Does this transformer require regular maintenance?

No, it features a fully sealed maintenance-free design that isolates transformer oil from external air to prevent aging and moisture ingress.

What certifications does the product hold?

The transformer holds ISO9001-2000, ISO9001, and CCC certifications.

Factory Direct Supply 25kVA Single Phase Oil Immersed Pole Mounted Transformer

Name: Factory Direct Supply 25kVA Single Phase Oil Immersed Pole Mounted Transformer
Brand: Wenzhou Longqi Import and Export Co., Ltd.
SKU: 2142732142

Zhejiang, ChinaWenzhou Longqi Import and Export Co., Ltd.

US$2,000.00-3,000.00

1 Piece

Sample price:US$5000.00/piece.Request sample

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

25kVA Single Phase Oil Immersed Pole Mounted Trans

Core

Silicon Steel (Cold-Rolled Grain-Oriented)

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Loncyele

Voltage Regulation

on-Load Tap-Changing

Design

Compact Structure, Small Footprint

Efficiency

Low Loss, High Efficiency, Energy Saving

Transport Package

Standard Export Wooden Case

Specification

200kVA ~ 2500kVA, 11kV

Trademark

OEM

Origin

China

HS Code

850433

Production Capacity

100 Pieces/Week

Key features

Maintenance-Free Design: Fully sealed corrugated oil tank prevents oil aging and moisture ingress for zero maintenance.

High Energy Efficiency: Cold-rolled silicon steel cores and oxygen-free copper windings reduce no-load and load losses.

Easy Pole Installation: Built-in mounting brackets allow direct installation on utility poles without civil engineering foundations.

Comprehensive Safety Protection: Includes pressure relief valve and high-sensitivity gas relay for multi-layer equipment protection.

3-Year Warranty & Support: Provides a 3-year warranty period and lifetime technical support for all units.

Customizable Voltage: Rated voltage ratio of 10kV/0.22kV is customizable to meet specific regional standards.

Certified Quality Assurance: Manufactured per GB1094 and IEC60076 standards with rigorous factory testing including short-circuit tests.

Company profile

Fast DeliveryCustomization from SamplesFull CustomizationQuality Assurance

Wenzhou Longqi Import and Export Co., Ltd.

Zhejiang, China

Business Type: Trading CompanyExport Year: 2025-05-01Nearest Port: Wenzhou Port, Ruian Port, Yueqing Bay Port AreaAverage Response Time: ≤6.46hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, Others, FCA, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT

AI-Powered supplier vetting

SummaryThe supplier is a limited company with affiliated companies and offers high- and low-voltage electrical equipment, including switchgear, transformers, circuit breakers, and related accessories. It reports OEM service for well-known brands and broad customization options, supported by assembly, copper-strip processing, and robotic welding facilities. Finished-product inspections reportedly follow written instructions uniformly. However, its service-management controls are weak: no written procedures or records were reported for service capability assessment, corrective and preventive actions, or complaint handling. Overseas service coverage is stated as zero, and R&D capability with SDK availability is absent. Financial and sustainability records are referenced by year, but the supplied information does not provide assessable financial results or environmental/fire-drill status. Customer cases are not explicitly identified.

Supplier typeThe supplier is identified as a limited company and is part of a larger company group through affiliated companies. Its stated product scope centers on electrical power-distribution and switching equipment, including switchgear, substations, transformers, and circuit breakers.

After-Sales capabilityThe supplier reports no written procedures or followed records for service-capability assessment, corrective and preventive actions, or effective customer-complaint handling. Although it describes 24/7 cross-border communication support and states one-month lead times, overseas service coverage is listed as zero, so formal after-sales capability is not demonstrated.

R&D capabilityThe supplier reports no R&D capability with an available SDK. This is explicit evidence of a limitation in the stated innovation and software-development support, while no broader R&D evidence is provided.

Production capacityThe supplier lists assembly lines, copper-strip processing machinery, and welding robots, and offers a defined range of high- and low-voltage electrical products. It also reports three quality assurance and quality control inspectors and uniformly followed finished-product inspection instructions, supporting production and quality-control capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, and minor customization. Its company description also states solution customization as part of its foreign-trade services, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. However, no customer names, project details, product references, or verifiable case descriptions are supplied.

Product Q&A

Q:What is the warranty period for this transformer?

We provide a 3-year warranty for the product along with lifetime technical support.

Q:Is the rated voltage customizable?

Yes, the rated voltage ratio of 10kV / 0.22kV is customizable to fit your specific requirements.

Q:What are the main application scenarios for this transformer?

It is widely used for rural grids, urban street lighting, telecommunications base stations, highways, railways, and remote industrial sites like oil fields and mines.

Q:How does the transformer ensure safety and reliability?

It features a built-in pressure relief valve and a high-sensitivity gas relay, providing multiple layers of protection for both the equipment and the power grid.

Q:What standards does this transformer comply with?

The product is manufactured in strict compliance with international and domestic standards such as GB1094 and IEC60076.