How does the transformer ensure safety?

It incorporates a built-in pressure relief valve and a high-sensitivity gas relay for multiple layers of protection.

What is the cooling method used?

The transformer uses an ONAN (Oil-immersed self-cooling) method with a fully sealed oil-immersed structure.

25kVA Single Phase Oil Immersed Pole-Mounted Transformer (ISO 9001)

Name: 25kVA Single Phase Oil Immersed Pole-Mounted Transformer (ISO 9001)
Brand: Wenzhou Longqi Import and Export Co., Ltd.
SKU: 2146752192

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

High Efficiency Design: Uses cold-rolled silicon steel cores and oxygen-free copper windings to minimize energy losses.

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

Easy Pole-Mount Installation: Includes dedicated brackets for direct pole mounting without requiring civil engineering foundations.

Comprehensive Safety Protection: Built-in pressure relief valve and high-sensitivity gas relay ensure equipment and grid safety.

3-Year Warranty Coverage: Provides a 3-year warranty period plus lifetime technical support for all units.

Customizable Voltage Ratio: Rated voltage ratio of 10kV / 0.22kV is available for customization to meet specific needs.

International Certification: Manufactured in compliance with GB1094, IEC60076, ISO9001, and CCC standards.

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: ≤3.11hTerms 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.