Hunan Hentg Power Electric Technology Co., Ltd.
| Payment Terms | L/C,D/P,T/T |
| Supply Ability | 20,000 units per year |
| Delivery Time | 25 days |
| Packaging Details | Wooden case packing |
| Rated Capacity | 250kVA |
| High Voltage | 11kV |
| Frequency | 50Hz / 60Hz |
| Phase | Three Phase |
| Cooling Method | ONAN |
| Transformer Oil | Mineral Oil |
| Vector Group | Dyn11 |
| Tapping Range | ±2×2.5% |
| Winding Material | Copper or Aluminum |
| Installation | Outdoor / Indoor |
| Brand Name | HENTG POWER |
| Model Number | S11-250 |
| Certification | IEC 60076/ISO 9001 |
| Place of Origin | Jiangsu |
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Product Specification
| Payment Terms | L/C,D/P,T/T | Supply Ability | 20,000 units per year |
| Delivery Time | 25 days | Packaging Details | Wooden case packing |
| Rated Capacity | 250kVA | High Voltage | 11kV |
| Frequency | 50Hz / 60Hz | Phase | Three Phase |
| Cooling Method | ONAN | Transformer Oil | Mineral Oil |
| Vector Group | Dyn11 | Tapping Range | ±2×2.5% |
| Winding Material | Copper or Aluminum | Installation | Outdoor / Indoor |
| Brand Name | HENTG POWER | Model Number | S11-250 |
| Certification | IEC 60076/ISO 9001 | Place of Origin | Jiangsu |
| High Light | 250kVA oil immersed transformer ，11kV three phase transformer ，IEC standard transformer Southeast Asia | ||
The HENTG POWER 250kVA 11kV/0.4kV Three Phase Oil Immersed Transformer is designed for reliable power distribution in Southeast Asian utility networks, industrial plants, commercial buildings, infrastructure projects, and renewable energy applications. Manufactured according to IEC 60076 standards, this transformer delivers high efficiency, low losses, stable voltage regulation, and long service life under tropical climate conditions.
Built with premium-grade silicon steel cores and high-conductivity copper or aluminum windings, the transformer ensures excellent electrical performance while reducing operating costs. The sealed oil-filled design provides efficient cooling, enhanced insulation strength, and protection against moisture and environmental contamination.
Designed with low-loss CRGO silicon steel core to minimize no-load and load losses, reducing electricity consumption and lifecycle costs.
Provides stable voltage output even under fluctuating load conditions, helping protect sensitive equipment and improve power quality.
Suitable for high-temperature, high-humidity, and coastal environments commonly found in Southeast Asian countries.
High-quality insulation materials and transformer oil ensure dependable operation for over 25 years with proper maintenance.
Hermetically sealed tank design reduces oil oxidation and minimizes maintenance costs.
Mechanical structure is optimized to withstand network disturbances and fault conditions.
ONAN cooling system ensures efficient heat dissipation and stable operation.
A: Yes. We can customize voltage, frequency, vector group, impedance, tap changer range, cooling method, and accessories according to local utility standards and project specifications.
A: Yes. The transformer is manufactured and tested according to IEC 60076 standards and can provide routine test reports before shipment.
A: Yes. Both copper winding and aluminum winding options are available based on project requirements and budget considerations.
A: Yes. We have extensive experience supporting EPC contractors, utility companies, industrial projects, and government tenders with technical documentation and project-specific designs.
A: We can provide GA drawings, nameplate drawings, test reports, technical datasheets, operation manuals, packing lists, certificates, and inspection documents.
A: Normally 15–30 days depending on technical specifications, order quantity, and project requirements.
A: Yes. The transformer can be designed for high humidity, high temperature, coastal, and tropical environments commonly found in Indonesia, Philippines, Vietnam, Thailand, Malaysia, and Cambodia.
A: Distributors choose HENTG POWER because of competitive factory pricing, stable product quality, flexible customization, fast delivery, professional engineering support, and long-term partnership opportunities.
HENTG POWER is a professional transformer manufacturer with a production base covering over 100,000㎡ and more than 250 employees, including 30+ senior engineers.
We specialize in:
Our products are exported to Southeast Asia, Africa, the Middle East, South America, and other international markets, serving utility companies, EPC contractors, industrial users, and transformer distributors.
Our mission is to provide reliable, efficient, and customized power distribution solutions that help customers improve grid stability and reduce operating costs.
Get Your Free Quote Within 24 Hours!
Send us your technical requirements today and receive a customized transformer solution from our engineering team. We support OEM, ODM, distributor partnerships, EPC projects, and utility tenders worldwide.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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