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Three Phase Dry Type Transformer Manufacturers – SCB Series Supplier

Subian Electric manufactures three phase dry type transformers – SCB epoxy resin cast units from 30 kVA to 6300 kVA – at our 50,000-square-metre factory in Xuzhou, Jiangsu, China. Our 350+ employees have served 50+ countries since 2019.
As a factory-direct manufacturer and supplier, we provide three-phase dry-type transformers with factory pricing, custom configurations and complete test documentation.
Send your capacity, voltage and application. Our export team will respond with a quotation and technical proposal.

Subian Electric ISO9001 CE and UL product certification marks
Three phase dry type transformer production at Subian
Factory-Direct Manufacturer
Since 2019 · 50,000m² · 350+ Staff
50,000m²Base de fabricação
30-6300kVA Range
350+Funcionários
50+Countries Served
OEM/ODMSupport
WholesaleSupply

Three Phase Dry Type Transformers We Manufacture

SCB cast resin and SCBH amorphous three phase dry type transformers from 30 kVA to 6300 kVA, 6-35 kV class, fire-safe and low-maintenance for indoor distribution.

What Is a Three Phase Dry Type Transformer?

A three phase dry type transformer converts a three-phase medium voltage supply to a lower utilisation voltage using cast-resin or air insulation. It is the standard fire-safe solution for indoor three-phase distribution.

Commercial complexes, hospitals, industrial plants and infrastructure use three-phase dry-type transformers where reliability, fire safety and low maintenance are priorities.

  • SCB & SCBH series – cast resin and amorphous core three-phase options.
  • 6-35 kV class – medium voltage to LV utilisation conversion.
  • Fire-safe & clean – no oil – safe for indoor and occupied areas.
  • 50,000m² factory – in-house winding, casting, curing and testing.
  • 350+ employees – engineering, production and export teams.
  • OEM / ODM & wholesale – custom branding, packaging and volume supply.

Main Types of Three Phase Dry Type Transformers

Two series cover most three-phase dry-type projects:

SCB cast resin

Standard three-phase cast-resin units for indoor distribution.

SCBH amorphous

Amorphous core three-phase units with ultra-low no-load loss.

Three Phase Dry Type Transformer Specifications

Parâmetro Especificação
Tensão nominal 6 kV – 35 kV class
Capacidade nominal 30 kVA – 6300 kVA
Frequência 50/60 Hz
Isolamento F / H class
Grupo vetorial Dyn11 / Yyn0
Padrão IEC 60076-11 / GB/T 10228

Three Phase Dry Type Manufacturing at Our 50,000 m² Factory

Winding, vacuum casting, curing, assembly and testing are controlled in-house at our Xuzhou facility, with partial discharge tests on every unit.

Three Phase Dry Type Transformer Factory Price – Request a Quote

Send your specification, voltage level, capacity and quantity. Our export team will respond with factory pricing, lead time and drawings for approval.

OEM/ODM & Wholesale Three Phase Dry Type Transformer Supply

Distributors can brand or resell SCB units with custom nameplates, packaging and documentation.

OEM ODM manufacturing service

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 with factory pricing

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 with account management

Distributor Support

Channel Partners

Dedicated account management, technical documentation and priority production for distributors and project clients.


Account manager · Sales material · Priority lead times

Three Phase Dry Type vs Oil Immersed Transformers

Oil-immersed units are cheaper per kVA but need oil containment and fire protection. Dry-type units cost more upfront but eliminate those requirements and suit indoor, urban and safety-critical installations.

Our engineers confirm the right technology for your site before production.

Comparison and selection guide
Manufacturers and suppliers in China

Choosing a Three Phase Dry Type Transformer Manufacturer

Verify partial discharge performance, thermal design and type test evidence at your voltage class. Factory audit access separates real manufacturers from traders.

Subian Electric offers a 50,000m² factory, 350+ employees, ISO9001, CE and UL certification and export to 50+ countries with in-house vacuum casting.

Request a quotation with your voltage and capacity – we confirm the design and price before production.

Certifications & Quality Assurance

Our three-phase dry-type transformers are produced under ISO9001, ISO14001 and ISO45001 management systems, with CE and UL certification and type test reports.

Product Certifications

FAQs

Three Phase Dry Type Transformer FAQ

Common questions about three phase dry type transformers and factory sourcing.

O que é um transformador seco trifásico?
Ele converte uma fonte de média tensão trifásica em tensão de utilização usando isolamento em resina fundida ou ar, sem óleo.
What capacities do you manufacture?
Our SCB series covers 30 kVA to 6300 kVA in three-phase configurations.
Where are three phase dry type transformers installed?
Indoor substations, commercial buildings, industrial plants, hospitals and infrastructure – anywhere fire safety matters.
What tests are performed?
Routine tests include ratio, vector group, losses and insulation; type tests include partial discharge and temperature-rise.
Do you provide type test reports?
Yes – type test reports are available for project approval and market certification.
What are your delivery terms?
FOB / CIF / DDP terms are available, with lead times confirmed against your project schedule.

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.

Contact Form Demo
Your inquiry is sent directly to our export sales team.