What information is needed for customization?

Technical drawings are best, or you can provide power capacity, voltage, installation size limitations, and insulation class.

How do you ensure quality control?

We implement 100% QC inspection with 8 QC checkpoints during the manufacturing process from raw materials to final products.

Is sample order acceptable?

Yes, sample orders are acceptable, and you can contact us for catalogs and price lists.

Three Phase Fully Sealed Distribution Oil Immersed Transformer for Power Plant to Step Down with Fire Resistant & Excitation

Name: Three Phase Fully Sealed Distribution Oil Immersed Transformer for Power Plant to Step Down with Fire Resistant & Excitation
Brand: Changsha Lushan Electronic Technology Co., Ltd.
SKU: 2191517085

Hunan, ChinaChangsha Lushan Electronic Technology Co., Ltd.

US$3,042.00

1 Piece

Product profile

Customization

Available

Application

Power, Oil-Immersed

Phase

Three

Model NO.

S11-440kVA 20kV-420V

Core

Shell-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Lushan China

Type

Oil-Immersed Transformer

Capacity

440kVA

Secondary Voltage

20kv

Primary Voltage

420V

Insulation Class

H/F

Winding Materials

Copper/Aluminum

Vector Group

Yd11 Dy11 Yy6 Yd5 Dy1

Optional Accessories

Temperature Controller

Transport Package

Wooden Case

Trademark

Lushan

Origin

Changsha China

HS Code

8504339000

Production Capacity

50000pieces/Year

Key features

50-Year Manufacturer Expertise: Established in 1975, specializing in power transformers and reactors with extensive industry experience.

Long Service Life: High-quality iron cores and windings ensure decades of stable operation with regular maintenance.

Large Capacity Transmission: Capable of handling thousands of kVA to meet peak electricity demands in large power grid hubs.

Strict Quality Control: 100% QC inspection implemented throughout the manufacturing process from raw materials to final products.

Global Certifications: Products certified by CE, TUV, and ISO9001, trusted by Fortune 500 companies like CRCC and CRRC.

Flexible Customization: Customizable voltage, frequency, and specifications to meet specific regional and project requirements.

Fast Response Time: Quotations provided within 24 hours after receiving customer inquiries.

Comprehensive Product Range: Offers dry-type, oil-immersed, high/low voltage transformers, and various reactors for diverse applications.

Company profile

Cooperated with Fortune 500Years of Export ExperienceImporters and ExportersPatents Awarded

Changsha Lushan Electronic Technology Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Shanghai portAverage Response Time: ≤0.85h

AI-Powered supplier vetting

SummaryThe supplier manufactures power electronic components, photovoltaic equipment and components, and electrical complete sets. It reports ISO 9001:2015 certification, more than 40 years of technical experience in transformers and reactors, 3D design, OEM/ODM, and broad customization capabilities. Evidence also indicates documented product inspection instructions, available inventory, and technical support covering customer requirements, production, and after-sales service. However, the supplier reported no new products in the past year, no SDK, no overseas warehouse or showroom, and no valid manufacturing-capacity contract with related subcontractors. Financial credibility cannot be assessed from the provided information because no financial performance data is available.

Supplier typeThe supplier’s stated business scope covers manufacturing of power electronic components, photovoltaic equipment and components, and electrical complete sets, alongside sales of electrical complete sets. This supports classification as a manufacturer and supplier of industrial electrical and power-related products.

CertificationsThe supplier explicitly holds an ISO 9001:2015 management-system certificate. This is direct evidence of a recognized quality-management certification, although no additional certifications are stated.

After-Sales capabilityThe company states that it provides technical services and pre-sales, in-sales, and after-sales support, while its technology engineers provide technical support for production and after-sales service. Inventory capability is available, but the supplier has no overseas warehouse, so overseas service infrastructure is limited.

R&D capabilityThe supplier reports more than 40 years of technical experience, studies and applies new technologies, materials, and processes, provides 3D design services, and maintains design-input, output, review, verification, and validation documentation. However, it also reports only 3 R&D engineers and no new products launched in the past year, so the evidence demonstrates established technical capability but not recent product-output strength.

Production capacityThe supplier operates in relevant manufacturing fields, has standardized and uniformly followed finished-product inspection instructions, maintains inventory capability, and reports lead times of within 15 working days in the off-season and one month during peak season. Nevertheless, it has no valid manufacturing-capacity contract with related subcontractors, which limits evidence regarding outsourced production continuity.

Customization capabilityThe supplier explicitly offers 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as OEM and ODM services. These statements provide direct evidence of broad product-design and customization capability, although no SDK is available.

Client casesThe supplier reports collaboration with Fortune 500 companies, a repeat-buyer preference of 50%–80%, and 20 years of export experience, with exports representing 31%–40% of total sales. These are direct indicators of established customer and international-market experience, although no specific customer names or project details are provided.