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High-Efficiency UL Certified Three Phase Oil Transformer for Industrial Use
US$1,200.00-9,800.00
1 Set
Product profile
Customization
AvailableApplication
PowerPhase
ThreeModel NO.
Distribution TransformerCore
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001-2000, ISO9001, CCCUsage
Power TransformerFrequency Characteristics
Power FrequencyShape of Core
RingBrand
YaweiModel No.
S(F)Sz9, S(F)Sz10, S(F)Sz11Winding Material
Copper/AluminumInput Voltage
10kv, 11kv, 15kv, 22kv, 30kvOutput Voltage
380V, 400VFrequency
50/60HzVector Group
Dyn11/Yyn0/Yzn11Rated Primary Voltage
11Rated Secondary Voltage
0.38Transport Package
Wooden CaseSpecification
as per designTrademark
YaWei electricOrigin
ChinaHS Code
850423110Production Capacity
30sets/MonthsKey features
UL Certification: Certified for high-efficiency industrial use with UL standards.
ISO9001 Quality: Manufactured under ISO9001-2000 and ISO9001 quality management systems.
CCC Certification: Complies with China Compulsory Certification (CCC) standards.
Oil Immersed Cooling: Utilizes oil-immersed type cooling for excellent heat dissipation.
Multi-winding Design: Features multi-winding transformer structure for versatile applications.
Superior Insulation: Engineered with superior insulation performance for reliability.
Long Lifespan: Designed for long lifespan and high reliability in harsh environments.
Noise Reduction: Incorporates noise reduction models for quieter operation.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-03-08 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.97h CertifiedTerms of Payment: T/T
AI-Powered supplier vetting
SummaryJiangsu Yawei Electric Group Co., Ltd. is a limited company producing distribution transformers, power transformers, and dry-type transformers, with 1,102 employees, more than 10 production lines, and reported transformer output of 5,000 pieces. It has ISO 9001:2015, CE, Jiangsu measurement certification, and IEC-related product certification evidence. The supplier demonstrates broad customization, ODM and OEM capabilities, recent product development, quality-control procedures, complaint handling, and corrective-action mechanisms. Its products are sold domestically and exported to several countries, but the available data also shows no inventory, overseas warehouses, overseas showrooms, overseas agents or branches, and no valid manufacturing-capacity contract with associated subcontractors. Financial credibility cannot be assessed because only reporting years are provided, without financial results. Customer evidence is limited to OEM service for known brands and export-market coverage.
Supplier typeThe supplier is identified as Jiangsu Yawei Electric Group Co., Ltd., a limited company and part of a larger group. Its stated product scope is distribution transformers, power transformers, and dry-type transformers.
CertificationsThe supplier reports ISO 9001:2015, CE, Jiangsu enterprise measurement certification, and IEC certification for specified transformer and substation products. A BV audit record is also shown with a stated validity period from April 24, 2026 to April 23, 2027, although the audit evaluation result is recorded as 0 without an explanatory interpretation.
R&D capabilityThe supplier reports new products in the past year, ODM services, technical development and technology-transfer activities, and eight years of total R&D-engineer experience. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the broader evidence of product-development capability.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM services and OEM services for well-known brands, providing direct evidence of broad customization and contract-manufacturing capability.
Product Q&A
Q:What certifications does the transformer have?
A:
The transformer is UL certified, ISO9001-2000 certified, ISO9001 certified, and CCC certified.
Q:What is the cooling method used?
A:
It uses an oil-immersed type cooling method for excellent heat dissipation.
Q:What are the available input voltage options?
A:
Input voltages include 10kv, 11kv, 15kv, 22kv, and 30kv.
Q:What winding materials are available?
A:
Customers can choose between Copper or Aluminum winding materials.
Q:What is the rated capacity range?
A:
The rated capacity ranges from 30 kVA to 2500 kVA.
Send Inquiry
*To:
Jiangsu Yawei Electric Group Co., Ltd.
Jiangsu Yawei Electric Group Co., Ltd.*Content:
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