What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Does the transformer come with a warranty?

The product is backed by ISO9001:2015 quality management certification and comprehensive quality inspections.

What is the cooling method used?

This transformer utilizes an oil-immersed cooling method with separated winding type.

33kVA 500 kVA Three Phase High Voltage Oil-Immersed Distribution Transformer

Name: 33kVA 500 kVA Three Phase High Voltage Oil-Immersed Distribution Transformer
Brand: Golden Triangle Electric Power Technology Co., Ltd.
SKU: 1956995171

Zhejiang, ChinaGolden Triangle Electric Power Technology Co., Ltd.

US$1,650.00

1 Piece

US$3,200.00

2 Pieces

US$4,800.00

3+ Pieces

Sample price:US$1650.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Instrument, Rectifier

Phase

Three

Model NO.

Core

Amorphous Alloy Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

High Frequency

Shape of Core

Ring

Connected Group Label

Dyn11, Yzn11, Yyn0

High Voltage

6, 6.3, 6.6, 10, 10.5, 11

Low Voltage

0.4

No Load Loss

33-860W

Tap Range

+-2*2.5, +-5

Item

Oil Type Distribution Electric Transformer

Product Feature

Transformer

Volts

30kv

Material

CRGO, Copper, Minral Oil

Color

Grey or Optional

Tank Design

Rectangle

Package

Wooden Case

Tap Changer

off Load Tap Changer

Connection Symbol

Dyn11 Yyn0

Iron Core

New Silicon Steel Sheet

Transport Package

Wooden Packed

Specification

Silicon steel Core

Trademark

Golden Triangle

Origin

China

Key features

Amorphous Alloy Core: Features amorphous alloy iron core for superior energy efficiency and low loss performance.

Multiple Voltage Options: Supports high voltage ranges from 6kV to 11kV with flexible tap ranges of +/-2.5% or +/-5%.

Customizable Color: Available in Grey or optional colors to meet specific project requirements.

OEM and ODM Services: Offers full customization, minor customization, and flexible customization from samples or designs.

Comprehensive Certifications: Certified with ISO9001:2015, ISO14001, ISO45001, CCC, and UL for quality and safety assurance.

High Frequency Performance: Designed with high frequency characteristics suitable for power, instrument, and rectifier applications.

Robust Tank Design: Constructed with a rectangular tank design for durability and efficient oil-immersed cooling.

100% Quality Inspection: Undergoes 100% visual and functional inspection for finished products before delivery.

Company profile

Patents AwardedFull CustomizationManagement Certification

Golden Triangle Electric Power Technology Co., Ltd.

Zhejiang, 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: 16 Yeaars CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.23h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing, customization, quality-management, and service capabilities. Evidence includes eight production lines, stated annual power-transformer output of 27,000 pieces, six quality inspectors, ISO9001, ISO14001, OHSAS18001, and CCC certifications, plus documented supplier-service procedures and corrective-action records. It offers sample, design, full, minor, and flexible customization, as well as OEM and ODM services and SDK availability. Overseas support includes debugging, maintenance, repair, training, and installation, but the supplier has no overseas warehouse, showroom, agents, or branches. Innovation evidence is mixed because it reports R&D capability but no new products in the past year. Financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier is a power-transformer manufacturer with eight production lines, stated output of 27,000 power-transformer pieces, in-stock capability, and valid manufacturing contracts with associated subcontractors. Its listed markets include South America, Africa, Southeast Asia, and the Middle East, supporting classification as an export-oriented manufacturer.

CertificationsThe company states that it holds ISO9001 quality-management, ISO14001 environmental-management, OHSAS18001 occupational-health-and-safety, and China CCC certifications, along with AAA and other credit-rating certifications. These explicitly support a positive certification assessment.

After-Sales capabilityThe supplier provides overseas debugging, maintenance, repair, training, and equipment installation, and has participated in Power Nigeria 2023. However, it reports no overseas warehouse, showroom, agent, or branch, which limits local service infrastructure but does not negate its stated service offerings.

Production capacityProduction evidence includes eight production lines, 27,000 power-transformer pieces of stated annual output, six quality inspectors, in-stock capability, valid subcontractor manufacturing contracts, and 76 qualified service-capability suppliers. The supplier also reports order fulfillment within 15 workdays in both peak and off-peak seasons.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides OEM and ODM services, indicating broad product-development and customization support.