Is it suitable for outdoor installation?

Yes. It is designed for pole-mounted (overhead) outdoor installation, with a weather-resistant grey steel tank and porcelain bushings.

What is the frequency?

Available in 50Hz or 60Hz, depending on the target market.

What type of insulating fluid is used?

Standard mineral insulating oil, with optional FR3 fluid (fire-resistant, biodegradable) for enhanced safety and environmental protection.

What is the application of this transformer?

It is widely used in residential areas, commercial buildings, and light industrial facilities for reliable power distribution.

Can it be customized?

Yes. Voltage ratings, winding material, insulating fluid, frequency, and other specifications can be customized upon request.

Yifa 25 kVA Single-Phase Overhead Distribution Transformer

Name: Yifa 25 kVA Single-Phase Overhead Distribution Transformer
Brand: Yifa Holding Group Co., Ltd.
SKU: 2191842242

Zhejiang, ChinaYifa Holding Group Co., Ltd.

US$500.00-2,000.00

5 Pieces

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting

Phase

Single

Model NO.

Single Phase

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Concentric Winding

Certification

ISO9001-2000, ISO9001, UL

Usage

Single-phase Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Yifa

Rated Capacity

5-167kVA

Insulation Medium

Insulating Oil (Oil-Immersed)

Winding Material

Copper

High-Voltage Bushing

Porcelain Bushing × 2 (Top-Mounted)

Low-Voltage Terminals

X1, X2, X3 (Side-Mounted)

Frequency

50Hz / 60Hz

Primary Voltage

11kv / 13.8kv / 20kv (Optional)

Secondary Voltage

120V / 240V

Tank Material

Steel, Grey Painted Finish

Tank Shape

Cylindrical

Mounting Type

Pole-Mounted (Overhead)

Standards

ANSI / NEMA / DOE

Transport Package

Wooden Box

Trademark

YIFA

Origin

China

Production Capacity

50000PCS/Year

Key features

Pole-Mounted Outdoor Design: Specifically engineered for overhead utility installation and harsh weather exposure

ONAN Cooling System: Oil Natural Air Natural cooling ensures stable temperatures and extended service life

Heavy-Duty Grey Steel Tank: Corrosion-resistant cylindrical enclosure with bolted cover for secure sealing and easy maintenance

High-Voltage Porcelain Bushings: Two large top-mounted insulators for reliable, weatherproof HV connections

Flexible Low-Voltage Terminals (X1/X2/X3) : Multiple secondary taps for easy voltage configuration and versatile output

High Efficiency Interlaced Core: Superior resistance to voltage surges with reduced energy losses

Company profile

Yifa Holding Group Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-12-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤7.23h CertifiedTerms of Payment: LC, T/T

About Our Factory & Business Background

AddressQiaoqian Industrial Zone, Liushi, Yueqing City, Wenzhou, Zhejiang, China

Plant Area800 square meters

Number of Employees148

Registered Capital101,600,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPower Transformer, HV and LV Complete Sets of Power Substations, LV Electrical Equipment

Production MachinesAging Facility, Calibration Table, Laser Marking Facility, Pad Printing Facility, Residual Current Protector Tester

R&D Engineers10 people

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2000-02-25

Main MarketsSoutheast Asia/ Mideast, Africa, Domestic

Number of Foreign Trading Staff6

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Product CertificationCCC, Others

Product Q&A

Q:What is the rated capacity of this transformer?

The rated capacity is 5-167KVA, suitable for residential, commercial, and light industrial power distribution.

Q:Is this transformer single-phase or three-phase?

It is a single-phase distribution transformer.

Q:What is the cooling method?

It uses ONAN (Oil Natural Air Natural) cooling, ensuring stable operation and extended service life.

Q:What are the primary and secondary voltage ratings?

Primary voltage options include 11kV / 13.8kV / 20kV. Secondary voltage is configurable via X1, X2, X3 terminals, typically 120V / 240V.

Q:What type of winding is used?

It adopts a concentric cylindrical winding structure, with the low-voltage winding on the inner layer and the high-voltage winding on the outer layer.