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High-Efficiency Step Down Transformers for Global Industrial Use
US$2,000.00-20,000.00
1 Piece
Product profile
Customization
AvailableApplication
Power, ElectronicPhase
ThreeCore
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Two-winding TransformerCertification
ISO9001-2000, ISO9001Usage
Combined Transformer, Power Transformer, Distribution TransformerFrequency Characteristics
High FrequencyShape of Core
UBrand
ZhonghaoName
Step Down Oil Immersed Distribution TransformerCapacity
30~2500kVACapacity2
10kv, 20kv, 35kvLow Voltage
0.4kVACore Material
Silicon SteelInsulation Class
H-ClassWinding
Cooper/AluminumEnclosure
IP20/IP23Model
Sm-Nx1, Sm-Nx2, S11, S13, S11-M, S13-MTransport Package
Wooden BoxSpecification
80X120X120cmTrademark
zhonghaoOrigin
Jiangsu ChinaHS Code
85043490Production Capacity
5000PCS/YearKey features
High Efficiency Core Design: Constructed from high permeability magnetic grain oriented cold rolled silicon steel sheet with multi-stepped core section.
Excellent Heat Dissipation: Oil-immersed design ensures stable operation and effective heat dissipation for continuous industrial use.
Flexible Voltage Adjustment: Equipped with high-voltage winding taps and tap changer to adapt to different electricity needs.
Robust Safety Protection: Includes pressure relief valve for 30-2000kVA units; gas relay with alarm and trip terminal available.
Customizable Branding: Custom branding option available for neutral white boxes and brown cartons packaging.
Wide Capacity Range: Available in capacities from 30kVA to 2500kVA with voltage combinations of 10kV, 20kV, and 35kV.
Rigorous Quality Testing: 100% testing before delivery to ensure reliable power distribution and long-term customer relationships.
ISO9001 Certified: Manufacturing adheres to ISO9000 quality certification system standards for consistent product quality.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2019-01-01Nearest Port: shanghai, qingdao, lianyungangAverage Response Time: ≤1.52hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP
AI-Powered supplier vetting
SummaryThe supplier operates in power electronics, photovoltaic equipment, electronic equipment, furnaces, and related industrial equipment. It reports broad customization capability, OEM service for well-known brands, quality assurance, raw-material traceability, inventory capacity, and valid manufacturing-capacity contracts with associated subcontractors. It states that it holds ISO9001 certification and follows identified technical standards. However, several service-control procedures have no written records, overseas service infrastructure is absent, the supplier has only one year of export experience, and no SDK is available. Financial information is represented only by years rather than substantive financial results, so financial credibility cannot be determined from the provided evidence. Customer references or specific customer cases are not provided.
Supplier typeThe stated business scope covers wholesale of components, power electronic components, electronic special equipment, photovoltaic equipment and components, metal-forming machine tools, ovens, furnaces, electric furnaces, and gas/liquid separation and purification equipment. This identifies the supplier as a diversified industrial equipment and components supplier rather than a narrowly specialized provider.
CertificationsThe company states that it was the first among its peers to obtain ISO9001 quality system certification and that its Zhonghao-brand power transformer meets national and provincial technical requirements. These statements provide explicit evidence of certification and standards alignment, although no certificate number or validity period is supplied.
Production capacityThe supplier reports broad design/customization services, in-stock capacity, valid manufacturing-capacity contracts with each associated subcontractor, and a quality-assurance and traceability system. Peak- and off-season lead times are both stated as one month, but service-capability supplier qualification is supported by only one qualified supplier and several procedures lack records.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides OEM services for well-known brands. These statements directly support broad customization capability.
Product Q&A
Q:What is the capacity range of the transformer?
A:
The transformer is available in a wide capacity range from 30kVA to 2500kVA.
Q:Can the transformer voltage be adjusted?
A:
Yes, it features high-voltage winding taps and a tap changer for easy voltage adjustment.
Q:What safety devices are included?
A:
Units from 30-2000kVA include a pressure relief valve, and a gas relay with alarm and trip terminal can be added.
Q:Is custom branding available?
A:
Yes, custom branding options are available for packaging.
Q:How long is the delivery time?
A:
Lead time is within 15 workdays during off-peak season and one month during peak season.
Send Inquiry
*To:
Global Power Equipment (Xuzhou) Co., Ltd.
Global Power Equipment (Xuzhou) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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