment installation and on-site testing. A prefabricated substation arrives factory-tested and connects in days – cutting project time, cost and site risk.
For fast-track projects and remote sites, the prefabricated approach is increasingly the standard choice.
Choosing a Distribution Transformer Substation Manufacturer
Look for complete-unit testing capability and application experience. A manufacturer that builds transformer and switchgear in-house can guarantee package interfaces.
Subian Electric offers a 50,000m² factory, 350+ employees, ISO9001, CE and UL certification and export to 50+ countries.
Send your single-line diagram – we will respond with a quotation and drawings.
Certifications & Quality Assurance
Our transformer substations are produced under ISO9001, ISO14001 and ISO45001 management systems, with CE and UL certification and complete factory testing.
Product Certifications
Distribution Transformer Substation FAQ
Answers to the questions buyers ask most about distribution transformer substations.
What is a distribution transformer substation?
How long does installation take?
Can the substation be customised?
What testing is done before delivery?
What standards do you build to?
What is the typical lead time?
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.